q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
5p6fwl | Where does NASA get its old (e.g. 1884) climate data? | Friend of mine contests that climate change data is invalid because of poor sampling technique and data collection.
One of his points of contention is that the old data was not reliable enough to cite, e.g. _URL_0_ has a chart of data from 1884.
I don't see on that page where that data is from or how it was gathered.... | askscience | https://www.reddit.com/r/askscience/comments/5p6fwl/where_does_nasa_get_its_old_eg_1884_climate_data/ | {
"a_id": [
"dcp0kzx"
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"score": [
35
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"text": [
"The [mercury thermometer](_URL_0_) was invented in 1714. As [described](_URL_0_) the method for calibrating it was to allow the mercury to reach equilibrium with known states (water/ice and water/vapor) then evenly divide the distance between t... | [] | [
"http://climate.nasa.gov/vital-signs/global-temperature/"
] | [
[
"https://en.wikipedia.org/wiki/Timeline_of_temperature_and_pressure_measurement_technology",
"https://en.wikipedia.org/wiki/National_Weather_Service#History",
"http://www.weather.gov/timeline",
"https://en.wikipedia.org/wiki/U.S._National_Geodetic_Survey"
]
] | |
2imjf4 | Why does a Lieutenant General outrank a Major General, but a Major outranks a Lieutenant? | I'm curious how the precedence of these ranks came about. It is, in the words of Mr. Spock, highly illogical to me. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2imjf4/why_does_a_lieutenant_general_outrank_a_major/ | {
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"score": [
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"text": [
"I hope this answer suffices by the sub rules, because it's not terribly densely cited, but this is more of a semantics question than a historical one really, so I'm hoping an answer on the etymology ... | [] | [] | [
[],
[],
[]
] | |
3wolhj | if omega 3 fish oils are so good for you why don't we just fry everything in that? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wolhj/eli5_if_omega_3_fish_oils_are_so_good_for_you_why/ | {
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"text": [
"You can cook with it, but: \"However, due to its high concentration of polyunsaturated fats, fish oil should never be used for cooking... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
5shiye | how does the "telephone," using cups and a string to communicate work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5shiye/eli5_how_does_the_telephone_using_cups_and_a/ | {
"a_id": [
"ddf35bg",
"ddf3a30"
],
"score": [
2,
2
],
"text": [
"You talk into one cup, the pressure waves of sound causing the cup itself to vibrate. This causes the string (if kept taught) to vibrate as well which in turn vibrates the cup on the receiving end. The receiving cup creates ... | [] | [] | [
[],
[]
] | ||
1xws0s | Why do Austria and Australia sound so similar? | Was there a reason for that or was it just a coincidence | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1xws0s/why_do_austria_and_australia_sound_so_similar/ | {
"a_id": [
"cffbxi6"
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"score": [
15
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"text": [
"Coincidence. Australia comes from the Latin *australis*, meaning \"southern\". Austria is the Anglicisation of Österreich, which is German for \"eastern realm\". "
]
} | [] | [] | [
[]
] | |
85bc1o | why do tropical storms never cross the equator? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/85bc1o/eli5_why_do_tropical_storms_never_cross_the/ | {
"a_id": [
"dvw4e2c"
],
"score": [
6
],
"text": [
"Hot air moves from hot to cold areas, getting pushed by other hot air rising. It is warmest near the equator so it typically goes away from the equator."
]
} | [] | [] | [
[]
] | ||
8kcbzu | why does the ground around leaves dry slower? | After it rains, the concrete goes darker. Then it dries and it gets back to its original color. But wherever there are leaves, there's a dark spot around it. Why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8kcbzu/eli5_why_does_the_ground_around_leaves_dry_slower/ | {
"a_id": [
"dz6hsjp"
],
"score": [
2
],
"text": [
"I'm guessing because the leaves hold moisture that the concrete absorbs from them while drying itself...?"
]
} | [] | [] | [
[]
] | |
17xezu | How long does it take for the body to become "hydrated" after consuming water. | askscience | http://www.reddit.com/r/askscience/comments/17xezu/how_long_does_it_take_for_the_body_to_become/ | {
"a_id": [
"c89rqxq"
],
"score": [
15
],
"text": [
"I'm assuming you mean how long does it take to absorb the water after drinking it. If that's the case, there are many determining factors, but it's overall pretty fast. For an example drinking a liter of pure water. You should have absorption st... | [] | [] | [
[
"http://i.imgur.com/ZzNy6s2.jpg"
]
] | ||
2466wo | Have we tried performing the double slit experiment using a wavelength sensor in one of the slits? | I understand that when we measure the voltage or momentum change of a slit, this causes the "superposition" to collapse, meaning that the electron or photon acts as a particle, only going through one slit (with no detector it produces wave interference after the slit).
Measuring the wavelength passing through each ga... | askscience | http://www.reddit.com/r/askscience/comments/2466wo/have_we_tried_performing_the_double_slit/ | {
"a_id": [
"ch426ut",
"ch439ea",
"ch4ajyp"
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"score": [
2,
6,
2
],
"text": [
"How does one normally measure wavelength of an electromagnetic wave? I was under the impression that the energy of the incident beam is measured via detectors (that are themselves excited to a certain e... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Canonical_commutation_relation",
"http://en.wikipedia.org/wiki/Weak_measurement"
],
[
"http://en.wikipedia.org/wiki/Young%27s_interference_experiment"
]
] | |
1cpd55 | If the cell membrane surrounds the whole cell, how come you can still see inside the cell under a microscope? | askscience | http://www.reddit.com/r/askscience/comments/1cpd55/if_the_cell_membrane_surrounds_the_whole_cell_how/ | {
"a_id": [
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"score": [
5,
3,
2
],
"text": [
"Because it is very thin and transparent and it allows light to travel through. Though if you use an electron microscope you can actually map the surface of the cell membrane.",
"It is very, very thi... | [] | [] | [
[],
[],
[]
] | ||
10ggjy | Is there less potable water on the earth compared to, say, 100 years ago? What makes it so difficult to reclaim? | I feel like this sounds like a dumb question, but I ask it simply because I live in an area that traditionally has had no problems getting access to drinking water - even without municipal help - and yet I remember all sorts of PSAs in the 80s and 90s telling me not to waste water, and treating it like a finite resourc... | askscience | http://www.reddit.com/r/askscience/comments/10ggjy/is_there_less_potable_water_on_the_earth_compared/ | {
"a_id": [
"c6dakj7"
],
"score": [
3
],
"text": [
"[Fresh water](_URL_4_) is not a true renewable resource. The problem is that:\n\n1. Fresh water is not evenly distributed\n\n2. It is not renewed at the same rates, it depends on the physical characteristics of the area. e.g. tropics vs. deserts ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Water_cycle",
"http://en.wikipedia.org/wiki/Ogallala_Aquifer",
"http://en.wikipedia.org/wiki/Aquifer#Human_dependence_on_groundwater",
"http://en.wikipedia.org/wiki/Aquifer",
"http://en.wikipedia.org/wiki/Fresh_water#Limited_resource"
]
] | |
4a725w | why do you always feel completely awake the moment you try and go to sleep? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4a725w/eli5_why_do_you_always_feel_completely_awake_the/ | {
"a_id": [
"d0xxc7i"
],
"score": [
6
],
"text": [
"Your circadian rhythm is out of whack, your body expects you to go to sleep and wake up around the same time each day. If you go to bed at the same time each night with no phones or electronics or pretty much any other source of light for about a... | [] | [] | [
[]
] | ||
1c0vvw | Thirty years war and religious toleration | Im no expert on this issue and was curious if there were any connection between western enlightenment thought(Particularly religious toleration) and the thirty years war. i know that the idea of religious toleration had existed before the thirty years war, but it was only after the war that there was more general conse... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1c0vvw/thirty_years_war_and_religious_toleration/ | {
"a_id": [
"c9bxepj"
],
"score": [
2
],
"text": [
"Not sure if this should be posted in r/historyofideas..."
