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3xjbqr | What causes the compulsion to frequently check social media? | [removed] | askscience | {
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cakca3 | Do other Great apes pee holding their penises with their hands or is that just humans? | askscience | {
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ck9p42 | Is there evidence that animals can have fun? | Playing with my dog, he seems to be having fun. Is this fun as humans feel it or is it just a dogs instinct to be part of the pack? | askscience | {
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44hdkc | Are memories raster or vector? | To clarify, are visual memories low-level descriptions of experiences derived more or less directly from sense data, or are they higher-level 'statements' from which the brain constructs mental images? | askscience | {
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2i3fsf | What is scientifically the most filling/satiating food to eat before a fast? | askscience | {
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bnbz69 | In capillary effect: where do liquids take the energy from to "climb up" objects? | We asked our physics teacher this question and he didn't know the answear nor could anyone figure it out. I'm really curious about this topic since and couldn't find the answear anywhere on the Internet. | askscience | {
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60nknp | Why do p-values in statistical tests have a cut-off point of 0.05? | askscience | {
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8tpl4i | AskScience AMA Series: I'm Andrew Revkin, the strategic advisor for environmental and science journalism at the National Geographic Society-AMA! | Hi, my name's Andrew Revkin and I've been writing about global environmental change and risk for more than 30 years. I've reported from all kinds of places, including the North Pole, the White House, the Amazon, and the Vatican. Before becoming a strategic advisor at the National Geographic Society, I worked at the non... | askscience | {
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} | AskScience AMA Series: I'm Andrew Revkin, the strategic advisor for environmental and science journalism at the National Geographic Society-AMA!
Hi, my name's Andrew Revkin and I've been writing about global environmental change and risk for more than 30 years. I've reported from all kinds of places, including the Nort... | [
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6scyqw | Is it actually possible to see the curvature of the earth while standing on its surface? | I hear many people say at various times that some area is so flat they can see the earth's curvature. Isn't the earth too big for that? Wouldn't any "curvature" observed just be a localized landscape that doesn't actually represent the earths profile? | askscience | {
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xmcpx | What happens to a glass of water when you leave it standing? | I know that water doesn't really go "off" in the same way protein items would.
But if you leave it standing, the taste does change. What is happening, scientifically speaking? | askscience | {
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I know that water doesn't really go "off" in the same way protein items would. But if you leave it standing, the taste does change. What is happening, scientifically speaking? | [
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1201dz | Which animals, other than humans, use recreational substances, and why? | I'm thinking along the lines of felines using catnip, but that's really the only example I can think of. I was just interested because I know that many humans use alcohol or drugs for myriad reasons, be it because they're depressed or using it as a substitute for something else, or just because they want to get loose. ... | askscience | {
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I'm thinking along the lines of felines using catnip, but that's really the only example I can think of. I was just interested because I know that many humans use alcohol or drugs for myriad reasons, be it because they're depressed or using it as a... | [
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1bsuar | What effects would castration have on a man's body? | askscience | {
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8vhr0k | AskScience AMA Series: I'm Kevin Esvelt, head of the Sculpting Evolution group at the MIT Media Lab and an inventor of CRISPR gene drive - AMA! | Hi, my name's Kevin Esvelt and I'm a scientist working on molecular, evolutionary, and ecological engineering. I played a very minor role in developing CRISPR genome editing and was evidently the first to realize it could be used to build gene drive systems capable of engineering populations of wild organisms.
If you ... | askscience | {
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} | AskScience AMA Series: I'm Kevin Esvelt, head of the Sculpting Evolution group at the MIT Media Lab and an inventor of CRISPR gene drive - AMA!
Hi, my name's Kevin Esvelt and I'm a scientist working on molecular, evolutionary, and ecological engineering. I played a very minor role in developing CRISPR genome editing an... | [
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2vissm | Does laying down put back pressure on the kidneys? | Are the ureters just hollow tubes? If so, shouldn't a horizontal or inverted position cause urine to flow backwards and reduce the blood filtration rate. | askscience | {
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mndns | What is "energy," really? | So there's this concept called "energy" that made sense the very first few times I encountered physics. Electricity, heat, kinetic movement–all different forms of the same thing. But the more I get into physics, the more I realize that I don't understand the concept of energy, really. Specifically, how kinetic energy i... | askscience | {
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So there's this concept called "energy" that made sense the very first few times I encountered physics. Electricity, heat, kinetic movement–all different forms of the same thing. But the more I get into physics, the more I realize that I don't understand the concept of energy, really. Specific... | [
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1dsz6j | Life of an electron inside an electric circuit? | It is said that electrons move inside the circuit. Could you explain the actual movement of a typical electron inside a wire on DC (or AC) circuit? What happens when the voltage (V) is increase? What about current (I)?
Thank you :) | askscience | {
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It is said that electrons move inside the circuit. Could you explain the actual movement of a typical electron inside a wire on DC (or AC) circuit? What happens when the voltage (V) is increase? What about current (I)? Thank you :) | [
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k5dev | Is there such thing as being 'heavy boned?' or is that just a fat excuse? | Edit..
Aside from the fat side of it. A couple of times when I have told someone my weight they seem surprised. I weigh about 105k or 16 stones 8 pounds but they seem to usually think I would weigh 2-3 stones or 13- 20 kg **less**, never do they estimate above.
I was thinking perhaps that different bones perhaps ha... | askscience | {
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"text": [
"Being \"big boned\" is a colloquial term that covers several possible meanings.\n\nFirst, what it doesn't mean. Bones do not significantly vary in density from person to person. By... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://www.creighton.edu/irm/features/archives/featurecreightonresearchmayleadtoosteoporosiscure/index.php",
"http://www.sciencedirect.com/science/article/pii/S002192900400507X"
]
} | Is there such thing as being 'heavy boned?' or is that just a fat excuse?
Edit.. Aside from the fat side of it. A couple of times when I have told someone my weight they seem surprised. I weigh about 105k or 16 stones 8 pounds but they seem to usually think I would weigh 2-3 stones or 13- 20 kg **less**, never do they ... | [
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1uvc57 | What will the calendars for Mars colonists be like? | askscience | {
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"There are a couple of issues in creating a Martian timekeeping system. First, the Martian day is not the same as Earth. It's about 40 minutes longer. It would be most natural for colonists to simply adopt the Martian day, but... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://m.space.com/5668-living-mars-time-scientists-suffer-perpetual-jet-lag.html",
"http://www.universetoday.com/14718/how-long-is-a-year-on-mars/",
"http://en.wikipedia.org/wiki/Darian_calendar",
"http://en.wikipedia.org/wiki/Timekeeping_on_Mars"
]
} | What will the calendars for Mars colonists be like?
| [
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1i1pc3 | Money is no object to me, and I've decided I want to take a trip to the moon. How much would this cost me today? | askscience | {
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"http://www.popularmechanics.com/science/space/rockets/just-one-150-million-seat-remains-on-space... | Money is no object to me, and I've decided I want to take a trip to the moon. How much would this cost me today?
| [
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3l5u68 | AskScience AMA Series: We’re Hannah Morris and Becca Peixotto, two of six “slender spelunkers” who excavated 1,500 individual hominin bone fragments deep in a South African cave over the course of 21 days, Ask Us Anything! | Hannah Morris and Becca Peixotto are two of six scientists comprising the Advance Science Team on the [Rising Star Expedition](_URL_3_), led by paleoanthropologist and National Geographic explorer-in-residence Lee Berger. This group of scientists [published a study](_URL_1_) in the journal eLife last Thursday reporting... | askscience | {
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"https://en.wikipedia.org/wiki/Sarlacc",
"http://news.nationalgeographic.co... | AskScience AMA Series: We’re Hannah Morris and Becca Peixotto, two of six “slender spelunkers” who excavated 1,500 individual hominin bone fragments deep in a South African cave over the course of 21 days, Ask Us Anything!
