q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
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value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
8q459t | if blood rushing to areas of our bodies that have been injured is how we heal, why do cold compresses help this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8q459t/eli5_if_blood_rushing_to_areas_of_our_bodies_that/ | {
"a_id": [
"e0gb03u"
],
"score": [
5
],
"text": [
"Cold compresses do not help with healing, they reduce swelling which can make the injury more pleasant. It is like taking a painkiller, we don't do that to make the wound heal faster."
]
} | [] | [] | [
[]
] | ||
1y80k8 | why do italian courts think amanda knox is guilty? | As far as I can tell, in American courts, there would be reasonable doubt and she would be acquitted, maybe not even prosecuted in the first place. Does the Italian judicial system do business differently? Is there something else I'm not getting? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1y80k8/eli5_why_do_italian_courts_think_amanda_knox_is/ | {
"a_id": [
"cfi6qlk",
"cfigqsa"
],
"score": [
4,
2
],
"text": [
"You're not getting the fact that the Italian courts determined beyond any doubt that she is guilty and what you're hearing from the media is just American propaganda.",
"I'm the OP. NOT explained. NOT discussed very thou... | [] | [] | [
[],
[]
] | |
4mdq1k | if sand is eroded rock, why does melting rock give you lava, but melting sand give you glass. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4mdq1k/eli5_if_sand_is_eroded_rock_why_does_melting_rock/ | {
"a_id": [
"d3un7hb",
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"score": [
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44,
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628,
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"text": [
"Not all eroded rock becomes sand. Most of it become mud and silt. But quartz and feldspar... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Soda-lime_glass"
]
] | ||
asiyzk | what is the purpose of colored dots on the backs of plastic packaging? | Like on the backs of plastic trail mix bags for example. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/asiyzk/eli5_what_is_the_purpose_of_colored_dots_on_the/ | {
"a_id": [
"eguo98i",
"eguojo9",
"eguot22"
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"score": [
7,
4,
12
],
"text": [
"Bags are printed one color at a time. You will notice that those colors are the only colors on the bag . They make sure the colors are lined up on the bag. Then if the Cheetos don’t look right they ca... | [] | [] | [
[],
[],
[]
] | |
3kj64k | why is everyone panicking and sorta jumping to some kind of financially doomsday because china is dumping us debt? and who is buying us treasury holdings from its hand? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3kj64k/eli5_why_is_everyone_panicking_and_sorta_jumping/ | {
"a_id": [
"cuxx5ob",
"cuxzlnv",
"cuy7ctg",
"cuyao9r",
"cuycjs3"
],
"score": [
218,
13,
3,
3,
4
],
"text": [
"Because there is a persistent myth that the US owes most of their debt to China, and China can cut the US off at a whim.\n\nThe buyers are people who might... | [] | [] | [
[],
[
"http://www.cnbc.com/2015/09/03/us-crude-nudges-higher-on-weaker-dollar.html",
"http://www.telegraph.co.uk/finance/11805523/Doomsday-clock-for-global-market-crash-strikes-one-minute-to-midnight-as-central-banks-lose-control.html",
"http://oilprice.com/Energy/Energy-General/100000-Layoffs-and-Cou... | ||
xtnjc | how do text short codes work on cell phones? | I hear all the time on the radio to send a text to a 5 or 6 digit number. But in the US, phone numbers are 10 digits long. How can the message be delivered when you don't have enough numbers? How do these short codes work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/xtnjc/eli5_how_do_text_short_codes_work_on_cell_phones/ | {
"a_id": [
"c5ph1xz",
"c5piry4"
],
"score": [
2,
2
],
"text": [
"It's not necessary to have 10 digits. The reason why there are 10 digits is so that there will be enough numbers for everyone in the country.\n\nThose 5 digit numbers are special ones so that they can be easily remembered by... | [] | [] | [
[],
[]
] | |
9xnk9l | why there aren’t hot air blowers for snow removal | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9xnk9l/eli5_why_there_arent_hot_air_blowers_for_snow/ | {
"a_id": [
"e9tllsh",
"e9tlmaf",
"e9tmlqp",
"e9tmlzn"
],
"score": [
7,
2,
2,
2
],
"text": [
"Snow melts into water, which freezes into ice. Ice is slippery, more dangerous than snow.\n\nAlso, heating elements are *very* energy inefficient. The alternative is infrared, whic... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Snowmelt_system"
],
[]
] | ||
6w9tp2 | why does it seem like most teaching is done 'out of order', when compared to history? | For example, in music theory, you are usually the chromatic and diatonic scales, and told that it wraps around. I would always have the question why it wraps around, until I googled it myself. Turns out it has to do with frequencies and ratios, which was the thing that founded music theory. Why is this usually not ment... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6w9tp2/eli5_why_does_it_seem_like_most_teaching_is_done/ | {
"a_id": [
"dm6f7l6",
"dm6uo0o"
],
"score": [
5,
2
],
"text": [
" > Let us discover theory the same way it was discovered in the first place.\n\nOften times, the way it was learned historically is not the most efficient way to teach it. A lot of times, something was discovered, and the b... | [] | [] | [
[],
[]
] | |
9e5vsj | when you donate to a companies charity do they just use it for tax write-offs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9e5vsj/eli5_when_you_donate_to_a_companies_charity_do/ | {
"a_id": [
"e5mc2ax"
],
"score": [
2
],
"text": [
"Nope they can only take what they give off their taxes, but they do add yours and theirs for the news release that says how much they gave to charity. "
]
} | [] | [] | [
[]
] | ||
3xdwvc | what's the difference between reald 3d & imax 3d? | ...and why does IMAX look/feel so much better? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xdwvc/eli5_whats_the_difference_between_reald_3d_imax_3d/ | {
"a_id": [
"cy3smdv"
],
"score": [
3
],
"text": [
"IMAX uses a different polarization technique (linear vs circular). RealD 3D can tolerate a lot more head movement, while with IMAX 3D you pretty much have to keep your head focused on the screen, but can work even when sitting at an extreme angle... | [] | [] | [
[]
] | |
2ergve | why are e-cigs being held to the same point as a real cigarette? | A guy in my class, in college, got yelled at today for using an E-cig in class, and was told that they are not to be used on campus at all. I've seen things like this in other places and am just curious as to why..