]
} | [] | [] | [
[]
] | |
4j53nl | how do you determine the value of diamonds/precious stones? | Inspired by the post about a Brazilian slave girl finding a diamond. Is it the rarity, size, craftsmanship, etc.? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4j53nl/eli5_how_do_you_determine_the_value_of/ | {
"a_id": [
"d33rbdg",
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"score": [
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3,
3
],
"text": [
"[1](_URL_0_) One of the first things most people learn about diamonds is that not all diamonds are created equal. In fact, every diamond is unique. Diamonds come in many sizes, shapes, colors, and with ... | [] | [] | [
[
"http://www.gia.edu/diamond-quality-factor"
],
[],
[]
] | |
uaoc7 | Is "Lies My Teacher Told Me: Everything Your American History Textbook Got Wrong" an accurate history book? | I recently read an article that primarily cited this work and I was wondering if the work itself is something that holds up to actual facts and theories. I'm not a history student but according to the cited facts from this book, it's a stark contrast of what I've been taught. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/uaoc7/is_lies_my_teacher_told_me_everything_your/ | {
"a_id": [
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"score": [
12,
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16
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"text": [
"It has been a long time since I've read it, but Loewen's work is pretty solid. It fits within the historiography and I've never seen anyone call him out for being factually inc... | [] | [] | [
[],
[],
[
"http://www.cracked.com/article_19864_6-ridiculous-lies-you-believe-about-founding-america.html"
],
[]
] | |
lr6e8 | Why does relative humidity decrease as temperature increases? | Is it not because hot air expands, thus having more volume to contain water vapour? | askscience | http://www.reddit.com/r/askscience/comments/lr6e8/why_does_relative_humidity_decrease_as/ | {
"a_id": [
"c2v2l64",
"c2v2l64"
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"score": [
2,
2
],
"text": [
"Relative humidity is exactly what it says: relative. Its a measure of what percent of the maximum amount of water a parcel of air is holding. \n\nExample (I am totally making these numbers up to illustrate a point, do NOT ta... | [] | [] | [
[],
[]
] | |
ip54a | Is it possible for a human to suffocate themselves using willpower alone? | Not using water, a rope, or any outside object. Is it possible for a person to die by holding their breath?
My mom told me it was impossible when I was younger, because your survival instincts kick in, but she's not a scientist. Google doesn't bring up any reputable answers, either.
Please educate me, r/askscience! | askscience | http://www.reddit.com/r/askscience/comments/ip54a/is_it_possible_for_a_human_to_suffocate/ | {
"a_id": [
"c25iz75",
"c25o0jw"
],
"score": [
32,
2
],
"text": [
"Once you pass out from lack of oxygen, you will start breathing again.",
"It would have to be a freak quasi accident, I imagine if you held your breath until you passed out, which is possible, and you then fell over in ... | [] | [] | [
[],
[]
] | |
c52r65 | why is it bad to "blank" fire a bow? to release the string with no arrow in it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c52r65/eli5_why_is_it_bad_to_blank_fire_a_bow_to_release/ | {
"a_id": [
"erzka1q",
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"score": [
75,
6,
2
],
"text": [
"When you loose (fire) a bow with an arrow in it, all of the stored energy goes into the arrow, which is what makes it fly. If you dry loose it, there's no arrow, and nothing to absorb that energy, so i... | [] | [] | [
[],
[],
[]
] | ||
8qjgng | how does dopamine work in the brain on methamphetamine and other dopamine releasing chemicals? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8qjgng/eli5_how_does_dopamine_work_in_the_brain_on/ | {
"a_id": [
"e0jn5zp"
],
"score": [
4
],
"text": [
"Methamphetamine is a dopamine agonist, so when you take it you overflow the dopamine receptors amd get the corresponding reactions, just more intense. With frequent use the receptors cannot tolerate the constant \"high\" so they either diminish i... | [] | [] | [
[]
] | |
2ufhet | Many neighboring countries have rivalries (friendly and otherwise), but are there any historical rivals that are separated by large distances? | By "historical rivals" in this case, I mean rivalries stretching back at least 100 years. Something like England and France or Japan and Korea.
When I say "neighbors" I don't necessarily mean the countries share a border, but that they are within the same general geographical vicinity and sphere of influence. I'm wond... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ufhet/many_neighboring_countries_have_rivalries/ | {
"a_id": [
"co8b6ry"
],
"score": [
2
],
"text": [
"Sure. Most of these rivalries would be either economical or cultural/influence/religion based since militarily, for much of history, it would have been much too costly to constantly wage wars far from home against an enemy that probably did not t... | [] | [] | [
[]
] | |
5p2yfp | how is charging $10+ for a pack of cigarettes in ny and other states not price gouging? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5p2yfp/eli5_how_is_charging_10_for_a_pack_of_cigarettes/ | {
"a_id": [
"dcnzpo8"
],
"score": [
2
],
"text": [
"In Canada a decent pack of smokes will cost you around 13.85 and something a little lower than that will cost you about 11.85. These are regular or King size 20 cigarettes. "
]
} | [] | [] | [
[]
] | ||
1gzhfj | how does racial identity work in brazil? | How someone identifies racially seems to work very differently in Brazil than it does in the United States. For example, I have heard that the same individual might be considered "white" if they are wealthy and "black" if they are poor. Is this accurate? What are the racial groups in Brazil and how did they come to be?... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1gzhfj/eli5_how_does_racial_identity_work_in_brazil/ | {
"a_id": [
"capgvy6"
],
"score": [
2
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"text": [
"There are three categories for Brazilians of European and/or African descent: *Branco* (\"white\" - just under half of the population), *Pardo* (\"brown\" - about 40% of the population), and *Negro* (\"black\" - under 10% of the population). Thes... | [] | [] | [
[]
] | |
dfnp7y | Earth has been through several mass extinction events. How quickly did these occur? Did most life die out in months and years or centuries, etc? | askscience | https://www.reddit.com/r/askscience/comments/dfnp7y/earth_has_been_through_several_mass_extinction/ | {
"a_id": [
"f36b1th"
],
"score": [
10
],
"text": [
"Earth has gone through 5 mass extinction events throughout its 4.7 billion years of existence. While the exact duration of a mass extinction event is always disputed by scientists we have a general idea of their longevity. To give you an idea, ... | [] | [] | [
[
"https://www.smithsonianmag.com/science-nature/how-long-mass-extinction-180949711/"
]
] | ||
2q8c34 | How plausible was the annexation of Mexico by the United States during the Mexican-American War? | What would have been the difficulties for the US in such a move? What would have been the easiest part for them?