Hannah Morris and Becca Peixotto are two of six scientists comprising the Advance Science Team on... | [
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knmku | I typically like to refill an empty Gatorade bottle with water over and over again, however, I've had people tell me this is not a good idea. Are they right? | Pretty much I just take a gatorade bottle and refill it with water (britta filter, water fountain, whatever). But some people keep saying it's bad for a variety of reasons, the biggest being that the plastic dissolves in the water, and it's bad to drink. Is there any legitimacy to this claim? | askscience | {
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} | {
"url": [
"http://en.wikipedia.org/wiki/Bisphenol_A"
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} | I typically like to refill an empty Gatorade bottle with water over and over again, however, I've had people tell me this is not a good idea. Are they right?
Pretty much I just take a gatorade bottle and refill it with water (britta filter, water fountain, whatever). But some people keep saying it's bad for a variety o... | [
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lckeb | What happens when you get a burst of rage? | After seeing [this](_URL_0_) video I've got some questions.
- What happens chemically to your brain?
- Are you fully aware of what are you doing?
- Seems like you can stop what you are doing, but you just don't want to. Is that correct? | askscience | {
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"url": [
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]
} | {
"url": [
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"http://en.wikipedia.org/wiki/Prefrontal_cortex",
"http://www.youtube.com/watch?v=-hoo_dIOP8k&feature=player_embedded#"
]
} | What happens when you get a burst of rage?
After seeing [this](_URL_0_) video I've got some questions. - What happens chemically to your brain? - Are you fully aware of what are you doing? - Seems like you can stop what you are doing, but you just don't want to. Is that correct? | [
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1ms3nr | How does docking really work? | I love astronomy, but docking puzzles me. I know that you line up the docking ports with RCS, and then they end up pressed together, but what actually locks them in place? Are there a bunch of tiny magnets (which seems a bit impractical to me considering that magnets tend to screw up computers), or are some other mecha... | askscience | {
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"http://spacecraft.ssl.umd.edu/design_lib/ICES01-2435.ISS_CBM.pdf"
]
} | How does docking really work?
I love astronomy, but docking puzzles me. I know that you line up the docking ports with RCS, and then they end up pressed together, but what actually locks them in place? Are there a bunch of tiny magnets (which seems a bit impractical to me considering that magnets tend to screw up compu... | [
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10rhde | What is this strange stuff growing on my lawn? | I live in the northeast US and every once in a while, I get these small patches on my lawn covered in [this.](_URL_0_) Is it a fungus? I get yellow patches and black patches. | askscience | {
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"text": [
"This is called [slime mold](_URL_1_), which is actually a protist (like algae), not a fungus.\n\n[Here's a link to a GIS search for \"slime mold grass\"](_URL_0_). \n\nIt is not harmful to your lawn, as you can see by the healthy look of th... | {
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} | {
"url": [
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} | {
"url": [
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"http://en.wikipedia.org/wiki/Slime_mold",
"http://www.youtube.com/watch?v=bkVhLJLG7... | What is this strange stuff growing on my lawn?
I live in the northeast US and every once in a while, I get these small patches on my lawn covered in [this.](_URL_0_) Is it a fungus? I get yellow patches and black patches. | [
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14fxrg | How true is it that cell phones can cause infertility if left near a man's testicles for an extended period of time? | Along with that, if true, how long would it generally take for you to become infertile? What about more than one phone? | askscience | {
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"url": []
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"url": [
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"http://onlinelibrary.wiley.com/doi/10.1002/bem.10083/abstract",
"http://informahealthcare.com/doi/abs/10.1080/014850190924520",
"http://www.sciencedirect.com/science/article/pii/S00150... | How true is it that cell phones can cause infertility if left near a man's testicles for an extended period of time?
Along with that, if true, how long would it generally take for you to become infertile? What about more than one phone? | [
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1wt174 | Which chromosome has the DNA for creating a heart? | I know that our DNA is split up into chunks called chromosomes and that in them are genes which tell cells how to assemble proteins. However, I am completely confused by some stuff. The instructions for making a heart must be there somewhere. 4 chambers, nerves, valves. Do we know where this information is? If so, w... | askscience | {
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"http://www.ncbi.nlm.nih.gov/gene/4624",
"http://www.ncbi.nlm.nih.gov/gene/4205",
"http:... | Which chromosome has the DNA for creating a heart?
I know that our DNA is split up into chunks called chromosomes and that in them are genes which tell cells how to assemble proteins. However, I am completely confused by some stuff. The instructions for making a heart must be there somewhere. 4 chambers, nerves, valves... | [
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45kjkh | Is there a point when children become sentient? Like, is it just a sudden "I exist", or is it more of a gradual thing? | askscience | {
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"Once the can look into a mirror and realize that it isn't another child, but it is themselves. I'd say this is the closest realization to what you're trying to figure out. This is the self-awareness stage. \n\nLev Vygotsky:\n\n\nStage 1 - D... | {
"url": []
} | {
"url": []
} | {
"url": [
"https://en.wikipedia.org/wiki/Infant_cognitive_development",
"https://en.wikipedia.org/wiki/Self-awareness"
]
} | Is there a point when children become sentient? Like, is it just a sudden "I exist", or is it more of a gradual thing?
| [
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49yu8n | How do things tie themselves up? | Headphones / fibres / myself, how does it all just randomly tie itself up when left alone?
Like [this](_URL_0_)
Edit: I always fuck up the link brackets. | askscience | {
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"There was a [recent paper](_URL_0_) in the journal PNAS that looked at exactly this questi... | {
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} | {
"url": [
"https://www.reddit.com/r/mildlyinteresting/comments/48lm8c/a_fiber_from_my_lab_coat_fell_in_my_sample_this/"
]
} | {
"url": [
"http://www.pnas.org/content/104/42/16432.long",
"http://i.imgur.com/CXSlaqG.jpg",
"http://i.imgur.com/Ptfasn5.jpg",
"https://en.wikipedia.org/wiki/Knot_theory",
"https://www.youtube.com/watch?v=NfLu7GRMR7g",
"https://www.youtube.com/watch?v=0yPcJD7RVuY",
"http://www.pnas.org/co... | How do things tie themselves up?
Headphones / fibres / myself, how does it all just randomly tie itself up when left alone? Like [this](_URL_0_) Edit: I always fuck up the link brackets. | [
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kvbwo | How are objects pushed to the outside of a centrafuge if they are not connected to it? | Think of a spacecraft that uses rotation to simulate gravity. How is the outward force transmitted to people and objects currently floating at 0g. Wouldn't the spacecraft just rotate around them since they are not connected to it? | askscience | {
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"An object has to be touching the centrifuge in some way to feel the outward force, so yes, if you were in a rotating spacecraft, one form of entertainment would be to try to get away from the interior surface in such a way th... | {
"url": []
} | {
"url": []
} | {
"url": []
} | How are objects pushed to the outside of a centrafuge if they are not connected to it?
Think of a spacecraft that uses rotation to simulate gravity. How is the outward force transmitted to people and objects currently floating at 0g. Wouldn't the spacecraft just rotate around them since they are not connected to it? | [
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6yxkd7 | Why does the intensity of all electromagnetic waves dissipate at the same rate, 1/r^2? | [deleted] | askscience | {
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"url": [
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} | Why does the intensity of all electromagnetic waves dissipate at the same rate, 1/r^2?
[deleted] | [
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3xp0wj | Can someone explain how this Chimp can do this? | This question is in refrence to this short video here. _URL_0_
I'm just wondering does this chimp have a sort of "photographic memory" or can just complete this task better than the majority of mankind because of something else? | askscience | {
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"TL;DR: Chimp brains have evolved to be efficient at resource association and spatial recall. \n\n\nThis appears to be re-purposed [divergent spatial memory](_URL_0_). \n\n\n > We first compared memory in a natu... | {
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} | {
"url": [
"http://www.academia.edu/2072224/Chimpanzees_and_bonobos_exhibit_divergent_spatial_memory_development",
"http://www.theguardian.com/science/2007/dec/04/animalbehaviour.evolution",
"http://www.pereanu.com/apequiz"
]
} | Can someone explain how this Chimp can do this?