E-cigs don't have the chemical compounds that cause smokers to get cancer, you're cutting out the secon... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ergve/eli5_why_are_ecigs_being_held_to_the_same_point/ | {
"a_id": [
"ck28270",
"ck28598",
"ck28klq",
"ck29jly",
"ck2belm"
],
"score": [
11,
3,
9,
4,
3
],
"text": [
"They've not been thoroughly tested yet. The etiquette is to always ask if others are present. You can't just vape away in public.\n\nAlso, they will be regul... | [] | [] | [
[],
[],
[],
[],
[]
] | |
2134qu | what would it be like to walk around on the surface of gas giants. (jupiter, saturn ,etc.) | I understand it isn't possible but all these years I've struggled trying to imagine what it would theoretically be like on their surfaces. Do they have a surface? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2134qu/eli5_what_would_it_be_like_to_walk_around_on_the/ | {
"a_id": [
"cg95e7o",
"cg95xv0"
],
"score": [
4,
9
],
"text": [
"You would not find a specific place that you could identify as a surface. The atmosphere will simply get denser and denser as you descend through it until you would no longer decend. at that point it would most likely be clo... | [] | [] | [
[],
[]
] | |
3yb9xf | why cars use resistive instead of capacitive touchscreens for their display and why the performance is slow. | Why don't cars use regular touchscreens like we do in phones and why do they lag so much like when I drag the screen to move a map or they are just not really responsive at times? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yb9xf/eli5_why_cars_use_resistive_instead_of_capacitive/ | {
"a_id": [
"cyc0xwu",
"cyc3g2b"
],
"score": [
12,
78
],
"text": [
"Resistive touch screens are used so that they work with gloves on. People taking off gloves to work the screen all the time and putting then back on is a risk to safe driving. As for lagging its usually because of a poor d... | [] | [] | [
[],
[]
] | |
723haf | if wood is decomposiable why wont the roots decompose? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/723haf/eli5if_wood_is_decomposiable_why_wont_the_roots/ | {
"a_id": [
"dnfgx6u",
"dnfk3qc"
],
"score": [
16,
10
],
"text": [
"Living plants have an immune system that fights off decay. So roots on a living tree do not decay. Roots on a dead tree do decay. ",
"As the other guy said, living plants fight off harmful invasions.\n\nBut there's al... | [] | [] | [
[],
[]
] | ||
ejdohu | how does one wake up after induced coma after cardiac arrest? | How long time does it take for person to fully wake up if brain was not extremely damaged? How soon after stopping medication is known if brain damage is not compatible with life? How does death in case of big brain damage happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ejdohu/eli5_how_does_one_wake_up_after_induced_coma/ | {
"a_id": [
"fcx3mo2"
],
"score": [
2
],
"text": [
"After an MI, the patient is cooled down to a lower body temp for 24 hours. Then the rewarming process takes another 12 to 24 hours. During this time, the patient is usually heavy sedated, and heavy sedation can sometimes alter the results of our ... | [] | [] | [
[]
] | |
72wayo | why does it take so long for programmes in the us to get broadcast to other countries? | For instance, I'm a big fan of Rick and Morty, but we have to wait almost a week between the episode being released in America and it being streamed on Netflix here in the UK. This means a week of avoiding spoilers for the next episode. Same goes for sitcoms on TV, but worse. Why does it always take sooo long? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/72wayo/eli5_why_does_it_take_so_long_for_programmes_in/ | {
"a_id": [
"dnlux1u"
],
"score": [
8
],
"text": [
"I think it's to do with licensing for shows - it may be cheaper to license the show for the week after it aired in the US rather than broadcasting it simultaneously plus they may not make enough from the advertising to make it worth the simultane... | [] | [] | [
[]
] | |
5p6p49 | why does the tech industry advance so much faster than most other industries? | I feel like every 2 years our technology is almost transformed. 10 years ago I would never imagined the technologies today (Alexa, Surface Pro whatnot) yet most other industries has not experienced this rapid of a growth. For example, in the medical industry, we are still using the same antibiotics we did 20 years ago.... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5p6p49/eli5_why_does_the_tech_industry_advance_so_much/ | {
"a_id": [
"dcov4vj"
],
"score": [
5
],
"text": [
"The fastest innovations in tech are in the area of computers and software.\n\nThe reason innovation happens so fast in that space is that the cost to building and trying out an idea is so small. If you think of an idea, you can try it out and bui... | [] | [] | [
[]
] | |
27shbp | why is this 370 inch tv costing $1.6 million | From this article [here](_URL_0_)
I am wondering why a tv like this would be so expensive when you could make a tv of similar size using 25 70"-80" 1080p TVs arranged in a 5x5 grid each costing about $2k-5$k or $50k-$125k total. This would give you a resolution way better than 4k. I get that there might be a R & D cos... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27shbp/eli5_why_is_this_370_inch_tv_costing_16_million/ | {
"a_id": [
"ci3xokr"
],
"score": [
2
],
"text": [
"LCD panels need a non-imaging border (so the final image would need to be a relatively widely spaced grid). Cost doesn't scale linearly with semiconductor processes because of the nature of manufacture (errors are randomly distributed so the mor... | [] | [
"http://www.engadget.com/2014/06/10/titan-zeus-370-inch-4k-tv/"
] | [
[]
] | |
4cshb2 | why can my phone's gps pinpoint my location, but calling 911 from a cell phone can't? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4cshb2/eli5_why_can_my_phones_gps_pinpoint_my_location/ | {
"a_id": [
"d1l2dzi",
"d1l2fd2"
],
"score": [
12,
2
],
"text": [
"The reason why this works is because you're dealing with three very different kinds of networks. When you dial a landline number, it's going to ring to one place, and one place only. The call travels the telephone network... | [] | [] | [
[],
[]
] | ||
akpts9 | how is the universe like a sphere? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/akpts9/eli5_how_is_the_universe_like_a_sphere/ | {
"a_id": [
"ef6tb78"
],
"score": [
20
],
"text": [
"Firstly we are not talking about the universe, but about the observable universe. That is the part of the universe we can see. There may be more universe outside of the observable universe but we do not know about it. The universe is about 13.8 ... | [] | [] | [
[]
] | ||
6a6wxp | why does the us not have a standardized id for all citizens on nationwide level? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6a6wxp/eli5_why_does_the_us_not_have_a_standardized_id/ | {
"a_id": [
"dhc5ezh",
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"dhc5ufc",
"dhc5vzt",
"dhc75k2"
],
"score": [
12,
4,
3,
27,
6
],
"text": [
"Short answer: We do. Most states have adopted new IDs that prescribe to the national ID act congress passed a few years ago.\nThere's about 4 states who hav... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
6oyu1x | why do so many people enter and stay in the united states without becoming citizens? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6oyu1x/eli5_why_do_so_many_people_enter_and_stay_in_the/ | {
"a_id": [
"dkl9taa",
"dklbb3o",
"dkle2k5"
],
"score": [
8,
11,
2
],
"text": [
"The US is a very rich country, even our lowest-paid workers earn more than most workers in the rest of the world. Many people wish to come to the US and work here to make money, usually they send some ... | [] | [] | [
[],
[],
[]
] | ||
cfondc | what would happen to the earth if all the whales were gone? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cfondc/elif_what_would_happen_to_the_earth_if_all_the/ | {
"a_id": [
"eubjpvk"
],
"score": [
2
],
"text": [
"ELI5 does not allow hypotheticals. Questions like this are better in r/asksciencediscussion."