Was there a strong push for annexation? Who wanted such an annexation? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2q8c34/how_plausible_was_the_annexation_of_mexico_by_the/ | {
"a_id": [
"cn3y7mz"
],
"score": [
14
],
"text": [
"There was an All of Mexico Movement that advocated annexing all of Mexico however it was not very strong and dissipated at the end of the Mexican-American War. The large size of Mexican states would have made them more powerful than some existin... | [] | [] | [
[
"https://books.google.com/books?id=DSzyMGh8pNwC&pg=PA45&lpg=PA44&ots=6DUkFcc4NX&focus=viewport&dq=all+of+mexico+movement&output=html_text"
]
] | |
2o0qu5 | how do electrical capacitors block dc current but allow ac? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2o0qu5/eli5_how_do_electrical_capacitors_block_dc/ | {
"a_id": [
"cmin8c2",
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"score": [
3,
6,
5
],
"text": [
"A capacitor stores charge. That means that, if you push DC into it, the capacitor will eventually \"fill up\", and no more current can flow into it. By contrast, AC will have current flowing alternate... | [] | [] | [
[],
[],
[
"http://www.learningaboutelectronics.com/images/Capacitive-high-frequency-filter.png"
]
] | ||
cpm8yi | why does boiling water kill germs? | More specifically, does almost boiling water have the same effect? Or is there something particularly special about boiling water that kills germs/bacteria? - if so what is it, and why is it special? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cpm8yi/eli5_why_does_boiling_water_kill_germs/ | {
"a_id": [
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"score": [
16,
6,
6,
3
],
"text": [
"It’s just the temperature. You don’t need to boil it necessarily, usually just keeping it above 160°F for long enough will kill most bacteria, but boiling water for a little while... | [] | [] | [
[],
[],
[],
[]
] | |
1ptyyi | why do you always look bad in photographs, is that what you really look like? | This is confounding. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ptyyi/eli5_why_do_you_always_look_bad_in_photographs_is/ | {
"a_id": [
"cd601gk",
"cd67hah",
"cd6bvms"
],
"score": [
14,
2,
3
],
"text": [
"I read a neat article about this. There's actually a reason you think you look bad. It turns out, that a photograph is a reverse image of yourself. As opposed to a mirror, which is not. The photogr... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=zRP82omMX0g"
]
] | |
15snwi | If an anti-electron interacted with a neutron would it produce a proton? | Currently I'm reading on subatomic particles and I heard that if an electron collides with a proton it will produce either a hydrogen atom or a neutron.
So if the situation was in reverse such a neutron collides with an anti-electron would it produce a proton? | askscience | http://www.reddit.com/r/askscience/comments/15snwi/if_an_antielectron_interacted_with_a_neutron/ | {
"a_id": [
"c7pkkxo",
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"score": [
4,
4
],
"text": [
"Yes, it would. If I remember correctly, it also spits out a neutrino during the interaction.",
"Yes. The full reaction is:\n\n neutron + positron -- > proton + electron anti-neutrino\n\nEdit: Carelessly left out th... | [] | [] | [
[],
[]
] | |
z186a | Any Good sources to read up on the underground Railroad/Pre-Civil War America(1840's and on)? | I was wondering if anyone had good starting resources to learn about that time period in America, especially concerning the Underground Railroad/ events leading up to the Civil War. Key figures and events would be nice too. Thanks in advance! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/z186a/any_good_sources_to_read_up_on_the_underground/ | {
"a_id": [
"c60mi1f"
],
"score": [
2
],
"text": [
"\"The Ohio River in American History\" by Rick Rhodes, edited by Bill Byrnes has a chapter about the Underground Railroad, and lists several museums devoted to the Underground Railroad. The largest one is in Cinci... | [] | [] | [
[
"http://www.freedomcenter.org/"
]
] | |
6xsthu | what is kim jong-un's plan? why is he flexing for a war he won't win? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6xsthu/eli5_what_is_kim_jonguns_plan_why_is_he_flexing/ | {
"a_id": [
"dmi7sbh",
"dmi7up4"
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"score": [
7,
4
],
"text": [
"I'm going to repost my answer to a similar question:\n\n\"It's complicated. North Korea is itself quite weak, but they have the backing of China who view it as a useful buffer zone between it and Western allies, e.g. South K... | [] | [] | [
[],
[]
] | ||
3b3zkp | If a seaborne, foreign black person docked in a Confederate-controlled state, during Civil War times, what would've happened to them? | Assuming that they were aware of what was going on, and made their best effort to dock in a northern state .. but somehow the sea pushed them down into an alternate path.
thank you. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3b3zkp/if_a_seaborne_foreign_black_person_docked_in_a/ | {
"a_id": [
"csjavn9"
],
"score": [
21
],
"text": [
"~~While I don't know what the rule was in *all ports*, at least in Charleston~~ Beginning in Charleston, and expanding to many other Southern ports over the next few decades, the law required that free black seamen whose ships came into port [sp... | [] | [] | [
[
"http://ccpl.org/content.asp?id=15674&catID=6025&action=detail&parentID=5747"
]
] | |
1gs9o1 | Did Alexander really defeat Porus at the Battle of Hydaspes? | The Battle of Hydaspes took place in 326 BC between the forces of Alexander the Great and those of the North Indian king, Porus. Alexander defeated Porus, but was so impressed with his bravery that Alexander made him an ally, appointed him *Satrap*, and gave him new territories. At least this is the mainstream view.
... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1gs9o1/did_alexander_really_defeat_porus_at_the_battle/ | {
"a_id": [
"canghox"
],
"score": [
4
],
"text": [
"I'd like to know what source you're using here. I've never heard this before and I can assuredly tell you that I know of absolutely no basis in the texts or in archaeology that could possibly back this up."
]
} | [] | [] | [
[]
] | |
6jsxhm | when someone dials 911, how is it determined where there call will be directed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6jsxhm/eli5_when_someone_dials_911_how_is_it_determined/ | {
"a_id": [
"djgpozn"
],
"score": [
2
],
"text": [
"It's determined by the local phone exchange. That means the place where your hardline phone is connected to. Or the tower that your cell phone is connected to. Both of which will be within 10-20 miles in urban and prob 50-100miles rural depen... | [] | [] | [
[]
] | ||
3n6or3 | What is the oldest portrait that we know of? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3n6or3/what_is_the_oldest_portrait_that_we_know_of/ | {
"a_id": [
"cvlbhcc"
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],
"text": [
"As of right now, [this] (_URL_0_) is the current record holder for oldest portrait, dating around 26,000 years old. "
]
} | [] | [] | [
[
"http://www.theguardian.com/science/2013/jan/24/ice-age-art-british-museum"
]
] | ||
3zeteb | 'making a murderer' controversy? | Could someone explain what's going on with this show? It seems like there's a huge controversy surrounding it. How come Anonymous got involved? Thank you. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3zeteb/eli5_making_a_murderer_controversy/ | {
"a_id": [
"cyli5p1"
],
"score": [
4
],
"text": [
"The basic story of the *Making a Murderer* documentary is that there's this guy (Steven Avery) that went to jail for 18 years for a crime he was eventually cleared for once new DNA testing was available. He's out for a few years, is possibly in ... | [] | [] | [
[]
] | |
3vq2ay | I came across an infographic marking and comparing the battles of the crusades vs those of the muslim conquests, how accurate is this? | The infographic: _URL_0_
I'm wondering how much truth there is to this and if it misrepresents anything. Is this comparison legitimate or is it missing important context or information? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3vq2ay/i_came_across_an_infographic_marking_and/ | {
"a_id": [
"cxpqcsk"
],
"score": [
7
],
"text": [
"That image is a still from this YouTube video, [Bill Warner, PhD: Jihad vs Crusades](_URL_3_). There have been several posts in this sub on the video and similar claims. Not discouraging further discussion here, but you can get started on these p... | [] | [
"http://i.imgur.com/bpnbqRI.jpg"
] | [
[
"https://www.reddit.com/r/AskHistorians/comments/2v3gn0/were_the_crusades_a_defensive_move/",
"https://www.reddit.com/r/AskHistorians/comments/1o3wwq/who_started_the_crusades_each_one/",
"https://www.reddit.com/r/AskHistorians/comments/2v7alt/given_the_recent_uptick_in_jihad_versus_crusade/",
"htt... | |
wqt7s | why is your credit score not usually free to find out? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/wqt7s/eli5_why_is_your_credit_score_not_usually_free_to/ | {
"a_id": [
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"c5framq"
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"score": [
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4,
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4,
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],
"text": [
"It is, I believe up to once a year or any time you're turned down for a credit applicati... | [] | [] | [
[],
[],
[
"https://www.annualcreditreport.com",
"http://www.ftc.gov/",
"http://www.ftc.gov/bcp/edu/microsites/freereports/index.shtml"
],
[],
[],
[],
[],
[
"annualcreditreport.com",
"www.annualcreditreport.com"
]
] | ||
fhazuf | I am an Indian living in South Africa during the Apartheid era. What is my financial, social, and political standing? | I understand that the Apartheid system divided South Africa into four racial groups: "Black", "White", "Coloured", and "Indian". While the vast majority of Apartheid coverage focused on the plight of the majority black population, what was life like for the Indian population during South Africa's Apartheid years? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fhazuf/i_am_an_indian_living_in_south_africa_during_the/ | {
"a_id": [
"fkb0uio"
],
"score": [
4
],
"text": [
"I'll mostly be drawing from Gavin Cawthra's Brutal Force: Apartheid War Machine for this answer. The situation of Indians during Apartheid can best be described as being \"privileged second class citizens\". As the National Party, and the Aparthe... | [] | [] | [
[]
] | |
sfwko | Are bi-racial kids less likely to have congenital diseases? | It seems to me that many recessive congenital diseases occur more frequently in certain populations. For example, cystic fibrosis occurs more frequently in people from Europe. And Sickle Cell anemia is found mostly in people of African descent. I'm not a scientist, but from what i've gathered, both of these diseases ap... | askscience | http://www.reddit.com/r/askscience/comments/sfwko/are_biracial_kids_less_likely_to_have_congenital/ | {
"a_id": [
"c4dphad"
],
"score": [
3
],
"text": [
"I don't know the answer to your question, but [this](_URL_0_) seems related. From the article:\n\n > Because [organ donor] matches are based on inherited tissue markers called human leukocyte antigens (HLAs), of which there are believed to be 5 ... | [] | [] | [
[
"http://www.washingtonpost.com/wp-dyn/content/article/2010/05/31/AR2010053102481.html"
]
] | |
1e645s | What is the quark configuration of a neutron in a neutron star? | I know that the quark configuration of a proton is two up-quarks and a down-quark, and that a neutron is an up-quark and two down-quarks. But, in a neutron star, my understanding is that there is so much pressure that it forces the protons and electrons together. Would the neutrons in a neutron star have the same quark... | askscience | http://www.reddit.com/r/askscience/comments/1e645s/what_is_the_quark_configuration_of_a_neutron_in_a/ | {
"a_id": [
"c9x6cou"
],
"score": [
3
],
"text": [
"The definition of a neutron is two down quarks and an up quark bound together. [A different set of quarks will give you a different baryon entirely](_URL_0_)."