This question is in refrence to this short video here. _URL_0_ I'm just wondering does this chimp have a sort of "photographic memory" or can just complete this task better than the majority of mankind because of something else? | [
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3ef7ed | Kepler 452b: Earth's Bigger, Older Cousin Megathread—Ask your questions here! | Here's some official material on the announcement:
* NASA Briefing materials: _URL_0_
* Jenkins et al. [DISCOVERY AND VALIDATION OF Kepler-452b: A 1.6-R⊕ SUPER EARTH EXOPLANET IN THE
HABITABLE ZONE OF A G2 STAR](_URL_1_). The Astronomical Journal, 2015.
* Non-technical article: _URL_4_
* _URL_3_
* _URL_2_ ... | askscience | {
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]
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"url": [
"http://i.imgur.com/OO9T7Sh.jpg"
]
} | Kepler 452b: Earth's Bigger, Older Cousin Megathread—Ask your questions here!
Here's some official material on the announcement: * NASA Briefing materials: _URL_0_ * Jenkins et al. [DISCOVERY AND VALIDATION OF Kepler-452b: A 1.6-R⊕ SUPER EARTH EXOPLANET IN THE HABITABLE ZONE OF A G2 STAR](_URL_1_). The Astronomical Jou... | [
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443e6o | Could we create a metric time system that would work similar to days and years? | A joke on [The Simpsons](_URL_0_) talks about how the geniuses in Springfield got the trains running so efficiently that they even run on metric time. Is something like that possible? | askscience | {
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"Sure, why not? There's no universal law that dictates what our units should be. One could say that a day is to be subdivided in 100,000 \"seconds\", with 100 \"seconds\" making up 1 \"minute\", 100 \"minutes\" making up an \"hour\" and ther... | {
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"url": []
} | Could we create a metric time system that would work similar to days and years?
A joke on [The Simpsons](_URL_0_) talks about how the geniuses in Springfield got the trains running so efficiently that they even run on metric time. Is something like that possible? | [
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19kzlb | Mario Kart mathematics - question from a layman | Hello,
while playing Mario Kart yesterday I had an idea looking at the scoreboard at the end of a grand prix: Can we, mathematically, find out, which player scored which position how many times?
For those not into Mario Kart: 8 players race against each other on 4 tracks, scoring points dependent on their position a... | askscience | {
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"No.\n\nFor example, a player who placed second twice and fifth twice would have the same score as a person who placed third four times.\n\n[edit] My statement is perhaps too strong. For example, if a third player got 40 point... | {
"url": []
} | {
"url": []
} | {
"url": []
} | Mario Kart mathematics - question from a layman
Hello, while playing Mario Kart yesterday I had an idea looking at the scoreboard at the end of a grand prix: Can we, mathematically, find out, which player scored which position how many times? For those not into Mario Kart: 8 players race against each other on 4 tracks,... | [
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n51zo | What is the best food to eat in anticipation of a night out drinking? | There is a lot of hearsay about eating certain foods to slow alcohol absorption into your blood. Is there any truth to this, and if so, which foods are the best to eat?
Thanks! | askscience | {
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"Logged in to comment.\n\nIn short, the best foods to eat are proteins which will persist in your stomach while you are drinking thus allowing the enzyme alcohol dehydrogenase to ox... | {
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} | {
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} | {
"url": [
"http://www.plosone.org/article/info%3Adoi/10.1371/journal.pone.0025878"
]
} | What is the best food to eat in anticipation of a night out drinking?
There is a lot of hearsay about eating certain foods to slow alcohol absorption into your blood. Is there any truth to this, and if so, which foods are the best to eat? Thanks! | [
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3dypw1 | How is it possible that this guy is launched to a higher height than the other guy jumped from? (Image link inside) | Image is from the world record blob launching _URL_0_ | askscience | {
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} | How is it possible that this guy is launched to a higher height than the other guy jumped from? (Image link inside)
Image is from the world record blob launching _URL_0_ | [
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3ogz3m | If you are drawing straws as a group of 6 when is the optimal time to draw? | To me it seems like you wouldn't want to draw first because there is only a 1 in 6 chance you will draw the correct straw. But if you draw last there is a 5 in 6 chance the correct straw has already been drawn. | askscience | {
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"url": []
} | If you are drawing straws as a group of 6 when is the optimal time to draw?
To me it seems like you wouldn't want to draw first because there is only a 1 in 6 chance you will draw the correct straw. But if you draw last there is a 5 in 6 chance the correct straw has already been drawn. | [
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7y0ssa | Would it be theoretically possible to trap light with a strong enough set of magnets/electromagnets? | I have heard of ideas like mirror boxes, but those wouldn't be very efficient, as light would slowly "Degrade(?)" as it loses energy when it bounces. I also know that light is sort of a particle and sort of an electromagnetic wave. Would it be theoretically possible to create a device that could hold light indefinitely... | askscience | {
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"url": []
} | {
"url": [
"https://en.wikipedia.org/wiki/Two-photon_physics"
]
} | Would it be theoretically possible to trap light with a strong enough set of magnets/electromagnets?
I have heard of ideas like mirror boxes, but those wouldn't be very efficient, as light would slowly "Degrade(?)" as it loses energy when it bounces. I also know that light is sort of a particle and sort of an electroma... | [
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b9rgup | Does launching projectiles significantly alter the orbit of Hayabusa2? | I saw the news today that the Hayabusa2 spacecraft launched a second copper "cannonball" at the Ryugu asteroid. What kind of impact does this have on its ability to orbit the asteroid? The 2kg impactor was launched at 2km/s, this seems like it would produce a significant amount of thrust which would push the spacecraft... | askscience | {
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"url": []
} | {
"url": [
"https://www.cnet.com/news/japan-is-about-to-bomb-an-asteroid-and-you-can-watch-here/"
]
} | {
"url": [
"https://spaceflightnow.com/2019/04/05/hayabusa-2-sci-operation/",
"https://spaceflightnow.com/2019/04/05/hayabusa-2-sci-operation/",
"https://spaceflightnow.com/2019/04/05/hayabusa-2-sci-operation/",
"https://en.wikipedia.org/wiki/Hayabusa2",
"https://en.wikipedia.org/wiki/25143_Itokaw... | Does launching projectiles significantly alter the orbit of Hayabusa2?
I saw the news today that the Hayabusa2 spacecraft launched a second copper "cannonball" at the Ryugu asteroid. What kind of impact does this have on its ability to orbit the asteroid? The 2kg impactor was launched at 2km/s, this seems like it would... | [
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5xaz34 | Do quantum mechanical effects have any physiological consequences for how our brains work? | askscience | {
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"https://www.ucl.ac.uk/news/news-articles/0114/090114-Quantum-mechanics-explains-efficiency-of-photosynthesis",
"https://www.... | Do quantum mechanical effects have any physiological consequences for how our brains work?
| [
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logxy | Psychology behind asking googlable questions | This isn't particularly limited to /r/askscience, but a tendency I have seen all over the internet on various forums. Much too often do people ask questions which is even googlable, copy-pasting the exact text of the question. The question is also usually answered by someone copypasting directly from one of the top goo... | askscience | {
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"I don't think there's any deep psychological basis towards this tendency. Users who commonly tell others to google an answer are generally quite familiar with using google to answer any questions they may have, but forget tha... | {
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"url": []
} | {
"url": [
"http://www.reddit.com/r/askscience/comments/hhuv9/lets_hear_it_from_the_psychologists_why_do_people/"
]
} | Psychology behind asking googlable questions
This isn't particularly limited to /r/askscience, but a tendency I have seen all over the internet on various forums. Much too often do people ask questions which is even googlable, copy-pasting the exact text of the question. The question is also usually answered by someone... | [
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5xju1g | What happens when we run out of space on the radio frequency spectrum(s)? | askscience | {
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"https://en.wikipedia.org/wiki/MIMO",
"https://www.fcc.gov/ecfs/"
]
} | What happens when we run out of space on the radio frequency spectrum(s)?
| [
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oxgh5 | Could FTL neutrinos be used for extraterrestrial communication? | I would like to expand more on my questions than my greatly simplified title. I am going to make a few (gigantic) assumptions to further approach these questions:
1) The OPERA CNGS experiment was not inherently flawed, and could be reproduced with the same results.