]
} | [] | [] | [
[]
] | ||
38wltp | why does rubbing my hayfeverish eyes feel so good when the result makes it so much worse? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38wltp/eli5_why_does_rubbing_my_hayfeverish_eyes_feel_so/ | {
"a_id": [
"cryer50"
],
"score": [
3
],
"text": [
"Likely because they are all puffy and inflamed, and when you press down on them, you temporarily release the pressure. At the same time, you are adding all kinds of germs and guck from your dirty hands. it's okay though, everybody's hands are d... | [] | [] | [
[]
] | ||
4iqnb7 | why do we just throw away aluminum foil? it seems odd we produces massive amounts of metal and just use it in a disposable manner. how is this economical? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4iqnb7/eli5_why_do_we_just_throw_away_aluminum_foil_it/ | {
"a_id": [
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"d30e1w0",
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"d30fm1q",
"d30gtv6",
"d30i9s1",
"d30iwjf",
"d30jn04",
"d30ket8",
"d30kewh",
"d30kpnw",
"d30l7bs",
"d30lt93",
"d30n39o",
"d30nxdy"
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"score": [
... | [] | [] | [
[],
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[],
[],
[],
[],
[],
[],
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n9krx | the statement, "in international affairs, there was nothing wrong with hitler except that he was german" | My History teacher said this. It sounded really weird, so I'm trying to look into it, but everywhere I look the sources are too advanced; they all assume I'm a damn expert already.
I thought I knew history but now I feel really stupid. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/n9krx/eli5_the_statement_in_international_affairs_there/ | {
"a_id": [
"c37crwm",
"c37d6wx",
"c37crwm",
"c37d6wx"
],
"score": [
3,
2,
3,
2
],
"text": [
"I can't say that I've heard this phrase before, but I can tell you that it's incorrect. In fact, Hitler wasn't German; [he was Austrian](_URL_1_).\n\nI think what it's trying to sa... | [] | [] | [
[
"http://en.wiktionary.org/wiki/xenophobia#Noun",
"http://en.wikipedia.org/wiki/Adolf_Hitler#Childhood"
],
[],
[
"http://en.wiktionary.org/wiki/xenophobia#Noun",
"http://en.wikipedia.org/wiki/Adolf_Hitler#Childhood"
],
[]
] | |
6c58qx | serious: why is it us presidents are known for playing golf? is this some kind of job requirement? | Seriously I don't play golf. It just seems odd each office holder seems to have this fancy in recent memory. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6c58qx/eli5_serious_why_is_it_us_presidents_are_known/ | {
"a_id": [
"dhrz2sv",
"dhrzkzd"
],
"score": [
15,
4
],
"text": [
"Golf is a very common hobby for the wealthy and the powerful - lawmakers, businesspeople, lawyers, etc. And there's a few good reasons for it:\n\n1. Almost anyone can play it. Whether you're 25 or 70, most able-bodied peo... | [] | [] | [
[],
[]
] | |
j2wii | li5: please explain the history of linux? | Specifically, what are the differences between linux, GNU, Gnome, Ubuntu, etc. And what do they mean? I've run into all of these and they seem to be interchangeable. (Maybe too advanced for a 5 year old, but whatever) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2wii/li5_please_explain_the_history_of_linux/ | {
"a_id": [
"c28oy59",
"c28p67s"
],
"score": [
4,
3
],
"text": [
"Unix is an operating system, GNU/Linux is a *exact* copy of unix, but free. Linux is the kernel part (operating system) GNU is a set of programs needed to make the kernel work. (simple programs like a shell, ls to list files... | [] | [] | [
[],
[]
] | |
347dtz | why do cheap nail places cut your cuticles? | Everything I've ever read says not to cut them, and nicer places don't - it doesn't make sense, they always wind up cut and bleeding, why do they always chop them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/347dtz/eli5_why_do_cheap_nail_places_cut_your_cuticles/ | {
"a_id": [
"cqs02b6"
],
"score": [
2
],
"text": [
"idk but why not tell them not to?"