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/List_of_baryons"
]
] | |
4fiaj6 | is the severity of the flooding in houston an example of the effects of climate change? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fiaj6/eli5_is_the_severity_of_the_flooding_in_houston/ | {
"a_id": [
"d2909w8",
"d290b5f",
"d29d1lg"
],
"score": [
4,
5,
2
],
"text": [
"It's difficult to attribute singular weather events to climate change. Rather climate change is more likely to be expressed as an increase of incidence of weather events that differ from what we conside... | [] | [] | [
[],
[],
[
"http://www.wxresearch.com/almanac/houflood.html"
]
] | ||
b302gy | What exactly happens when an acid touches something? Specifically, how does a protonation work and cause damage? | I was trying to find some stuff online and on here, but couldn't find much aside from mentions of Bronsted and Lewis acids (I think proton donation only happens with the former)? Thank! | askscience | https://www.reddit.com/r/askscience/comments/b302gy/what_exactly_happens_when_an_acid_touches/ | {
"a_id": [
"eixlebt"
],
"score": [
5
],
"text": [
"There are 3 types of acids:\n\n1. Arrhenius Acids release hydrogen ions (H^(+)) aka protons when in water. For example, take hydrochloric acid: HCl (aq) -- > H^(+) \\+ Cl^(-) (note that the proton is free in solution).\n2. Bronsted-Lowry Acids... | [] | [] | [
[
"https://i.imgur.com/Exz4NAG.png",
"https://i.imgur.com/7oSh75b.png"
]
] | |
3xf8yv | why do fighting sports divide themself based on the athlete's weight? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xf8yv/eli5_why_do_fighting_sports_divide_themself_based/ | {
"a_id": [
"cy44r0k",
"cy451v3"
],
"score": [
3,
5
],
"text": [
"So that lighter guys or girls don't get the shit beaten out of them by bigger brawlers. Your size is indicative of the amount of force you can generate and also your reach, so you can hit harder and hit them before they ge... | [] | [] | [
[],
[]
] | ||
6npqoo | why aren't we supposed to top off our gas at the gas station? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6npqoo/eli5_why_arent_we_supposed_to_top_off_our_gas_at/ | {
"a_id": [
"dkba11u",
"dkbatyu",
"dkd82dd"
],
"score": [
4,
2,
2
],
"text": [
"There are a few reasons, but the most like you're five answer is so that you don't spill. \n\nThere's a little tube inside the big nozzle that can tell when gas reaches the end of the tube. That last bi... | [] | [] | [
[],
[],
[]
] | ||
6u2vem | why do english voice actors sound so awkward when dubbing anime shows compared to voicing american cartoons or video games | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6u2vem/eli5why_do_english_voice_actors_sound_so_awkward/ | {
"a_id": [
"dlpglr6",
"dlph04j",
"dlpi5sn"
],
"score": [
3,
3,
3
],
"text": [
"A small part of it is when you're translating something a lot gets lost in it. Little social and cultural quirks that aren't shared by both societies can make translating weird.\n\nAlso note that anime ... | [] | [] | [
[],
[],
[]
] | ||
1hos9v | Would like a concise history of American imperialism since 1945? | Can anyone condense this period down for me or point me in the direction of a good read?
Specifically interested in S.America, middle east, Vietnam as well as it's influence in first world countries. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1hos9v/would_like_a_concise_history_of_american/ | {
"a_id": [
"cawfga6",
"cawfjvt",
"cawkhra"
],
"score": [
3,
15,
4
],
"text": [
"From the revisionist historiographical camp, the second volume of Walter LaFeber's \"[American Age](_URL_1_)\" provides a good overview of American foreign policy from 1896 to the present. It's very re... | [] | [] | [
[
"http://www.amazon.com/American-Age-Foreign-Present-Volumes/dp/0393964744/ref=sr_1_1?s=books&ie=UTF8&qid=1373037514&sr=1-1&keywords=the+american+age",
"http://www.amazon.com/American-Age-United-States-Foreign/dp/0393964760/ref=sr_1_5?s=books&ie=UTF8&qid=1373037514&sr=1-5&ke... | |
4ch3er | the origin of the bible and if there is any proof of it's events, places or people | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ch3er/eli5_the_origin_of_the_bible_and_if_there_is_any/ | {
"a_id": [
"d1if4j9"
],
"score": [
2
],
"text": [
"Over the last 50 years or so, the Bible's historical accuracy has taken a pounding. In the 60s-70s, the Mideast was opened more to archaeological exploration that that didn't have some sort of religious basis, and so independent scientists starte... | [] | [] | [
[]
] | ||
3o9hcg | why are all big trucks and tractors diesel? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3o9hcg/eli5_why_are_all_big_trucks_and_tractors_diesel/ | {
"a_id": [
"cvv5s5h",
"cvv61j4"
],
"score": [
2,
7
],
"text": [
"Mostly economy. Diesel gets better mileage.\n\nThere are other reasons - a diesel engine lasts for years - generally much longer than petrol engines. Also they produce a lot more torque at low revs which is what truck driver... | [] | [] | [
[],
[]
] | |
5v26ak | what is the difference between a get request and a post in html? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5v26ak/eli5_what_is_the_difference_between_a_get_request/ | {
"a_id": [
"ddyondh",
"ddypslu",
"ddyynec"
],
"score": [
2,
2,
4
],
"text": [
"Not really an HTML thing but I get what you are going for. In REST API you have a few \"verbs\". Verbs, just like in spoken/written language represent an action. \n\nSimply put \"GET\" is reading data w... | [] | [] | [
[],
[
"something.com/index.php?getvariable=value"
],
[]
] | ||
fe313 | How far away from a blue giant star would a planet have to be to be in a habitable zone? | askscience | http://www.reddit.com/r/askscience/comments/fe313/how_far_away_from_a_blue_giant_star_would_a/ | {
"a_id": [
"c1f8elt",
"c1f8rau"
],
"score": [
5,
4
],
"text": [
"Let me do the math...\n\nBlue giants have 10000 times the luminosity of the sun, according to Wikipedia. Intensity falls off as the square of distance. That means that if a planet was 100 times as far away as the Earth is fr... | [] | [] | [
[],
[]
] | ||
qhkfu | why i can hear static of the tv in another room? | So technically, this is ExplainLikeI'mThirteen, but why when I'm in a different room, or if the Tv is just at 1 Volume, I can tell it's on because I hear a static-like sound? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qhkfu/eli5_why_i_can_hear_static_of_the_tv_in_another/ | {
"a_id": [
"c3xp3cz",
"c3xpjhk"
],
"score": [
2,
2
],
"text": [
"The [Flyback Transformer](_URL_0_) in a CRT (old-style big TV) operates at high frequencies, something like 15khz - plenty audible to pretty much everyone. It's the same effect that causes you to hear \"mains hum\" near norm... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Flyback_transformer"
],
[]
] | |
1q92ff | why do humans cry, with tears and loud sobbing noises, when they are sad? why don't other animals do this when they're sad? | What do the tears have to do with being sad and what is the point in the noises? Also, Why does my chest hurt when I think about something really sad, even if I'm not crying? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q92ff/eli5_why_do_humans_cry_with_tears_and_loud/ | {
"a_id": [
"cdafc7d",
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"cdai7ah",
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"cdaisvs",
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"cdawsig",
"cdaxczt"