2) Neutrinos are capable of faster-than-light veloci... | askscience | {
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"text": [
"Even accepting assumptions 1 & 2, there may be some issue with 3 & 4. \n\nIn the paper about the Opera experiment (_URL_0_), they looked into energy effects on neutrino speed a little, analysing both the entire event history, as well as s... | {
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"url": []
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"url": [
"http://arxiv.org/abs/1109.4897",
"http://www.sns.ias.edu/~jnb/Papers/Popular/Scientificamerican69/scientificamerican69.html"
]
} | Could FTL neutrinos be used for extraterrestrial communication?
I would like to expand more on my questions than my greatly simplified title. I am going to make a few (gigantic) assumptions to further approach these questions: 1) The OPERA CNGS experiment was not inherently flawed, and could be reproduced with the same... | [
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7hh2gv | How can migranes hurt if you have no pain receptors in your Brain? | I have heard from several sources, including my Biology Teacher, that the brain lacks pain receptors, even going so far that you could perform brain surgery on a patient without anesthetics.
I have also read on Wikipedia, that often, migrane is caused by an arthery in your brain expanding to a certain degree (which se... | askscience | {
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"url": []
} | How can migranes hurt if you have no pain receptors in your Brain?
I have heard from several sources, including my Biology Teacher, that the brain lacks pain receptors, even going so far that you could perform brain surgery on a patient without anesthetics. I have also read on Wikipedia, that often, migrane is caused b... | [
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4i4y4q | We are paleontologists who study fossils from an incredible site in Texas called the Arlington Archosaur Site. Ask us anything! | Hi Reddit, we are paleontologists **Chris Noto** and **Stephanie Drumheller-Horton**.
**From Dr. Noto:** I been fascinated by ancient life for as long as I can remember. At heart I am a paleoecologist, interested in fossil organisms as once living things inhabiting and interacting with each other and their environmen... | askscience | {
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"url": [
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]
} | {
"url": [
"http://www.nyconthecheap.com/wp-content/uploads/2016/01/Titanosaur.jpg"
]
} | We are paleontologists who study fossils from an incredible site in Texas called the Arlington Archosaur Site. Ask us anything!
Hi Reddit, we are paleontologists **Chris Noto** and **Stephanie Drumheller-Horton**. **From Dr. Noto:** I been fascinated by ancient life for as long as I can remember. At heart I am a paleoe... | [
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2vuxlo | Is it possible to cold weld the repelling ends of magnets together? If so, would their magnetic fields align? | askscience | {
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"text": [
"Magnetic fields are due to the spin of electrons within the magnet. Placing two magnets together would not change the spin of the electrons, so the magnetic fields would not align.\n\nHowever, over a long enough period of time, if you keep... | {
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} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Magnetic_domain"
]
} | Is it possible to cold weld the repelling ends of magnets together? If so, would their magnetic fields align?
| [
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13050k | How do TV test screens 'test'? What are they used for? | What do they do? What are they meant to test?
[Example](_URL_0_)
| askscience | {
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"I love test patterns!\n\nThis specific one is a Philips Circle, heaps of others exist, and all serve various combinations of purposes. They were basically a set of reference cards, so various checks could be performed all along the signal c... | {
"url": []
} | {
"url": [
"http://imgur.com/dhnLO"
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"url": []
} | How do TV test screens 'test'? What are they used for?
What do they do? What are they meant to test? [Example](_URL_0_) | [
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p5ui4 | If heat is the least ordered type of energy, what is the most ordered type of energy? | askscience | {
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} | If heat is the least ordered type of energy, what is the most ordered type of energy?
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54oln1 | What is the temperature of the plasma inside a plasma globe? | I understand that the total thermal energy is low because the density of the gas is low. Does it make sense to talk about the temperature of the plasma in the same way as the temperature of the glass? | askscience | {
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"I'm not really satisfied with the answers so far so wanted to post a little about it.\n\nThere are a few definitions of temperature but the most useful when it comes to plasmas is normally the average energy, or velocity in different units,... | {
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"url": []
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"url": []
} | What is the temperature of the plasma inside a plasma globe?
I understand that the total thermal energy is low because the density of the gas is low. Does it make sense to talk about the temperature of the plasma in the same way as the temperature of the glass? | [
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55eicx | If I was walking from West coast to East coast on North America right as the Cretaceous period was at its prime, how would the diversity of ecosystems and species compare to that same walk today? | askscience | {
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"To add... | {
"url": []
} | {
"url": []
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"url": [
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ni7t4 | Is it possible for a person to survive and be able to live with a face like the Two-Face portrayed in "Batman: The Dark Knight?" | This question came up while I was watching the movie with my cousin. I'm hoping r/askacience could help me out.
And if it is possible to survive like that, what are the biggest dangers that can come with an injury like that? | askscience | {
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} | Is it possible for a person to survive and be able to live with a face like the Two-Face portrayed in "Batman: The Dark Knight?"
This question came up while I was watching the movie with my cousin. I'm hoping r/askacience could help me out. And if it is possible to survive like that, what are the biggest dangers that c... | [
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px3f3 | What does the cross-product in physics represent physically? | Could you give me some sort of example of this in the the real world? I am having a very hard time visualizing this concept. | askscience | {
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"http://en.wikipedia.org/wiki/Exterior_algebra",
"http://en.wikipedia.org/wiki/Seven-dimensional_cross_product",
"... | What does the cross-product in physics represent physically?
Could you give me some sort of example of this in the the real world? I am having a very hard time visualizing this concept. | [
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p7ofg | About vaccines. I saw this H1N1 "warning" on FB. I was under the impression that vaccines were not linked to these conditions? | _URL_0_ | askscience | {
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"url": []
} | {
"url": [
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} | {
"url": [
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6q31lw | Why do some people have good sense of direction while other don't? Do we know how the brain differs in such people? | askscience | {
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"https://www.ncbi.nlm.nih.gov/m/pubmed/17024677/",
"https://www.theregister.co.uk/2006/11/17/the_o... | Why do some people have good sense of direction while other don't? Do we know how the brain differs in such people?
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3mgtar | Prevalence of Quantum Mechanic Effects in "Real Life"? | We are able to observe many quantum effects by poking things in a laboratory environment, but how prevalent are most of these effects? That is, how likely are most of them to occur "naturally" (not in a controlled experiment)?
There are some well known effects that frequently occur, such as Pauli exclusion or tunnelin... | askscience | {
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"There are a number of notable (and pretty cool) effects, called [macroscopic quantum phenomena](_URL_2_), which occur on large length scales and can o... | {
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"url": [
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"https://en.wikipedia.org/wiki/Superfluidity",
"https://www.youtube.com/watch?v=2Z6UJbwxBZI",
"https://www.youtube.c... | Prevalence of Quantum Mechanic Effects in "Real Life"?
We are able to observe many quantum effects by poking things in a laboratory environment, but how prevalent are most of these effects? That is, how likely are most of them to occur "naturally" (not in a controlled experiment)? There are some well known effects that... | [
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4vztuj | AskScience Panel of Scientists XV | **Please read this entire post carefully and format your application appropriately.**
This post is for new panelist recruitment! The previous one is [here](_URL_0_).