]
} | [] | [] | [
[]
] | |
9nxr54 | drowning in a closed room | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9nxr54/eli5_drowning_in_a_closed_room/ | {
"a_id": [
"e7ps9j9"
],
"score": [
4
],
"text": [
"You are asking about a fake situation. In reality, yes, you would need an airgap for the air to escape. At a certain pressure one would be unable to breathe, however this would not happen in a typical enclosed room.\n\nBasically, either the air e... | [] | [] | [
[]
] | ||
6nmt8r | passenger jet thrust reversers. if the air coming in is equal to the air being pushed out, wouldn't they both cancel eachother out? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6nmt8r/eli5_passenger_jet_thrust_reversers_if_the_air/ | {
"a_id": [
"dkalk4g",
"dkalwwp",
"dkarewj",
"dkb964b"
],
"score": [
12,
2,
2,
2
],
"text": [
"No, because the thrust isn't just the mass; its also the speed that mass is moving at. After going through the turbine, the air has been accelerated significantly and so provides ... | [] | [] | [
[],
[],
[],
[
"http://www.hilmerby.com/md80/mdrevbuck2.jpg"
]
] | ||
5g75l7 | how does computer data physically look like and how does it physically download/delete? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5g75l7/eli5_how_does_computer_data_physically_look_like/ | {
"a_id": [
"daq0ezy",
"daq5yci"
],
"score": [
3,
3
],
"text": [
"It's just pulses of electricity, which are translated into binary, like morse code signals can be translated into language. It's become extremely complex now, obviously, but the root of it all is just electric currents throu... | [] | [] | [
[],
[]
] | ||
2qwlk5 | - why is it that england pays the same taxes as scotland but scotland get more benefits such as free prescriptions and free university fees? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qwlk5/eli5_why_is_it_that_england_pays_the_same_taxes/ | {
"a_id": [
"cna89u9",
"cna8vte",
"cnajhgf"
],
"score": [
22,
3,
2
],
"text": [
"The free prescriptions and free university fees are provided by the Scottish Government. This naturally has no jurisdiction in England, so those laws don't apply there.\n\nThe Scottish Parliament gets ... | [] | [] | [
[],
[],
[]
] | ||
8c7hji | why is it easier to float on your stomach than it is to float on your back? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8c7hji/eli5why_is_it_easier_to_float_on_your_stomach/ | {
"a_id": [
"dxcon9i"
],
"score": [
6
],
"text": [
"You are stable if your center of mass is below your center of buoyancy. \n\nThe center of buoyancy is in the area of your lungs as they contain air that is lighter then water. The rest of your body have almost the same density was water so the ce... | [] | [] | [
[]
] | ||
2asm39 | do bees actually feel angry/vengeful when we swat at them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2asm39/eli5_do_bees_actually_feel_angryvengeful_when_we/ | {
"a_id": [
"ciydoy2"
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"score": [
9
],
"text": [
"Answer is no. They're not wired to feel anger or vengeance, these are higher-order emotions that generally require mammal-level intelligence to happen (or bird level in some cases, as many birds are smart enough to even have personalities). \n\nI... | [] | [] | [
[]
] | ||
3e2ksm | why would a company try to buy aborted fetuses from planned parenthood? | _URL_0_
Is this as bad as it's being framed or is it a normal practice? What are they used for? This is headline news on drudge and it sounds disturbing. Is this really what stem cell research looks like? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e2ksm/eli5_why_would_a_company_try_to_buy_aborted/ | {
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"ctav3eb",
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"score": [
26,
14,
3,
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],
"text": [
"\"Planned Parenthood sells dead babies!\" is a very snappy headline, but the reality of it is closer to \"Planned Parenthood is one of many organizations that donates otherwise u... | [] | [
"http://www.centerformedicalprogress.org/2015/07/second-planned-parenthood-senior-executive-haggles-over-baby-parts-prices-changes-abortion-methods/"
] | [
[],
[],
[],
[
"http://www.thedailybeast.com/articles/2015/07/21/planned-parenthood-official-jokes-about-buying-lamborghini-with-fetus-tissue-profits.html"
]
] | |
ca4ib8 | the sensation of pain is registered in the brain, and we know there is something wrong when our brain receives the signals from the pain receptors, but why can't our brain interpret pain as knowledge of pain in a sense that we know exactly what's wrong without the need of pain to know where. | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ca4ib8/eli5_the_sensation_of_pain_is_registered_in_the/ | {
"a_id": [
"et5s4o1",
"et5sn3t",
"et5tles",
"et5tpqq"
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"score": [
5,
3,
2,
2
],
"text": [
"Because it’s not a computer. It’s biological. And when pain is experienced it’s to protect the organism to trigger some physical response. Simply sending an alert is not going to t... | [] | [] | [
[],
[],
[],
[]
] | |
4igxh8 | why do most charities only want money instead of volunteers or make volunteers pay to volunteer? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4igxh8/eli5_why_do_most_charities_only_want_money/ | {
"a_id": [
"d2xz6sx"
],
"score": [
9
],
"text": [
"Volunteers are unreliable. Sometimes they show up, sometimes they don't. Sometimes they promise to do something and they don't. Sometimes they do show up to help and are completely useless or unqualified for what they have signed up for.\n\nMoney... | [] | [] | [
[]
] | |
11nodw | why is it so important to leave a diesel engine running when making quick stops at places? | I feel like I often see people leave their trucks running when they walk into a gas station or somewhere they know they'll be leaving soon. Why is that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11nodw/eli5_why_is_it_so_important_to_leave_a_diesel/ | {
"a_id": [
"c6o1kp4",
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"score": [
5,
2
],
"text": [
"A gasoline engine uses a spark plug to ignite the fuel air mixture in each cylinder and these explosions of gas are what provides the energy which propels the car. A diesel engine does not use spark plugs in each cylinder bu... | [] | [] | [
[],
[]
] | |
2rkjxl | how is it that led lights use half the wattage of cfl lights for a given light output, but leds reportedly produce only a 10th of the heat? | Where is the additional electrical (input) energy going? Shouldn't conservation laws require that the wattage of a bulb be proportional to the heat generation at a given light output? ie. Light energy + heat energy = electrical energy. What I'm finding is the following: LED 6-8 Watts and 3.4 BTU/hr; CFL 13-15 Watts and... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rkjxl/eli5_how_is_it_that_led_lights_use_half_the/ | {
"a_id": [
"cngq5hi"
],
"score": [
3
],
"text": [
"From those figures, the CFL bulb is producing an extra 7.8W of heat (26.6 BTU/hr) and consuming an extra 5 to 9W. Apart from the vagueness of the energy consumption figures quoted, what looks wrong about that?"