],
"score": [
3,
39,
23,
414,
2,
12,
78,
6,
... | [] | [] | [
[
"http://www.huffingtonpost.com/2013/02/04/why-do-we-cry-when-were-sad_n_2583885.html"
],
[],
[],
[],
[],
[
"http://youtu.be/QGdHJSIr1Z0"
],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
1swcag | what does the nike fuelband, fitbit, or other exercises bracelets do? | I've read up on each of them, but I just don't understand why an exerciser would want one. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1swcag/eli5_what_does_the_nike_fuelband_fitbit_or_other/ | {
"a_id": [
"ce1uvdi"
],
"score": [
2
],
"text": [
"to keep tabs on themselves. read as \"to fill the need for measuring every step; a need nike has created and told them must be filled.\""
]
} | [] | [] | [
[]
] | |
38evt4 | "v-sync" in reference to video games. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38evt4/eli5_vsync_in_reference_to_video_games/ | {
"a_id": [
"cruhozb",
"cruhx58",
"crumayj"
],
"score": [
7,
2,
2
],
"text": [
"Your monitor refreshes at a certain speed (usually 60Hz or 120Hz). The game updates at a different speed (the framerate, which can very depending on your card). If the game is updating faster than the m... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Screen_tearing"
],
[],
[]
] | ||
7k3f7m | why does olive oil have 100+ calories per serving and olive oil cooking spray have 0? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7k3f7m/eli5_why_does_olive_oil_have_100_calories_per/ | {
"a_id": [
"drb957r",
"drb9c8g"
],
"score": [
2,
9
],
"text": [
"Because the amount of spray oil you apply is negligible, while a \"serving\" of olive oil, as dip, in salad dressing, or cooking, is not.",
"For the same reason that a Tic-Tac which is 100% sugar can be sold as sugar fre... | [] | [] | [
[],
[]
] | ||
5t1qe0 | why are car batteries lead-acid monstrosities and not cutting edge 18650's cells? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5t1qe0/eli5_why_are_car_batteries_leadacid_monstrosities/ | {
"a_id": [
"ddjg0uf",
"ddk0do9"
],
"score": [
11,
2
],
"text": [
"The cost is way lower.\n\nBoth initial cost, and also in service lifetime over endless recharge cycles.",
"Lithium-ion batteries have an energy density that is 3-5 times higher than lead-acid batteries. However, lead-ac... | [] | [] | [
[],
[]
] | ||
2i9bwu | what is the difference between coke and pepsi? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2i9bwu/eli5_what_is_the_difference_between_coke_and_pepsi/ | {
"a_id": [
"cl01u1u",
"cl01yxf",
"cl02bm1",
"cl05bfe"
],
"score": [
4,
2,
2,
2
],
"text": [
"They're made by different companies & they taste different. Take $2 and go buy a can of each and taste it for yourself.",
"Pepsi is noticeably sweeter, coke has a little mor... | [] | [] | [
[],
[],
[],
[]
] | ||
13uxmy | If you leave something in the freezer for 3 years vs. 1 day, will they thaw at the same rate? | askscience | http://www.reddit.com/r/askscience/comments/13uxmy/if_you_leave_something_in_the_freezer_for_3_years/ | {
"a_id": [
"c77dsb0"
],
"score": [
8
],
"text": [
"If the food item is frozen completely after a day, and that there is no chemical or physical change from storing the item for 3 years, then they will thaw at the same rate."
]
} | [] | [] | [
[]
] | ||
2w3qn8 | What is the noise made by electric motors (in cars, trams, etc.)? | You can hear it if you watch any video of a Tesla being accelerated. What mechanism produces that distinctive rising whir? | askscience | http://www.reddit.com/r/askscience/comments/2w3qn8/what_is_the_noise_made_by_electric_motors_in_cars/ | {
"a_id": [
"conuzcz",
"cooe79f"
],
"score": [
3,
2
],
"text": [
"The rotor still has to be supported by bearings which means there are still moving parts rubbing against each other making sound. Also, I don't know so much about electric cars, but industrial electric motors often have a fa... | [] | [] | [
[],
[
"http://www.walkermagnet.com/lifting-magnets-electromagnets-ce-series.htm"
]
] | |
1ufwek | if depression is a chemical imbalance, then were my chemicals balanced once i "got over" my depression? | I used to suffer from depression and anxiety, especially about a year ago, when I was having suicidal thoughts. I have never taken a drug for those problems, nor did I see a therapist, but I did read a lot of philosophy, which eventually led to me being the happiest me I've ever been. When my perspective on life change... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ufwek/eli5_if_depression_is_a_chemical_imbalance_then/ | {
"a_id": [
"ceht4im"
],
"score": [
3
],
"text": [
"The chemical imbalance thing is a bit of a myth. Pharmaceutical companies use it to make you believe your depression can get fixed by buying their pills to fix the chemical imbalance when in truth it is much more complicated than that and antide... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Chemical_imbalance",
"http://www.thestar.com/news/insight/2013/10/18/mental_illness_is_chemical_imbalance_theory_a_myth.html",
"http://www.plosmedicine.org/article/info:doi/10.1371/journal.pmed.0020392"
]
] | |
83mm9x | why does north america have an obsession with grass/lawn's? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/83mm9x/eli5_why_does_north_america_have_an_obsession/ | {
"a_id": [
"dvixrgq",
"dviz9sy"
],
"score": [
4,
2
],
"text": [
"I don’t think it’s just a North American thing. It’s often about “keeping up appearances “ - like ironed shirts, polished shoes, etc. Tells everyone “we’ve got our shit together”.",
"We don't want to live in the middle o... | [] | [] | [
[],
[]
] | ||
3sa26y | social "safe zones" on college campus' | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3sa26y/eli5_social_safe_zones_on_college_campus/ | {
"a_id": [
"cwvcj49",
"cwvefba",
"cwvewnv",
"cwvfgb5",
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"cwvy4r0",
"cwvyefv"
],
"score": [
39,
108,
9,
8,
6,
3,
5,
2
],
"text": [
"Recent students feel it is the college's job to ensure that every student is protected fr... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"https://www.youtube.com/watch?v=sXQkXXBqj_U"
]
] | ||
3hbemp | If you painted something "true black" (i.e. absorbs all light) would you only be able to see the object in silhouette? | I'm curious since the color black releases minimal amounts of light, hence why it is black, would it be possible to have such a deep black color that it absorbs all the light and doesn't reflect any back. Also, would that mean that we could only see that object's edges, but no definition of the object since it isn't re... | askscience | http://www.reddit.com/r/askscience/comments/3hbemp/if_you_painted_something_true_black_ie_absorbs/ | {
"a_id": [
"cu5x4rc",
"cu5yfzx",
"cu63q7r",
"cu6dahb"
],
"score": [
133,
64,
2,
2
],
"text": [
"If by \"see\" you mean see with our naked eye, then yes, a truly black object (i.e. a perfect absorber) would look... well black, meaning that no photons would be reflected from... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/c/cf/Ir_girl.png",
"https://en.wikipedia.org/wiki/Kirchhoff%27s_law_of_thermal_radiation",
"http://en.citizendium.org/images/b/b6/Blackbody_300k.png",
"https://upload.wikimedia.org/wikipedia/commons/1/19/Black_body.svg",
"https://en.wikipedia.org... | |
3wbra7 | what's going on in this gif of snake venom being added to blood? | [So this gif showed up](_URL_0_) on r/interestingasfuck. It's probably not safe for lunch.