The panel is an informal group of redditors who are **either professional scientists or those in training to become so**. All panelists have at least a ... | askscience | {
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} | {
"url": [
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} | {
"url": [
"https://www.reddit.com/r/askscience/comments/3kgpey/how_would_nuking_mars_poles_create_greenhouse/cuxrw1n",
"https://www.reddit.com/r/askscience/comments/4vff6z/what_earth_microorganisms_if_any_would_thrive_on/d5y75le",
"https://www.reddit.com/r/askscience/comments/4vff6z/what_earth_microorgan... | AskScience Panel of Scientists XV
**Please read this entire post carefully and format your application appropriately.** This post is for new panelist recruitment! The previous one is [here](_URL_0_). The panel is an informal group of redditors who are **either professional scientists or those in training to become so**... | [
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ncdvj | AskScience AMA Series- IAMA University Research Administrator | I work at a small Midwestern (US) research university with a little less than $40 million in annual research grants. Prior to coming to the university I worked in Washington DC in one of the funding agencies, helping decide which proposals were funded. AMA | askscience | {
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"text": [
"Can you talk about the funding agency in Washington DC? Is science being intentionally held back or redirected by vested interests or others who stand to lose from progress? Were ... | {
"url": []
} | {
"url": []
} | {
"url": []
} | AskScience AMA Series- IAMA University Research Administrator
I work at a small Midwestern (US) research university with a little less than $40 million in annual research grants. Prior to coming to the university I worked in Washington DC in one of the funding agencies, helping decide which proposals were funded. AMA | [
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x2n3e | Suppose instead of a giant pool, the Olympic swimmers had their individual lanes of water seperated from each other. Would this affect their swimming, and if so by how much? | askscience | {
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"url": []
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"url": []
} | {
"url": [
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1vleky | Has there ever been a blind test to see if people prefer sample A or sample B ? | I saw a blind taste test to see if people preferred bottled or tap water. In this case about 75% preferred the tap water.
I was wondering if the fact that the tap water was labelled "A" might have had an effect. What if you did a blind taste test with three samples A, B and C but they all contained the same water.
W... | askscience | {
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"text": [
"As others have pointed out, the bias you describe is accounted for and mini... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://pss.sagepub.com/content/20/11/1309.short",
"http://en.wikipedia.org/wiki/Serial_position_effect#Primacy_effect",
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I saw a blind taste test to see if people preferred bottled or tap water. In this case about 75% preferred the tap water. I was wondering if the fact that the tap water was labelled "A" might have had an effect. What if you did a blind tast... | [
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tmoe2 | Does the "will to live" among the very ill create biochemical changes in the body that helps keep them alive? | In other words, is there any evidence one can mentally influence biochemical processes to help one overcome a deathly sickness?
I hear often about people just "giving up" or not having a "will to live" anymore, and they shortly after they pass on. Is there any research being done to test this phenomenon? What is this ... | askscience | {
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"There are a number of articles and research papers indicating that a positive mental attitude towards an illness such as cancer can have a profound effect on the rat... | {
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"url": []
} | {
"url": [
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"http://www.apa.org/monitor/mar02/placebo.aspx",
"http://www.placebo.ucla.edu/news/PDF/newsfactor020110.pdf",
"http://www.highlightheal... | Does the "will to live" among the very ill create biochemical changes in the body that helps keep them alive?
In other words, is there any evidence one can mentally influence biochemical processes to help one overcome a deathly sickness? I hear often about people just "giving up" or not having a "will to live" anymore,... | [
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3c6zcj | I am EulerANDBernoulli and I study infectious diseases. Ask Me Anything! | I'm a Master's Student in Applied Math at The University of Waterloo in Waterloo Ontario Canada. My research centres around the mitigation and eventual eradication paediatric infectious disease (like measles). AMA!
I'll be on around 1 PM EDT (17 UTC) to answer questions.
| askscience | {
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"url": [
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} | I am EulerANDBernoulli and I study infectious diseases. Ask Me Anything!
I'm a Master's Student in Applied Math at The University of Waterloo in Waterloo Ontario Canada. My research centres around the mitigation and eventual eradication paediatric infectious disease (like measles). AMA! I'll be on around 1 PM EDT (17 U... | [
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4fumz2 | How have our bodies evolved to metabolize chemicals such as pharmaceutical drugs that would never be found in nature? | askscience | {
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n80ya | Can someone please explain to me, in lay-mans terms, what is the Higg's Boson? | From my understanding, it's the glue that makes space-time cohesive, and gives mass to all things. | askscience | {
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yajuu | Are "body talents" (wiggling ears, moving eyebrows independently, tongue and eye tricks, etc...) determined through genetics, or are they all learnable skills? | I can move both eyebrows independently, wiggle my ears, flip my tongue over in both directions, and look in two directions at once, among other things. I remember working hard to develop those talents from scratch after hearing about them or seeing someone do it. I've also seen many statistics -- "X percent of people ... | askscience | {
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rz9rt | How far away are we from a true artificial intellegence? | askscience | {
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1bd7rl | [META] - Introducing AskScience Sponsored Content | The mods at AskScience would like to proudly introduce our newest feature: **sponsored content**. We believe that with this non-obtrusive **sponsored content**, we'll be able to properly motivate the best responses from scientists and encourage the best moderation of our community.
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The mods at AskScience would like to proudly introduce our newest feature: **sponsored content**. We believe that with this non-obtrusive **sponsored content**, we'll be able to properly motivate the best responses from scientists and encourage the best moderation of ou... | [
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9ewvzh | Why is learning something 1 hour every day for 20 days more effective than learning the same thing in 20 hours? | Is there any neuroscience/biological explanation as why the brain learns this way? | askscience | {
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wboyk | Would today's xkcd "What-If?" question actually happen as he says? | The question proposed was: "What would happen if you tried to hit a baseball pitched at 90% the speed of light?". I'm not an expert on physics at all but I thought at speeds approaching the speed of light all particles behave more as waves, so his answer of a thermonuclear explosion while assuming the baseball remains ... | askscience | {
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yz3s6 | Why did they put speakers on the Mars Curiosity? Surely not just for _URL_0_? | I imagine the extra weight and setup would have cost a few bob. Do they have some scientific purpose? | askscience | {
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13yhqg | /r/AskScience, Can you tell me why this article about Bigfoot being real is bullshit? Their talk about Nuclear DNA and mitochondrial DNA confuses me. | Here is [the article](_URL_0_).
Sorry, for wasting your time with what is probably nonsense. I mean, where did they even get these DNA samples? | askscience | {
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} | /r/AskScience, Can you tell me why this article about Bigfoot being real is bullshit? Their talk about Nuclear DNA and mitochondrial DNA confuses me.
Here is [the article](_URL_0_). Sorry, for wasting your time with what is probably nonsense. I mean, where did they even get these DNA samples? | [
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1y589g | Stand back: I'm going to try science! A new weekly feature covering how science is conducted | Over the coming weeks we'll be running a feature on the process of being a scientist. The upcoming topics will include 1) Day-to-day life; 2) Writing up research and peer-review; 3) The good, the bad, and the ugly papers that have affected science; 4) Ethics in science.
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} | Stand back: I'm going to try science! A new weekly feature covering how science is conducted
Over the coming weeks we'll be running a feature on the process of being a scientist. The upcoming topics will include 1) Day-to-day life; 2) Writing up research and peer-review; 3) The good, the bad, and the ugly papers that h... | [
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jjn13 | Why does evaporation cause a cooling effect on your skin? | I know the body does this as a way to cool itself. I became intrigued with the phenomenon when I applied some liquid hand sanitizer and felt the temperature difference. It has something to do with the heat of vaporization, doesn't it? | askscience | {
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2mfo0m | How do life forms evolve under less than favorable conditions? | My father's only argument against evolution besides "It's a theory!" is that he doesn't understand how an animal evolves if the situation it is in isn't exactly what it needs to prosper. I tried to explain that the basic premise of evolution was something adapting to it's conditions because it needs to. I used the exam... | askscience | {
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5odujm | What is the consistency of outer space? Does it always feel empty? What about the plasma and heliosheath and interstellar space? Does it all feel the same emptiness or do they have different thickness? | askscience | {
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4v0cbr | AskScience AMA Series: Hi! I'm Dr. Olwen Grace, a researcher at the Royal Botanic Gardens, Kew in London. I study the world's succulent plants and what evolution can tell us about the useful properties of wonder-plants like Aloe vera. AMA! | Hi, I'm Dr. Olwen Grace, a researcher specialising in the evolution of succulent plants (plants that store water) at the Royal Botanic Gardens, Kew in London. I lead the team that confirmed the origins of Aloe vera on the Arabian Peninsula - a longstanding botanical mystery - using genome sequencing techniques. We publ... | askscience | {
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} | AskScience AMA Series: Hi! I'm Dr. Olwen Grace, a researcher at the Royal Botanic Gardens, Kew in London. I study the world's succulent plants and what evolution can tell us about the useful properties of wonder-plants like Aloe vera. AMA!