]
} | [] | [
"http://energysquad.com/led-lighting",
"http://www.designrecycleinc.com/led%20comp%20chart.html",
"http://eartheasy.com/live_led_bulbs_comparison.html"
] | [
[]
] | |
2ogp63 | the cause of african-american's higher succeptibility to heart diseases and high blood pressure. | Mostly in America. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ogp63/eli5_the_cause_of_africanamericans_higher/ | {
"a_id": [
"cmmy45w",
"cmmznej",
"cmmzps3"
],
"score": [
5,
2,
5
],
"text": [
"lol. American African-Americans? Say it ain’t so!",
"Have you *tasted* soul food?\n\nShit's good. And unhealthy.",
"Many studies have trouble pinning down an exact reason for this since cardiova... | [] | [] | [
[],
[],
[
"http://www.medscape.com/viewarticle/468119"
]
] | |
2n3tjs | can someone explain to me what is so amazing about star wars? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2n3tjs/eli5_can_someone_explain_to_me_what_is_so_amazing/ | {
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"text": [
"If I were to hazard a guess is it was one of the first cool sci-fi a lot of people today saw in theaters that had, for the time, amazing special effects. I suspect you'll get a lo... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Monomyth",
"http://api.ning.com/files/hdC0Rqwh*mzbB8X2MU8V5WeLPh-Qicccm9S0fKRr9OHhq8IfUgu6-FOtKJsVs2r4isVAzpgBG-7b2hZhpe4oKjSD5e45kwne/CAMPBELLS_MONOMYTH_RSOAP__006.jpg"
],
[
"http://adulted.about.com/od/howtos/a/archetypes.htm"
]
] | ||
5ph2ch | what prevents voter fraud in states with no id requirement to vote? | For example, if I'm a California resident, what stops me from casting ballots for people who I know are not going to vote? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ph2ch/eli5_what_prevents_voter_fraud_in_states_with_no/ | {
"a_id": [
"dcr84vc"
],
"score": [
3
],
"text": [
"Depending on the state it could be fairly easy to impersonate a registered voter and vote in their place.\n\nBut in actuality, voter fraud involving mistaken identity virtually never happens. I don't remember the exact number, but in my state the... | [] | [] | [
[]
] | |
9x6y6t | why do come car stereos only have bluetooth for calls | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9x6y6t/eli5_why_do_come_car_stereos_only_have_bluetooth/ | {
"a_id": [
"e9q3sd2"
],
"score": [
3
],
"text": [
"In the beginning, bluetooth was for headsets, so people you didn't have to spoil your fashion with dangling wires (and wired headphones are kind of a pain when wearing a suit or even a sport jacket). \n\nLater, bluetooth expanded to support near-... | [] | [] | [
[]
] | ||
2dy2a9 | how are circuit breakers conditioned to trip at a certain amperage? | I understand that current induces a magnetic field, but how do they get the breaker to trip at very specific amps? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2dy2a9/eli5_how_are_circuit_breakers_conditioned_to_trip/ | {
"a_id": [
"cju7b9y"
],
"score": [
2
],
"text": [
"_URL_0_\n\nbasically the current runs through an electromagnet, powering it. If the current exceeds the rated amount the magnetic field becomes strong enough to flip a switch and break the current."
]
} | [] | [] | [
[
"http://electronics.howstuffworks.com/circuit-breaker3.htm"
]
] | |
5xjsjf | why does going the speed limit save gas? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xjsjf/eli5_why_does_going_the_speed_limit_save_gas/ | {
"a_id": [
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"score": [
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4,
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2,
3
],
"text": [
"1) Increasing air resistance. According to CNN, \"Pushing air around actually takes up about 40% of a car's energy at highway speeds. Traveling faster makes t... | [] | [] | [
[
"http://www.mpgforspeed.com"
],
[],
[],
[],
[]
] | ||
jetxr | what are the main arguments against having casinos in your city? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jetxr/what_are_the_main_arguments_against_having/ | {
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"c2bi85z",
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"score": [
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"text": [
"Whores running around, doing their little behind... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
dw06vb | if viruses aren't living carbon-based organisms, what are they? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dw06vb/eli5_if_viruses_arent_living_carbonbased/ | {
"a_id": [
"f7fuzoj",
"f7fv5jz",
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"score": [
5,
9,
7
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"text": [
"Viruses are carbon based but not alive. Like red blood cells and prions. All organic material is carbon based. \n\nVirus cause effect much like keys work in locks. Virus have the key on the surface and ... | [] | [] | [
[],
[],
[]
] | ||
k0fdh | types of common government - democracy, republic, socialism, fascism. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/k0fdh/eli5_types_of_common_government_democracy/ | {
"a_id": [
"c2gkedj",
"c2gknr6",
"c2gkedj",
"c2gknr6"
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"score": [
2,
2,
2,
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],
"text": [
"Asked and answered many times.\n\nSearch explainlikeimfive for the individual terms - democracy, republic, socialism, fascism, communism, etc.",
"Democracy - Everyone gets to v... | [] | [] | [
[],
[],
[],
[]
] | ||
26zrjr | if someone commits a crime and is deported, do they have to go to jail in their home country? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26zrjr/eli5_if_someone_commits_a_crime_and_is_deported/ | {
"a_id": [
"chw0q6q"
],
"score": [
2
],
"text": [
"Generally what happens is if the person is convicted of a crime in the US, depending on the severity of the crime, they will serve their sentence in the US and once they are done with their sentence be sent to their home country. But in other cas... | [] | [] | [
[]
] | ||
bun0gi | for what reason(s) does a profitable company typically allow itself to be bought out? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bun0gi/eli5_for_what_reasons_does_a_profitable_company/ | {
"a_id": [
"epe6anx"
],
"score": [
9
],
"text": [
"Your gonna give me how much money? < Slides over paper > Oh... thats a lot, thats way more than I'll make running this business myself, even over a long time. You got your self a deal buddy!\n\nThe most common one, is that the owners of the b... | [] | [] | [
[]
] | ||
82zlqy | why we get all of these "groundbreaking" discoveries but no practical appliance of them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/82zlqy/eli5_why_we_get_all_of_these_groundbreaking/ | {
"a_id": [
"dvdyn50"
],
"score": [
2
],
"text": [
"It tends to take a while (2-10 years) before \"revolutionary\" discoveries really are understood enough to be able to be used practically after the first study, and then depending on the field can sometimes take years to move through licensing re... | [] | [] | [
[]
] | ||
2267ib | the benifits of double entry book-keeping vs. single entry book-keeping | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2267ib/eli5_the_benifits_of_double_entry_bookkeeping_vs/ | {
"a_id": [
"cgjrd5r",
"cgjuwd4"
],
"score": [
4,
2
],
"text": [
"It's an excellent way of detecting many (not all) errors in accounts. If the sum of debits for all accounts does not match the sum of credits for all accounts, an error has occurred.",
"Instead of quickly saying why, ho... | [] | [] | [
[],
[]
] | ||
adm8dw | how is usb-c capable of transfering so much more data and power than previous versions of usb or other interfaces? | Are there simply more pins, more wires, and better shielding? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/adm8dw/eli5_how_is_usbc_capable_of_transfering_so_much/ | {
"a_id": [
"edic7rp"
],
"score": [
8
],
"text": [
"For the data, it's two part, but first, USB-C does not mean faster data, USB3 does, some USB-C cables are USB2 only. Anyways, the USB3 ones have the extra pins of the USB-C connector hooked up to superspeed wires, there are 4 pairs of superspeed ... | [] | [] | [
[]
] | |
2c8ktp | why/how does traffic start? | I live in LA and way too often we have really shitty traffic. How can traffic even happen as long as everyone goes close to the speed limit wherever they're driving? I understand there can be accidents, but the shit that happens on the 405 freeway every day isn't because of accidents, because there's no way they happ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c8ktp/eli5_whyhow_does_traffic_start/ | {
"a_id": [
"cjcz6pb",
"cjczcw1",
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],
"score": [
2,
11,
2
],
"text": [
"[This article](_URL_0_) claims that it's mostly due to human error, and basically we all suck at merging.\n\nAlthough the problem with LA is most likely a combination of people being bad at merging and... | [] | [] | [
[
"http://www.washingtonpost.com/blogs/wonkblog/wp/2013/09/24/heres-how-self-driving-cars-could-clear-up-traffic-jams/"
],
[],
[]
] | |
4nn3ad | why can google go around taking photos of everyone's houses? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nn3ad/eli5_why_can_google_go_around_taking_photos_of/ | {
"a_id": [
"d458ujt",
"d459394",
"d45hzt6"
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"score": [
5,
14,
2
],
"text": [
"They are driving on public property while they take the pictures. As photography becomes more advanced, I'm guessing the laws on this will need to change because cameras will be able to see too well th... | [] | [] | [
[],
[],
[]
] | |
61s10j | how are auto races coordinated? (formula 1, imsa, nascar, etc.) | When a race is scheduled, who pays who?