I'm trying to imagine this going on inside your body when a venomous snake bites you. What processes are going on to make this happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wbra7/eli5_whats_going_on_in_this_gif_of_snake_venom/ | {
"a_id": [
"cxuzqpq",
"cxuztk0",
"cxv0d99"
],
"score": [
2,
3,
3
],
"text": [
"This specific type of snake venom basically clogs up the proteins in your blood, leading to clots of blood in your veins. This basically stops your blood circulatory and will probably lead to death.",
... | [] | [
"https://www.reddit.com/r/interestingasfuck/comments/3wan7u/what_snake_venom_does_to_blood_xpost/"
] | [
[],
[],
[]
] | |
18znxs | During the Vietnam War, were there any Americans who volunteered to fight with North Vietnam? | The thought came to me from seeing
[this](_URL_1_) image on wiki, which is purported to be a student carrying a Vietnamese flag, and a quick google search found [more such things](_URL_0_).
I also read (in a book called *Panther Baby* by Jamal Joseph), that the Black Panthers promised to send troops to North Vietnam,... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/18znxs/during_the_vietnam_war_were_there_any_americans/ | {
"a_id": [
"c8jfl5y",
"c8jmj9i"
],
"score": [
18,
8
],
"text": [
"Yes, there were plenty of protesters who carried VC flags all over the world. Not an uncommon sight at anti-war protests. \n\nHowever, there are no records or accounts of any American citizen in active combat duty with the ... | [] | [
"https://www.google.com/search?hl=en&site=&tbm=isch&source=hp&biw=1920&bih=955&oq=vietcong+flag+&gs_l=img.3...81.1407.0.1630.14.11.0.0.0.0.153.1042.8j3.11.0...0.0...1ac.1.4.img.nyO3W_sIw0E&q=vietcong%20flag#hl=en&tbm=isch&sa=1&q=vietcong+flag+in+protests&oq=vietcong+f... | [
[],
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"http://www.youtube.com/watch?v=FTZDGS0ABt8",
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1ay4wb | what is the point of money? | I don't understand how money works. It's physically almost completely worthless until we write a number on it and then it becomes worth that. We are just giving a worthless item an imaginary unit that everyone decides to follow. It just seems confusing to me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ay4wb/eli5_what_is_the_point_of_money/ | {
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"It facilitates trade.\n\nI want apples, but have oranges.\n\nYou want oranges, but want bananas.\n\nJim wants bananas and has apples.\n\nNone of us can make a deal we want by deal... | [] | [] | [
[],
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16kboj | why is there a debt 'limit' in the first place if it constantly gets raised anyways, effectively making it useless. its only function seems to be to cause some media hype every time the us is closing in on it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16kboj/why_is_there_a_debt_limit_in_the_first_place_if/ | {
"a_id": [
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"text": [
"It was in fact specifically created to cause some media hype every time the US closes in on it. There's no other possible function; we can't just decide to stop running the government because some number is higher than some ... | [] | [] | [
[],
[]
] | ||
52wsat | In a universe with Electrons, how stable are nuclei? | EDIT: damn you autocorrect! A universe WITHOUT electrons!
Nuclei are held together by the residual strong force, yes. But in a universe that has, for mysterious magic reasons, become devoid of electrons, would nuclei remain as stable as they would have with orbiting electrons?
I know that the nucleus basically has n... | askscience | https://www.reddit.com/r/askscience/comments/52wsat/in_a_universe_with_electrons_how_stable_are_nuclei/ | {
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"There are a few decay processes, mainly electron capture, that involve shell electrons interacting with the nucleus to induce decay. This would not happen without electrons. However, in your scenario, what happens when an un... | [] | [] | [
[],
[]
] | |
n7raa | Is the calorie content of a cooked meal equal to the sum of its parts? | In cooking, several items greatly change in their properties, do their calorie contents ever change? | askscience | http://www.reddit.com/r/askscience/comments/n7raa/is_the_calorie_content_of_a_cooked_meal_equal_to/ | {
"a_id": [
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"text": [
"[this](_URL_0_) addresses that question and was on the front page the other day.\n\nThe TL;DR is that cooking alters the structure of a lot of the molecules, especially starches and proteins, uncoiling them and making them ... | [] | [] | [
[
"http://blogs.discovermagazine.com/crux/2011/12/08/why-calorie-counts-are-wrong-cooked-food-provides-a-lot-more-energy/"
],
[
"http://blogs.discovermagazine.com/crux/2011/12/08/why-calorie-counts-are-wrong-cooked-food-provides-a-lot-more-energy/"
]
] | |
1qhn91 | what exactly is buying debt, and how did occupy wall street just do it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qhn91/eli5what_exactly_is_buying_debt_and_how_did/ | {
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"When banks or whoever else might have a bunch of people owing them money decide that they're never going to see enough money from the debtees for it to be worth it - so basically... | [] | [] | [
[],
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[],
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2ynuxq | what happens to medicine that is past its expiration date? is it stronger, weaker, or different somehow? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ynuxq/eli5_what_happens_to_medicine_that_is_past_its/ | {
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"Most of them will lose potency after it expires, although this is a gradual process and the expiration date is when the drug lose enoug... | [] | [] | [
[],
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[],
[],
[],
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"http://en.wikipedia.org/wiki/Fanconi_syndrome"
]
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2ic52v | Were there any cases in history where a nation fully changed it's language peacefully without colonization? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ic52v/were_there_any_cases_in_history_where_a_nation/ | {
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"Not historian, but I know of several cases:\nMost language changes are actually coming from a will to come back to a past; therefore we have Israel and Hebrew, Ireland and Irish. They changed their language and began speakin... | [] | [] | [
[],
[
"http://www.reddit.com/r/AskHistorians/wiki/rules#wiki_no_.22in_your_era.22_or_.22throughout_history.22_questions"
]
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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 | http://www.reddit.com/r/askscience/comments/19nuxz/how_many_notable_science_experiments_have_gone/ | {
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"I suppose you could call spaceflight, especially in the early days, highly experimental, and there have been a number of missions that led to loss of life.\n\nAnd Marie Curie died ... | [] | [
"http://en.wikipedia.org/wiki/Franz_Reichelt"
] | [
[],
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"http://en.wikipedia.org/wiki/Demon_core"
],
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7jvf5t | why aren't faucet pipes straight? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7jvf5t/eli5why_arent_faucet_pipes_straight/ | {
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"text": [
"Well, for THAT pipe I would imagine the bend helps slow the waterfall so it doesn't splash too much. But for the ones with the S-bend, like in the USA and other places, it traps water so smells and gas doesn't come back up the pipes."