Hi, I'm Dr. Olwen Grace, a researcher specialising in the evolution of succulent... | [
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6zv8r1 | What stops micro chips in humans from being rejected by the body similar to splinters or other foreign bodies? | Title basically explains it all. Recently had stitches that were in for too long which caused the skin too swell and become irritated and was thinking what sort of effects it has on microchips or any other sort of technology that involves planting something under the skin(not organs or living material). | askscience | {
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13di4c | What is the bench-press equivalent of a push up (%body weight)? | Is this a stupid question? I don't think so, because the answer isn't your body weight because of weight distribution being partly/largely on your feet.
Standard push up, X body weight. It will vary with time (i.e. the angle you are currently at), and would depend on your particular weight distribution/height/etc. ...... | askscience | {
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"Are you asking how much weight you push when you do a pushup?\n\nGet a bathroom scale, put your hands on in while doing a pushup and watch the numbers. Put a book or something under your toes to make you level like when you do a pushup. Fro... | {
"url": []
} | {
"url": []
} | {
"url": []
} | What is the bench-press equivalent of a push up (%body weight)?
Is this a stupid question? I don't think so, because the answer isn't your body weight because of weight distribution being partly/largely on your feet. Standard push up, X body weight. It will vary with time (i.e. the angle you are currently at), and woul... | [
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2kwrdy | What makes dead weight harder to pick up? | Everyone says that dead weight, like a barbell, is harder to lift than... live weight (?), like a person, even if they would weigh the same on a scale. I can't really ratify this to myself because I don't pick up a lot of people, and I don't really go to the gym. Why is this true? Or, if it's not true, why does everyon... | askscience | {
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"As /u/chrisbaird points out, a 50 lbs weight is a 50 lbs weight. And accelerating that weight a particular amount isn't going to change depending on how it's moving. You're actually asking more of a question of physiology, no... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Stretch_reflex",
"https://www.youtube.com/watch?v=tLMpdBjA2SU"
]
} | What makes dead weight harder to pick up?
Everyone says that dead weight, like a barbell, is harder to lift than... live weight (?), like a person, even if they would weigh the same on a scale. I can't really ratify this to myself because I don't pick up a lot of people, and I don't really go to the gym. Why is this tr... | [
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1iowxh | Question about QED | So I'm trying to read Feynmans QED but I don't quite understand everything. He says that light chooses the path which takes the least time but how can that be? How does it know which path gives the least amount of time? Is it like lightning when it takes the path of least resistance down to the ground? | askscience | {
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"Actually, you should keep on reading, because Feynman should also explain why it takes the shortest path by using quantum mechanics. I remember he introduces the rules of quantum mechanics by adding little arrows. The thing i... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Principle_of_least_action",
"http://en.wikipedia.org/wiki/Principle_of_least_action",
"http://youtu.be/dukkO7c2eUE"
]
} | Question about QED
So I'm trying to read Feynmans QED but I don't quite understand everything. He says that light chooses the path which takes the least time but how can that be? How does it know which path gives the least amount of time? Is it like lightning when it takes the path of least resistance down to the groun... | [
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xso8e | How do you know how fast you're going in space? | I was watching the Curiosity landing last night, and was marveling at the accuracy at which they were able to give velocity data while traveling through space. How were they able to do this?
I'm not talking about your velocity near the planet - I'm asking about velocity while you're still floating through space. O... | askscience | {
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"Wow. I may be late to the party on this one, but there actually is a good answer that's not just \"the power of math\". Most spacecraft either have hyper-stable oscillators in th... | {
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} | {
"url": []
} | {
"url": [
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"http://mars.jpl.nasa.gov/msl/mission/communicationwithearth/navigation/"
]
} | How do you know how fast you're going in space?
I was watching the Curiosity landing last night, and was marveling at the accuracy at which they were able to give velocity data while traveling through space. How were they able to do this? I'm not talking about your velocity near the planet - I'm asking about velocity w... | [
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19nuxz | How many notable science experiments have gone horribly wrong? | I was reading about Franz Reichelt, the dude who [jumped off the Eiffel Tower to his death](_URL_0_) while showing that his parachute contraption was safe.
Are there any other experiments like this that resulted in death. I'm thinking more cutting edge experiments rather than an explosion mishap on an experiment that... | askscience | {
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"During experimentation on the [Demon Core](_URL_0_), it went critical.....twice.\n\nBasically, we did a lot of dangerous stuff in the early days of nuclear science. This particular subcritical mass of Plutonium killed (direct... | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Franz_Reichelt"
]
} | {
"url": [
"http://en.wikipedia.org/wiki/Demon_core"
]
} | How many notable science experiments have gone horribly wrong?
I was reading about Franz Reichelt, the dude who [jumped off the Eiffel Tower to his death](_URL_0_) while showing that his parachute contraption was safe. Are there any other experiments like this that resulted in death. I'm thinking more cutting edge expe... | [
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iug78 | Is there a site where I can easily research the
evolutionary history of a selected organism? | For example, the other day, I wanted to know the evolutionary history of bears - what kinds of creatures they evolved from, what animals reside on nearby branches of the same family tree, etc. I couldn't find much. Wikipedia has some good stuff for some animals, but not for others. Anybody know of something more com... | askscience | {
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"Well, there's the [Tree of Life project](_URL_4_).\n\nI haven't really spent much of any time there myself really, so I don't know how extensive it is (my understanding is that it is still rather... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://timetree.org/time_query.php?taxon_a=9606|human&taxon_b=9634|bear&action=",
"http://www.reddit.com/r/scholar",
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"http://tolweb.org/tree/home.pages/searchresults.html?cx=009557456284541951685%3A50nf_5tpvuq&cof=FORID%3A9&ie=UTF-8&q=bear&sa... | Is there a site where I can easily research the evolutionary history of a selected organism?
For example, the other day, I wanted to know the evolutionary history of bears - what kinds of creatures they evolved from, what animals reside on nearby branches of the same family tree, etc. I couldn't find much. Wikipedia ha... | [
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14nva6 | Given that there are many different systems of measurement for distance/size (e.g. meter v. inch or km v. mile), are there different measures of time as well? It seems like everyone uses seconds, minutes, hours... | Perhaps this is a profoundly stupid question, but somehow this still rankles my mind. Why does the measurement of time seem standard, while there are many "non-standard" measurements of distance and size? | askscience | {
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"Plenty of different measures of time and cale... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://www.timeanddate.com/library/abbreviations/timezones/au/est.html",
"http://en.wikipedia.org/wiki/Metric_time",
"http://en.wikipedia.org/wiki/Unix_time",
"http://infiniteundo.com/post/25509354022/more-falsehoods-programmers-believe-about-time-wisdom",
"http://en.wikipedia.org/wiki... | Given that there are many different systems of measurement for distance/size (e.g. meter v. inch or km v. mile), are there different measures of time as well? It seems like everyone uses seconds, minutes, hours...
Perhaps this is a profoundly stupid question, but somehow this still rankles my mind. Why does the measure... | [
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5o3r4j | Have we ever sent anything "upwards" or "downwards" in space? | My five year old niece asked me this question followed up with "do we know what's in those directions?".
I thought maybe you could help we with a good explanation to this! | askscience | {
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"text": [
"Geez, all you people are being EXTREMELY pedantic.\n\nOP, you mean have we sent any spaceships straight up from the north pole or the south pole? No, we haven't.\n\nThe Earth is turning pretty fast. Take a globe of the Earth ... | {
"url": []
} | {
"url": []
} | {
"url": [
"https://s-media-cache-ak0.pinimg.com/originals/ec/ca/a6/eccaa6940518d436ba87b6647148f9ec.jpg",
"https://en.wikipedia.org/wiki/Ulysses_%28spacecraft%29"
]
} | Have we ever sent anything "upwards" or "downwards" in space?