Does the track pay the series to host a race for income or does the series pay the track to host their race there? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61s10j/eli5how_are_auto_races_coordinated_formula_1_imsa/ | {
"a_id": [
"dfh7deb",
"dfihtxy"
],
"score": [
2,
2
],
"text": [
"To my knowledge, with Nascar at least, the organizer (Nascar) does not pay the tracks anything... sort of.. The track owners make money through selling admission tickets, concessions, parking, etc. However Nascar sells broad... | [] | [] | [
[],
[]
] | |
56yp4d | what does the new salary law mean that takes place dec 1, 2016. | _URL_0_ However, I know a few people in a few franchise places that are being told they are exempt. How is that possible if the law states all salary employees? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/56yp4d/eli5_what_does_the_new_salary_law_mean_that_takes/ | {
"a_id": [
"d8ngtpt",
"d8ngzbe",
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],
"score": [
8,
2,
2
],
"text": [
"The Department of Labor updated the salary\nlevel above which certain “white collar” workers may\nbe exempt from overtime pay requirements to equal the\n40th percentile of earnings of full-time salaried... | [] | [
"https://www.dol.gov/whd/overtime/final2016/"
] | [
[],
[
"https://www.dol.gov/whd/overtime/fs17a_overview.htm"
],
[
"https://www.dol.gov/whd/overtime/fs17a_overview.htm"
]
] | |
fk0mmg | what stops a baby choking when drinking milk whilst laying down? | I would choke for sure and I'm a far more experienced drinker! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fk0mmg/eli5_what_stops_a_baby_choking_when_drinking_milk/ | {
"a_id": [
"fkq6qo9"
],
"score": [
9
],
"text": [
"The larynx of the baby is located higher than the larynx of an adult (it is descending over time). So the epiglottis is like a shield in a river and milk can pass left and right of the epiglottis to the oesophagus using a space called Recessus pi... | [] | [] | [
[]
] | |
71vwgu | there's 21% oxygen in air. when we breathe out, there's still 16% oxygen in the exhaled air. why's our lung so inefficient? | original context: _URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/71vwgu/eli5_theres_21_oxygen_in_air_when_we_breathe_out/ | {
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"text": [
" > Actually, heal... | [] | [
"http://www.tuitionplaza.com/tutoring/question.asp?QID=2239"
] | [
[
"https://www.quora.com/Why-are-the-lungs-so-inefficient"
],
[],
[],
[],
[],
[],
[],
[],
[],
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2l6ccx | what will happen when a severe alcoholic quits drinking? | My dad, who is 55 years old, drinks at least a bottle of whiskey a day. It is so bad that if he goes a few hours without a drink he will become shaky and throw up. He has decided he is going to rehab and quitting completely. What will he go through physically? How long will it take to completely detox? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2l6ccx/eli5_what_will_happen_when_a_severe_alcoholic/ | {
"a_id": [
"clruyvm"
],
"score": [
12
],
"text": [
"Firstly, I lost my father to alcoholism when he was your father's age and I was about 21. Died. No more dad. At forty years old - despite having the luckiest life imaginable - this loss is still a daily thought. You should be tremendously pro... | [] | [] | [
[
"http://www.al-anon.alateen.org/local-meetings"
]
] | |
19va00 | why do some white people look asian or hispanic, when their parents and ancestors are completely white? | So, I'm from Iceland, and we're a pretty pale white country, but some people look almost Asian (Björk), and hispanic (Can't name any famous but 2 girls in my class are like brown (not tan) and their parents are white and they have Icelandic ancestors etc.
Just doesn't make sense to me.
Is there something the mother e... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/19va00/why_do_some_white_people_look_asian_or_hispanic/ | {
"a_id": [
"c8rlz6v"
],
"score": [
3
],
"text": [
"Bjork either has Inuit descent or have recessive genes. "
]
} | [] | [] | [
[]
] | |
41j2k2 | the ridiculously high and growing suicide rate in japan. | It just seems insane the amount of suicides, especially in men, and supposedly it's increasing.