]
} | [] | [] | [
[]
] | ||
2ziq8y | how do djs work together to form collaborative music? | It's easy to understand for vocalists, because they would be singing different parts of the song; I'm not sure for DJs though. Do they just do different songs and put them in the same mixtape, actually mix together in the studio, or break the songs into parts than try and blend them?
I'm using the new Jack Ü project ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ziq8y/eli5_how_do_djs_work_together_to_form/ | {
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"text": [
"No one else has an answer, I'll give it my best shot. Every producer or DJ uses a DAW. A digital audio workstation. It contains synths, keyboards, everything you need to make a full blown electronic song. Some you can... | [] | [] | [
[],
[]
] | |
3gfupi | If the first humans started in Africa, why did civilizations flourish outside of Africa? | Didn't Africa have its own land to start a civilization? Such as costal areas? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3gfupi/if_the_first_humans_started_in_africa_why_did/ | {
"a_id": [
"ctxso8q",
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"score": [
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"text": [
"What makes you think Africa didn't? The Sahel, Ethiopia, and the Nile region were all hotbeds of civilization. ",
"Is it possible that there were more in the way of civilization in Africa, earlier in history, that have ... | [] | [] | [
[],
[]
] | |
36gx55 | If a cell receives a signal to produce certain protein, are genes inherited from both of my parents used simultaneously? Or is one or the other picked randomly each time? | askscience | http://www.reddit.com/r/askscience/comments/36gx55/if_a_cell_receives_a_signal_to_produce_certain/ | {
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"text": [
"It depends on the gene in question! Control of gene expression is at an individual level and a wide range of mechanisms are involved, but often (for humans I think it would be accurate to say *usually*), both parental copies are expressed. Then d... | [] | [] | [
[
"http://www.nature.com/npp/journal/v38/n1/full/npp201285a.html"
]
] | ||
jhfxw | elia5: the origins/history of the bible | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jhfxw/elia5_the_originshistory_of_the_bible/ | {
"a_id": [
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"text": [
"Along time ago (1500 bc) there was a tribe of semitic people in the middle east called the Hebrews. The Hebrews, like all tribes everywhere, had a whole bunch of creation myths and stories that got passed on by word of mou... | [] | [] | [
[],
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mogeg | What were the arguments for geocentricity when heliocentricity came up for debate? | The current opponents of the 'controversy of Evolution' are the same people who, several hundred years ago, would have opposed heliocentricity.
I'm looking for a context to see how exactly that front failed...
What arguments did these people put up back *then* to support their beliefs? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/mogeg/what_were_the_arguments_for_geocentricity_when/ | {
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"text": [
"There was a lot of \"But Aristotle said...\". One of the more relevant empirical arguments was that if you throw a ball off of a tower, it doesn't move sideways, which proves the... | [] | [] | [
[],
[],
[],
[]
] | |
79vlnv | What was Oswald Mosley's "riotous act of retaliation" that got him expelled from military college? | There seems to be no evidence of this anywhere. Anytime I google it, it simply returns me to the wikipedia page or articles that are simply not about Oswald Mosley.
> In January 1914, he entered the Royal Military College, Sandhurst, but was expelled in June for a "riotous act of retaliation" against a fellow stude... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/79vlnv/what_was_oswald_mosleys_riotous_act_of/ | {
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" > There seems to be no evidence of this anywhere.\n\nThe Wikipedia article sources that claim to Philip Rees' *Biographical Dictionary of the Extreme Right Since 1890*. I haven't got access to that particular work right now, but you could try o... | [] | [] | [
[]
] | |
8hgxov | why do artist still release singles? especially now that with streaming services, you can buy/listen to individual songs. | Especially when a single releases after the release of an album. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8hgxov/eli5_why_do_artist_still_release_singles/ | {
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"text": [
"Publicity mainly. Big singles generate buzz for artists in the run up to an album release and can pump up sales.",
"Publicity, plus the music business h... | [] | [] | [
[],
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34ghhp | why do baby carrots split when they get dry in the fridge? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34ghhp/eli5_why_do_baby_carrots_split_when_they_get_dry/ | {
"a_id": [
"cquggj4"
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"text": [
"I would guess that the carrot is losing moisture unevenly, probably from the outside in. The stress that builds up as some parts of the carrot shrink faster than others would cause it to split, relieving the tension."
]
} | [] | [] | [
[]
] | ||
54o1rw | what is the difference between an alternator and a generator in a car? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54o1rw/eli5_what_is_the_difference_between_an_alternator/ | {
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"text": [
"An alternator is a type of generator that lacks a commutator and only produces AC power. Generators can be built to produce either AC or DC power.",
"Permanent magnets versus electromagnets. \n\nAlternators use electrom... | [] | [] | [
[],
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1yfp03 | Acid+Water=Heat (and some other chemicals), so why isn't a lot of heat released when I drink water? | If the pH of the human stomach is 1-3, why doesn't the water that I drink react with the HCl that is in my stomach the same way that it does in chemistry class (releasing a bunch of heat). Is the HCl already dissociated, so there are no new bonds being broken/formed? If thats the case, wouldn't that change depending on... | askscience | http://www.reddit.com/r/askscience/comments/1yfp03/acidwaterheat_and_some_other_chemicals_so_why/ | {
"a_id": [
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"Yes, the HCl is fully dissociated. Keep in mind what it means for a solution of HCl to be pH 1-3: let's say it's pH 2. That means that -log[H+] = -2, or [H+] = 0.01M. With a molecular weight of 38 for HCl, that's 0.38g/1000g... | [] | [] | [
[],
[]
] | |
1ty178 | Why is "Cold Fusion" regarded as such a taboo subject in science? Is there such a law in physics that prevents this from ever happening? | askscience | http://www.reddit.com/r/askscience/comments/1ty178/why_is_cold_fusion_regarded_as_such_a_taboo/ | {
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"Mainly because there have been a few examples where something is widely hyped and then is shown to be either wrong or fraudulent. Notably, Ponz and Fleischman in the 1980s.",
"Cold fusion itself does not *necessarily* ru... | [] | [] | [
[],
[
"http://iopscience.iop.org/0305-4470/39/17/S25/",
"http://adsabs.harvard.edu/abs/2003APS..DPPGM1001I"
]
] | ||
4bz6cf | where is voyager 1 now and do they actually recieve much data from it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bz6cf/eli5_where_is_voyager_1_now_and_do_they_actually/ | {
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"text": [
"Voyager 1 is currently 20,077,434,531 km from the earth and decreasing (as the earth is currently orbiting towards voyager faster than voyager is traveli... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/9/98/Voyagers_Position.jpg"
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[],
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"https://twitter.com/NSFVoyager2"
],
[
"http://news.discovery.com/space/voyager-probes-found-in-online-elite-dangerous-universe-141231.htm"
],
[]
] | ||
e3ar41 | Was Iron introduced to Hittites by Indians? | _URL_0_
Recent archaeological evidence suggests that Iron was used as weapons by south indians as early as 2200 BC which is almost a thousand years older than Hittites and other civilisations! There is also evidence that military elite Mitanni migrated from east to northern Iraq in 2nd millenium BC and entered agreeme... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/e3ar41/was_iron_introduced_to_hittites_by_indians/ | {
"a_id": [
"f921eo0"
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"score": [
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"text": [
"In a word, no. Iron-working is attested as early as the 3rd millennium BCE in Anatolia. I wrote about this in [To what extent did the Hittites make use of iron?](_URL_0_)"
]
} | [] | [