My five year old niece asked me this question followed up with "do we know what's in those directions?". I thought maybe you could help we with a good explanation to this! | [
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n4ygs | Why can't the three-body problem be solved? | In school teachers always said it was unsolvable and left it at that and I am now doing second year physics in uni and it's again taken as axiomatic that we cannot solve it. What is it about it that presents a problem? | askscience | {
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"It isn't a direct answer to your question, that has been answered elsewhere in the thread.\n\nThe correct statement is the three body p... | {
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} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Integrable_system",
"http://en.wikipedia.org/wiki/Three-body_problem#n-body_problem"
]
} | Why can't the three-body problem be solved?
In school teachers always said it was unsolvable and left it at that and I am now doing second year physics in uni and it's again taken as axiomatic that we cannot solve it. What is it about it that presents a problem? | [
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2db2cc | How is underwater fiber laid out over fault lines? | I was reading the article about Google pairing with a company to lay new fiber from the west coast to Japan. [source](_URL_0_).
Is the fiber laying on the sea floor? Wouldn't earthquakes and underwater lava flows damage the fiber? How is the fiber protected from erosion? | askscience | {
"a_id": [
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"text": [
"As far as I've seen, it's not secured to the sea floor at all. So the sea floor can move and the cable will be just fine. The big downside of that is ship anchors will catch on the cable and the ship can rip ... | {
"url": []
} | {
"url": [
"http://thenextweb.com/google/2014/08/11/google-backing-new-300-million-high-speed-internet-trans-pacific-cable-system-us-japan/"
]
} | {
"url": [
"http://archive.wired.com/wired/archive//4.12/ffglass.html?person=neal_stephenson&topic_set=wiredpeople",
"http://www.subtelforum.com/Almanac-Issue8.pdf",
"https://upload.wikimedia.org/wikipedia/commons/7/7d/800px-Trans_Alaska_Pipeline_Denali_fault_shift.JPG"
]
} | How is underwater fiber laid out over fault lines?
I was reading the article about Google pairing with a company to lay new fiber from the west coast to Japan. [source](_URL_0_). Is the fiber laying on the sea floor? Wouldn't earthquakes and underwater lava flows damage the fiber? How is the fiber protected from erosio... | [
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2z0fge | Happy Pi Day! Come celebrate with us |
It's 3/14/15, the Pi Day of the century! Grab a slice of your favorite Pi Day dessert and celebrate with us.
**Our experts are here to answer your questions, and this year we have a treat that's *almost* sweeter than pi: we've teamed up with some experts from /r/AskHistorians to bring you the history of pi.** We'd l... | askscience | {
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"url": []
} | {
"url": [
"http://www.reddit.com/r/askscience/comments/20ercb/faq_friday_pi_day_edition_ask_your_pi_questions/"
]
} | {
"url": [
"http://i.imgur.com/bsksXEj.png",
"http://i.imgur.com/IjS35vi.png",
"https://xkcd.com/1179/",
"http://www.earthworksconservancy.org/wp-content/uploads/2012/09/earthworks-collage.jpg",
"http://upload.wikimedia.org/wikipedia/commons/2/29/Newark_Works_Squier_and_Davis_Plate_XXV.jpg",
"... | Happy Pi Day! Come celebrate with us
It's 3/14/15, the Pi Day of the century! Grab a slice of your favorite Pi Day dessert and celebrate with us. **Our experts are here to answer your questions, and this year we have a treat that's *almost* sweeter than pi: we've teamed up with some experts from /r/AskHistorians to bri... | [
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knnth | Does science acknowledge a limit to what we as a species can mentally comprehend ? | Is there a theory, idea, or acknowledgment that the human brain has limits on just how complex, complicated, etc... of an idea it can comprehend, and work with ?
I'm kind of wondering as we continue to advance at such a fast pace into advanced physics like string theory, quantum physics, and all that stuff if we will... | askscience | {
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"The catch with string theory and/or quantum physics is not that we can't describe or articulate and thus understand it on a language basis.\n\nThat quantum objects are at multiple places both vib... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Working_memory#Capacity"
]
} | Does science acknowledge a limit to what we as a species can mentally comprehend ?
Is there a theory, idea, or acknowledgment that the human brain has limits on just how complex, complicated, etc... of an idea it can comprehend, and work with ? I'm kind of wondering as we continue to advance at such a fast pace into ad... | [
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17x40p | How do scientist decide which colors to use when they "fake-color" an image of the Universe? | For example, all the images the Hubble Telescope has ever taken were fake-colored (because the telescope has no 'natural colored' cameras).. So, when adding color to one of Hubble's [gray-scale photos](_URL_0_) (or when making an artist depiction of [six newly found exocomets](_URL_1_)) do these despicable people choos... | askscience | {
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],
"text": [
"This varies among astronomical images, so let's take a look at the specific image you've linked to. [Here's](_URL_1_) the background info on that image, down at the bottom left of that page.\n\nT... | {
"url": []
} | {
"url": [
"http://asd.gsfc.nasa.gov/archive/hubble/hubble20th_lg.jpg",
"http://www.sci-news.com/astronomy/article00813.html"
]
} | {
"url": [
"http://documents.stsci.edu/hst/wfc3/documents/handbooks/cycle18/appendixA37.html",
"http://hubblesite.org/newscenter/archive/releases/2010/13/fastfacts/",
"http://www.stsci.edu/hst/wfc3/documents/handbooks/currentIHB/appendixA24.html",
"http://www.stsci.edu/hst/wfc3/documents/handbooks/cur... | How do scientist decide which colors to use when they "fake-color" an image of the Universe?
For example, all the images the Hubble Telescope has ever taken were fake-colored (because the telescope has no 'natural colored' cameras).. So, when adding color to one of Hubble's [gray-scale photos](_URL_0_) (or when making ... | [
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14nrkf | Is there any scientific basis to claims that it's possible to influence the sex of your baby? | I've heard varying claims about this, and I'm finding it hard to find any trustworthy material.
From my limited understanding of biology, I don't find it inconceivable that it *might* be possible. Say, if X- and Y-chromosome sperm react to certain environments differently, then any activity -- like a change in diet --... | askscience | {
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"text": [
"Some studies have shown that the sperm with the X chromosome live longer than the than the sperm with the Y chromosome. This means that 'female' sperm have a greater... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://www.nejm.org/doi/full/10.1056/NEJM199512073332301#t=articleBackground",
"http://pregnancy.about.com/od/genderselection/a/microsort.htm",
"http://www.ncbi.nlm.nih.gov/pubmed/22992923",
"http://rspb.royalsocietypublishing.org/content/early/2012/03/16/rspb.2012.0320.full",
"http://... | Is there any scientific basis to claims that it's possible to influence the sex of your baby?
I've heard varying claims about this, and I'm finding it hard to find any trustworthy material. From my limited understanding of biology, I don't find it inconceivable that it *might* be possible. Say, if X- and Y-chromosome s... | [
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ms4ar | I have to explain wormholes and the general theory of relativity to a physics class, help? | I'm in High school Senior Physics AP class, where I am supposed to give a speech on these subjects. I am having trouble trying to change it from formal speaking into laymans because my class is not the brightest, formal speaking goes just over their head.
edit:
I have about 20 minutes to give the speech. As to how fa... | askscience | {
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"The problem you're going to have (mostly) is a lack of understanding on *your* part. Please don't interpret this as an insult, it's just that even a full 4 years of Physics in college doesn't prepare anyone to even talk about... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Tests_of_general_relativity#Classical_tests",
"http://en.wikipedia.org/wiki/Consequences_of_special_relativity",
"http://en.wikipedia.org/wiki/Special_relativity#Lack_of_an_absolute_reference_frame",
"http://en.wikipedia.org/wiki/Special_relativity#Postulates",... | I have to explain wormholes and the general theory of relativity to a physics class, help?
I'm in High school Senior Physics AP class, where I am supposed to give a speech on these subjects. I am having trouble trying to change it from formal speaking into laymans because my class is not the brightest, formal speaking ... | [
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13ni74 | My 5-year-old is fascinated by the elements on the periodic table, and the way the elements change when they combine into compounds. He wants to know what happens when you mix Sulfur and Nickel. | Can you help answer his question, r/askscience? | askscience | {
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} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Millerite",
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"http://en.wikipedia.org/wiki/Millerite",
"http://www.ag.ndsu.edu/pubs/yf/famsci/fs609w.htm",
"Mindat.org"
]
} | My 5-year-old is fascinated by the elements on the periodic table, and the way the elements change when they combine into compounds. He wants to know what happens when you mix Sulfur and Nickel.