Edit: Wow. I didn't know there were so many complicated factors that contributed to this incredibly sad situation. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/41j2k2/eli5_the_ridiculously_high_and_growing_suicide/ | {
"a_id": [
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"score": [
59,
7,
15,
14,
18
],
"text": [
"Suicide rates among males have always been high in Japan. \n\nThe culture praises both a collectivist mentality to supporting the group, plus a strong sen... | [] | [] | [
[],
[],
[
"http://www.bbc.co.uk/news/magazine-23182523"
],
[
"http://gamapserver.who.int/gho/interactive_charts/mental_health/suicide_rates/atlas.html"
],
[]
] | |
3wduzr | why does pennsylvania have state-run liquor stores and what is the argument against privatising them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wduzr/eli5_why_does_pennsylvania_have_staterun_liquor/ | {
"a_id": [
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"score": [
46,
9,
89,
44,
21,
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"text": [
"To make money and some made up argument to keep making money. It's just like how gambli... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
l452d | what do the signs on the side of airport runways mean? | I've been doing some traveling lately and I kept wondering what the various letters mean on the signs... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/l452d/eli5_what_do_the_signs_on_the_side_of_airport/ | {
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55,
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55
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"text": [
"Usually, they're just labels for taxiways.\n\n[Take a look at an airport diagram](_URL_0_) (that one is Boston - Logan) and you'll see all the taxiways and runways have labels.\n... | [] | [] | [
[
"http://aeronav.faa.gov/d-tpp/1110/00058AD.PDF"
],
[
"http://www.clintonvillewi.org/05-15-03/Airport%20sign%20for%20Runways%2022%20and%204.jpg",
"http://www.fargoairport.com/pics/Img_1837s.jpg",
"http://www.caa.govt.nz/aerodromes/Info_signs.JPG",
"http://www.flickr.com/photos/rieshal/63933... | |
7ze0fm | how does the ink from pens manage to not flow out of the tube? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ze0fm/eli5_how_does_the_ink_from_pens_manage_to_not/ | {
"a_id": [
"dun9pre",
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"score": [
2,
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"text": [
"Because there’s a ball on the end (hence ball-point pen). The ball rolls around, picks up some ink on the inside of the pen, and deposits it on the other side. That’s why you have to scribble it a little if you haven’t used ... | [] | [] | [
[],
[]
] | ||
q7j49 | why do websites like this exist? what is their purpose? link in the description. | I have run into many of them while being on the internet. Below is the most recent example.
_URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/q7j49/eli5_why_do_websites_like_this_exist_what_is/ | {
"a_id": [
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"score": [
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"text": [
"Two reasons:\na) advertising revenue from google ads - clicking any of the links on that site will give you a list of google ads for the topic.\nb) google pagerank boosting (google ranks sites according to how many other sit... | [] | [
"http://www.sdbs.com/"
] | [
[],
[
"sdbs.com",
"sandiegobusinesssystems.com"
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6fk0w0 | how does mars have seasons? | I'm thinking in regards to how each country has different seasons considering where on the earth they are placed and the rotation with the sun, how does it work when they say "Mars is in Winter at the moment." when it rotates the same? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6fk0w0/eli5how_does_mars_have_seasons/ | {
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"score": [
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"text": [
"The Earth has seasons because of its axial tilt of 23.5 degrees. Mars has an axial tilt of 25 degrees and so it has seasons, similar to Earth.",
"Mars has season like Earth and... | [] | [] | [
[],
[],
[],
[]
] | |
2afwtf | why do christians tend to be pro-life, while athiests tend to be pro-choice? | Wouldn't the belief in an afterlife make you care less if an innocent life is lost, because it will be saved? I'm just saying this because I'm an athiest, but I'm pro-life because I don't think you get an afterlife or a second chance at life, and you're just eliminated from existance if you're aborted.
Edit: 170 comme... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2afwtf/eli5_why_do_christians_tend_to_be_prolife_while/ | {
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"To be honest, I think it's because of the expectation. It's just so much more difficult having to explain to fellow atheists that you'r... | [] | [] | [
[],
[],
[],
[
"http://mypage.direct.ca/w/writer/anti-tales.html"
],
[
"https://www.youtube.com/watch?v=lQeOImZrrto#t=145"
],
[]
] | |
31912d | how do illegal immigrants that are children attend school?...as well as college when they are older.. | I always had to have a SSN/Birth Certificate for any school that I attended. And if they are going for a college degree then what is the point without a SSN? They will almost definitely need it for the jobs they are going after. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31912d/eli5_how_do_illegal_immigrants_that_are_children/ | {
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"text": [
"They generally dont. \n\nIllegals tend to stay in lower paying jobs that need workers with few questions asked, or where they don't care, I haven't heard of any going to colleges o... | [] | [] | [
[],
[],
[],
[]
] | |
23cscc | why is it important to find the age of the universe? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23cscc/eli5_why_is_it_important_to_find_the_age_of_the/ | {
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"text": [
"The same reason it is important to find out anything. Why wouldn't you want to know?",
"It isn't really that important. It's just interesting. And maybe some cool science stuff... | [] | [] | [
[],
[],
[],
[]
] | ||
2bsqy9 | right before the mortgage crises, why were americans taking out housing loans they knew they would be unable to afford? | I remember back in 2006, I was bagging groceries as a high school and I had teachers who were buying housing in the $700k range when they were only making 40k a year. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bsqy9/eli5_right_before_the_mortgage_crises_why_were/ | {
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"text": [
"People were under the impression that a bank simply wouldn't give you a loan if they didn't think you would pay it back. Since they got loans they naively assumed that meant that ... | [] | [] | [
[],
[],
[],
[]
] | |
2ga67t | why cant most console video games support cross platform multiplayer? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ga67t/eli5_why_cant_most_console_video_games_support/ | {
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"score": [
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"text": [
"It has to do with the hardware manufacturers and the servers. If I understand correctly it would actually be q... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
144gxr | the square root of negative 1 | I'm reading "We" by yevgeny zamyatin and the protagonist using this mathematical expression to convey how he is feeling. Only I don't understand the math, so I'm having trouble with the comparison. Help | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/144gxr/eli5_the_square_root_of_negative_1/ | {
"a_id": [
"c79rx0w",
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"score": [
2,
3,
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"text": [
"If you want a rather thorough explanation, [here's what I wrote last time someone asked this](_URL_0_).",
"[_URL_0_: A Visual, Intuitive Guide to Imaginary Numbers](_URL_1_)",
"In the book d-503... | [] | [] | [
[
"http://www.reddit.com/r/explainlikeimfive/comments/10h7nl/eli5_complex_and_imaginary_numbers/c6djd3z"