"https://www.ancient-origins.net/news-history-archaeology/discovery-ancient-indian-daggers-may-push-back-start-iron-age-020352"
] | [
[
"https://www.reddit.com/r/AskHistorians/comments/85e0he/to_what_extent_did_the_hittites_make_use_of_iron/dvxdgt3/"
]
] | |
78d9bz | do multivitamins and omega-3 pills actually do anything? or is it more of a placebo-type thing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/78d9bz/eli5_do_multivitamins_and_omega3_pills_actually/ | {
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"Yes they help, but it’s obviously way better to eat a balanced, nutritious diet. It can’t hurt (if you take the r... | [] | [] | [
[],
[],
[],
[],
[],
[
"https://gimletmedia.com/episode/vitamins-supplements-worth/"
],
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"https://www.supertracker.usda.gov/default.aspx"
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f7jwr | What is this an animation of? | askscience | http://i.imgur.com/cbDzf.gif | {
"a_id": [
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"score": [
3
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"text": [
"It's a [hydrogen orbital](_URL_0_). From the pictures on that page I think it's the 3d orbital. \n\n**edit** Even better, [the visualisation software page they link to from there](_URL_1_) shows exactly the picture you've submitted. \n\n**another... | [] | [] | [
[
"http://www.smjuhsd.k12.ca.us/~jrucker/cp/cpnotes12.html",
"http://daugerresearch.com/orbitals/index.shtml",
"http://daugerresearch.com/orbitals/Orbital.320.small.gif"
]
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bkr9nk | what mechanical aspyhxiation means | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bkr9nk/eli5_what_mechanical_aspyhxiation_means/ | {
"a_id": [
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"text": [
"Snakes wrap around the chest, where the lungs are, but that's how it works. In the case of this guy, he couldn't breathe because he was in a choke hold, and this had the same net effect (keeping him from breathing).",
"M... | [] | [] | [
[],
[]
] | ||
549yzg | What made farming, with the grindingly hard work it requires, appeal to hunter-gatherers? | Page 19 of the History Book (published by Penguin Random House) states:
The hunter-gatherer lifestyle, which can reasonably be described as "natural" to human beings, appears to have had much to recommend it. Examination of human remains from early hunter-gatherer societies has suggested that our ancestors usually enj... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/549yzg/what_made_farming_with_the_grindingly_hard_work/ | {
"a_id": [
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"text": [
"The evidence these days actually suggests that settled villages appeared first and that agriculture developed as a method to allow larger groups of people to live together for longer periods of time.\n\nThis means that the real question is, why ... | [] | [] | [
[]
] | |
4jtox9 | Was Assualt illegal during 1770 in the colonies? | I am reading up on the Boston Massacre, and one tidbit that I have read is that the whole event started with a group of boys harrassing a British soldier, and he, in turn, smacked one of them with the butt of his musket. Was this illegal? Should he have been on trial for this action alone? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4jtox9/was_assualt_illegal_during_1770_in_the_colonies/ | {
"a_id": [
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"text": [
"I just want to clarify something before I answer. Are you curious about civilians assaulting civilians, or (potential) assaults involving British military personnel? (The answers are quite different)",
"Considering how ... | [] | [] | [
[],
[]
] | |
4wh8d6 | how does water get transported from the stomach/intestines to blood stream? | My wife and I were trying to decide if it was broken into specific molecules or if it streams or what, and then the blood stream takes it around? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4wh8d6/eli5_how_does_water_get_transported_from_the/ | {
"a_id": [
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"text": [
"The inside of your intestines is made of a semi-permeable membrane - only certain molecules can pass through. Think of it like an air filter, but with molecule-sized holes. Water, being a pretty small molecule, can fit throu... | [] | [] | [
[],
[
"http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion/smallgut/absorb_water.html"
]
] | |
4bawi8 | How did Nixon and Kennedy's friendship affect their politics? How did they become friends, for that matter? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4bawi8/how_did_nixon_and_kennedys_friendship_affect/ | {
"a_id": [
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"Well, it's important to remember that Kennedy and Nixon weren't all that ideologically different from each other, at least in the late 40s and early 50s. Both men were centrists and pragmatists at heart, both men were hawkish internationalists, b... | [] | [] | [
[]
] | ||
14sysz | Why did the United States have to get involved in the Bosnian War? | Where was the European Union in this? Did the Bosnian War cause a positive view of American military abroad that was then lost during Operation Iraqi Freedom? I'm just confused as to why the U.S. had to intervene when many of the top ten militaries of the world are next door to to Bosnia and Herzgevonia. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/14sysz/why_did_the_united_states_have_to_get_involved_in/ | {
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"text": [
"You might also be interested in [this thread](_URL_0_).",
"The EU is a economic union, not a military one. It also was not formed till 1993 though it had precursor groups that existed since the 50s.... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/12igv2/who_did_the_usnato_support_in_the_bosnian_war/"
],
[],
[]
] | |
33u3cy | why do we see fruits growing in the wild but never any vegetables? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33u3cy/eli5_why_do_we_see_fruits_growing_in_the_wild_but/ | {
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],
"text": [
"You probably do, but you don't recognise them. Vegetables look like they do because they... | [] | [] | [
[
"http://www.dorsetnature.co.uk/images/wildflower/wf-04a2.jpg",
"http://www.ijdvl.com/articles/2011/77/6/images/ijdvl_2011_77_6_731_86511_f2.jpg"
],
[
"http://en.wikipedia.org/wiki/Vitis_mustangensis",
"http://cipotato.org/potato/wild-species/",
"http://en.wikipedia.org/wiki/Allium_drummond... | ||
13k8kz | Why didn't Bangladesh accede to India after the 1971 war? | India and Pakistan fought a war in 1971 over Bangladesh. After the war why did Bangladesh choose to remain independent and not accede to India? Could India have annexed Bangladesh? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/13k8kz/why_didnt_bangladesh_accede_to_india_after_the/ | {
"a_id": [
"c74qdox"
],
"score": [
6
],
"text": [
"The war was mainly for the purpose of Bangladesh's independence, so annexing Bangladesh would have basically defeated the purpose of the war. Also, as I said it was not a war between India and Pakistan \"over\" Bangladesh, they weren't fighting o... | [] | [] | [
[]
] | |
6k9dnk | the loud buzz when you plug a cable into a sound system? | Especially when the volume knob is turned high. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6k9dnk/eli5_the_loud_buzz_when_you_plug_a_cable_into_a/ | {
"a_id": [
"djkfktd"
],
"score": [
2
],
"text": [
"I'm going to go out on a limb and say that it's something like the signal arcing. So just before it's seated nicely there will be what's basically a loose connection, so you'll get a momentary spark or a sudden chaotic signal that the speakers w... | [] | [] | [
[]
] | |
2l0klg | Why are heaters and AC units measured in units of energy (BTU) and not units of power (W)? | Measuring a heater in energy makes more intuitive sense in my mind, as you are measuring how much heat energy you are dumping into the room every second. However, heaters and AC units are measured in units of energy. | askscience | http://www.reddit.com/r/askscience/comments/2l0klg/why_are_heaters_and_ac_units_measured_in_units_of/ | {
"a_id": [
"clqob10",
"clqokjh"
],
"score": [
3,
2
],
"text": [
"My phone says there are other comments, I don't see them though. \n\nI don't know why on earth you would measure anything in BTU. In continental Europe we measure energy in Joule or (k)Wh and power in Watts. My heater conven... | [] | [] | [
[],
[]
] | |
aweysf | how can some states have zero income and/or sales tax? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aweysf/eli5_how_can_some_states_have_zero_income_andor/ | {
"a_id": [
"ehm2le8",
"ehm3ffq",
"ehm3o3m",
"ehm9wa4"
],
"score": [
3,
3,
11,
2
],
"text": [
"Generally if they have no sales tax, they get the revenue from elsewhere. For example, Delaware has no sales tax, but there are a large number of tolled roads. (There's a joke tha... | [] | [] | [
[],
[],
[],
[]
] |
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