Can you help answer his question, r/askscience? | [
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3zc5kw | Why does psychology not study the effects of religion on the mind? | I was researching theological stuff yesterday and I came across a Wikipedia page about the psychology of religion and it said it is not widely accepted/studied.
Why not? The effect that religion has on someone's mind should be one of the most fascinating aspects of psychology, to brush it off as mumbo jumbo is extreme... | askscience | {
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"url": [
"http://www.amazon.com/s/ref=nb_sb_noss?url=node%3D12805&field-keywords=psychology+of+religion&rh=n%3A283155%2Cn%3A22%2Cn%3A12779%2Cn%3A12805%2Ck%3Apsychology+of+religion",
"https://en.wikipedia.org/wiki/Psychology_of_religion",
"https://scholar.google.ca/scholar?q=psychology+of+religio... | Why does psychology not study the effects of religion on the mind?
I was researching theological stuff yesterday and I came across a Wikipedia page about the psychology of religion and it said it is not widely accepted/studied. Why not? The effect that religion has on someone's mind should be one of the most fascinatin... | [
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1feiy5 | What practical uses would a superdense (but not necessarily superstrong) material have in engineering? | askscience | {
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"url": [
"http://en.wikipedia.org/wiki/Solar_furnace",
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"http://en.wikipedia.org/wiki/Tower_crane#Tower_crane"
]
} | What practical uses would a superdense (but not necessarily superstrong) material have in engineering?
| [
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36lj4c | Why isn't Ireland more forested? | The pictures I see of Ireland are mostly vast expanses of flat greenery. Why isn't it more forested? Or, are the pictures just playing to our expectations? If the answer is that there are conditions that favor flat greenery, are there other places in the world with the same conditions and same results? | askscience | {
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"[This article](_URL_0_) discus... | {
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"url": [
"http://www.rohanlon.org/downloads/O%27Hanlon%20Forestry%20Source%20June%202012.pdf",
"http://www.teagasc.ie/forestry/docs/advice/irish_forests_world_beaters_farrelly.pdf",
"https://www.agriculture.gov.ie/media/migration/contentarchive/forestry/IRISH%20FORESTRY-ABRIEFHISTORY-Oct08.pdf",
"ht... | Why isn't Ireland more forested?
The pictures I see of Ireland are mostly vast expanses of flat greenery. Why isn't it more forested? Or, are the pictures just playing to our expectations? If the answer is that there are conditions that favor flat greenery, are there other places in the world with the same conditions a... | [
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rsion | My friend hates vegetables and fruits, and thus prefers to get his daily serving through a single can of V8 fruit juice. How healthy of an alternative is this? | askscience | {
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"Looking at the [nutrition info](_URL_2_)... its not good but at least he won't get scurvy. The sodium intake for a single 8 fl. oz. serving is quite high, its nearly a [third of the recommended intake](_URL_1_). There are sma... | {
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"url": []
} | {
"url": [
"do.It",
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"http://www.v8juice.com/Products.aspx",
"https://en.wikipedia.org/wiki/Dietary_fiber",
"http://www.v8juice.com/faq_v8fusion.aspx"
]
... | My friend hates vegetables and fruits, and thus prefers to get his daily serving through a single can of V8 fruit juice. How healthy of an alternative is this?
| [
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1kkvkr | In this animation, "The Inner Life of the Cell", what are we seeing at the 1:15 mark? | This [video](_URL_0_) was put together by the molecular biology dept at Harvard in conjunction with an animation company, its been around awhile. The whole thing fills me with wonderment and the 1:15 mark does particularly so. What are we seeing here? It looks like a chain of molecules with a sac attached to it, marchi... | askscience | {
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"text": [
"There is a full explanation video [here](_URL_0_). As others have pointed out the macromolecule you describe is kinesin (the explanation video simply calls it a \"motor protein\" but it is the same thing).",
"> Kinesin\n > _URL_1_\n\n(... | {
"url": []
} | {
"url": [
"http://www.xvivo.net/the-inner-life-of-the-cell/"
]
} | {
"url": [
"http://www.schooltube.com/video/298f6e0ddd0a626bc784/",
"https://www.youtube.com/watch?v=lLxlBB9ZBj4"
]
} | In this animation, "The Inner Life of the Cell", what are we seeing at the 1:15 mark?
This [video](_URL_0_) was put together by the molecular biology dept at Harvard in conjunction with an animation company, its been around awhile. The whole thing fills me with wonderment and the 1:15 mark does particularly so. What ar... | [
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ras7u | What is the lowest level of life for which behavioral learning is possible? | I'm not talking about getting stronger, like a physical adaptation, but behavioral change, like learning where the food is and going back there frequently. For example, is the behavior of a fly controlled by nothing more that genetics and environmental cues, e.g. smelling food? If it is governed by some kind of learnin... | askscience | {
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"text": [
"Almost all invertebrates can do simple learning. Fruit flies, sea slugs, and pond snails, for example, are all capable of operant conditioning (= modifying their behavior due to learned associations.) Even flatworms can do so... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://www.mitpressjournals.org/doi/abs/10.1162/biot.2007.2.3.231",
"http://en.wikipedia.org/wiki/Long-term_potentiation",
"http://www.sciencedirect.com/science/article/pii/S0022519310003073",
"http://www.sciencemag.org/content/139/3559/1048.short",
"http://www.sciencedirect.com/scienc... | What is the lowest level of life for which behavioral learning is possible?
I'm not talking about getting stronger, like a physical adaptation, but behavioral change, like learning where the food is and going back there frequently. For example, is the behavior of a fly controlled by nothing more that genetics and envir... | [
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2lr8m1 | Hello /r/AskScience! What are your favourite safe, simple but exciting home experiments? | Come on, everybody has a favourite!
I'm specifically thinking of a children's party (7-y/o boy) I will be running. So... simple chemistry with a high visual/sensory impact?
The broader question might be, what are the best things to include in an interactive science presentation for young children (including the ac... | askscience | {
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"url": [
"https://www.google.com/search?q=red+cabbage+indicator&rlz=1C1CHFX_enUS591US591&es_sm=93&source=lnms&tbm=isch&sa=X&ei=TeFfVMPGNMLuoAT9t4L4Cg&ved=0CAgQ_AUoAQ&biw=1585&bih=802",
"http://chemistry.about.com/od/acidsbase1/a/red-cabbage-ph-indicator.htm",
"http://... | Hello /r/AskScience! What are your favourite safe, simple but exciting home experiments?
Come on, everybody has a favourite! I'm specifically thinking of a children's party (7-y/o boy) I will be running. So... simple chemistry with a high visual/sensory impact? The broader question might be, what are the best things to... | [
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1bnzcx | Is the usable mathematics a limiting factor for study of Physics? | This is a very long post with a lot of questions:
I recall a quote by Einstein saying that he could not proceed further after a point in GR with the general mathematical tools until he was able to use tensors in it. Is it that the more simpler concepts were too inadequate, or was it that it was almost unworkable with... | askscience | {
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"I'll leave most of your questions to people more knowledgeable in physics, but I'd like to address the part about Fermat's last theorem. It is generally believed that Fermat didn't have a correct proof; the only known proof r... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Modularity_theorem",
"http://www.reddit.com/r/Physics/comments/1blsx6/black_hole_firewall_paradox_challenges_general/",
"http://en.wikipedia.org/wiki/The_Unreasonable_Effectiveness_of_Mathematics_in_the_Natural_Sciences#The_miracle_of_mathematics_in_the_natural_sci... | Is the usable mathematics a limiting factor for study of Physics?
This is a very long post with a lot of questions: I recall a quote by Einstein saying that he could not proceed further after a point in GR with the general mathematical tools until he was able to use tensors in it. Is it that the more simpler concepts w... | [
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