],
[
"BetterExplained.com",
"http://betterexplained.com/articles/a-visual-intuitive-guide-to-imaginary-numbers/"
],
[]
] | |
4nefhj | i've heard that the universe is infinite, but i've also heard it is constantly expanding...so which is it? | If the Universe is expanding, then I would think that would mean, at any given point in time, there are finite boundaries of the universe in order for it to get bigger. This seems contradictory to the notation that the Universe is infinite...I don't quite understand how it could be infinite and expanding at the same t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nefhj/eli5_ive_heard_that_the_universe_is_infinite_but/ | {
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"text": [
" > I don't quite understand how it could be infinite and expanding at the same time.\n\nImagine a ruler that is infinitely long. There's a 0 in front of you... | [] | [] | [
[],
[],
[],
[
"https://www.youtube.com/watch?v=Uj3_KqkI9Zo"
],
[]
] | |
3mv9ye | if human beings go extinct, and it takes 300 million years for intelligent life to evolve on earth again, what evidence, if any, would survive long enough for them to discover that there was intelligent life before them. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mv9ye/eli5_if_human_beings_go_extinct_and_it_takes_300/ | {
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"score": [
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4,
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"text": [
"For one, there are satellites in orbit that will stay there for billions of years before their orbits decay. There would also undoubtedly be millions of signs... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Cretaceous–Paleogene_boundary"
],
[
"https://en.wikipedia.org/wiki/Ozymandias"
]
] | ||
fop6l2 | what happens to the homeless during a country lockdown? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fop6l2/eli5_what_happens_to_the_homeless_during_a/ | {
"a_id": [
"flge4gt",
"flge816"
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"score": [
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4
],
"text": [
"I work for a US government health care system. Right now we’re building cantonment areas, tent cities, on our campuses that have the space.",
"Many big cities book whole hotels with hundreds of rooms for the homeless to ... | [] | [] | [
[],
[]
] | ||
1ateis | when, how, and why getting a famous person's signature became a big deal | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ateis/eli5_when_how_and_why_getting_a_famous_persons/ | {
"a_id": [
"c90kotd",
"c90kqxi",
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"score": [
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5,
3,
3,
4,
2
],
"text": [
"Let's say you went to see the cookie monster, your favorite person in the whole-wide-world. And when you get back to your friends, you ... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
1svot6 | matter, antimatter, baryons and such | Okay, I'm very fuzzy on this. Can someone explain to me what everything in physics is?
Like, from Baryons to Leptons, Matter, Antimatter, Dark Matter, Exotic Matter, Particles, Molecules, Atoms, Quarks, Antiquarks, Photons, and such. Because I honestly can't find simple definitions for all of these things that are com... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1svot6/eli5_matter_antimatter_baryons_and_such/ | {
"a_id": [
"ce1pwe2"
],
"score": [
3
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"text": [
"Let's start with the [elementary particles](_URL_0_) in the standard model. Elementary particles are particles that are not composite particles of smaller ones like how atoms are made of protons and neutrons and how protons are made of quarks.\n\... | [] | [] | [
[
"http://cache.gawkerassets.com/assets/images/8/2010/09/1000px-standard_model_of_elementary_particles.svg_02.png"
]
] | |
1ozejg | why do powdered donuts taste "cold?" | You know what I mean? Whenever I eat powdered donuts, no matter how room temperature they are, they always taste "cold." It is the weirdest thing. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ozejg/eli5why_do_powdered_donuts_taste_cold/ | {
"a_id": [
"ccx7pag",
"ccx8023",
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"score": [
21,
62,
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],
"text": [
"frosted donuts always tasted colder to me.\n\n...probably the icing.",
"The sugar, even in powdered form, retains a certain crystal structure. When in contact with water (in... | [] | [] | [
[],
[],
[],
[]
] | |
8pwj1w | why is ireland so much more religious than other western european countries? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8pwj1w/eli5_why_is_ireland_so_much_more_religious_than/ | {
"a_id": [
"e0ekqfv",
"e0eu7h1"
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"score": [
17,
3
],
"text": [
"Well, Roman Catholicism was preserved in Ireland when the rest of Rome fell apart. So it's got a strong history.\n\nBut I think you'll find that Christianity has a strong foothold in other countries as well, such as Poland... | [] | [] | [
[],
[]
] | ||
bd5i2n | how does desalination process works and what happens to the excessive salts left after seaparation from saline water? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bd5i2n/eli5_how_does_desalination_process_works_and_what/ | {
"a_id": [
"ekvwshk",
"ekvx5r2"
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"score": [
2,
6
],
"text": [
"Desalination is typically done by forcing water through a membrane. The water molecules are small enough to pass through the membrane but the salt molecules are not. The membrane must be cleaned occasionally to remove the ... | [] | [] | [
[],
[]
] | ||
5j2j8n | why aren't full service gas stations more common across america? | It seems that if every gas station in America was full service it would solve a lot of issues from unemployment to gas related accidents that occur at gas stations. Please explain! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5j2j8n/eli5_why_arent_full_service_gas_stations_more/ | {
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"score": [
3,
12,
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2
],
"text": [
"Because employees cost a huge amount of money. Why would a company spend the money when consumers appear generally smart enough to manage the task by themsel... | [] | [] | [
[],
[
"https://www.fueleconomy.gov/feg/quizzes/answerQuiz16.shtml",
"http://www.nfpa.org/news-and-research/fire-statistics-and-reports/fire-statistics/fires-by-property-type/business-and-mercantile/fires-at-us-service-stations"
],
[],
[],
[]
] | |
379n1y | how do we know gravity is quantum mechanical? | From what I understand, we have not "found" the graviton yet, nor do we have a coherent theory of gravity of quantum scales. Quantizing gravity seems to lead to messy infinities too.
Is there a reason we think that gravity IS quantum to begin with? I know the other three forces are, but gravity has some notable differ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/379n1y/eli5_how_do_we_know_gravity_is_quantum_mechanical/ | {
"a_id": [
"crkugcx"
],
"score": [
2
],
"text": [
"The problem with gravity not having an adequate description at the quantum mechanical level is that it doesn't make sense alongside the rest of what we know. We know that if you start with basic particles (which behave entirely \"quantumly\") and... | [] | [] | [
[]
] | |
9ruu0v | why are tvs horizontal not vertical? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ruu0v/eli5_why_are_tvs_horizontal_not_vertical/ | {
"a_id": [
"e8jsowe",
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"score": [
7,
3,
7
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"text": [
"It’s nothing engineering wise if that’s what your asking. It’s because if it was lengthwise we would only be able to see a very thin screen. But since it’s wide we can see surrounding and other characte... | [] | [] | [
[],
[],
[]
] | ||
mmwpi | buying a company and paying with stocks | I always get confused when I see some piece of news along this lines: "Google buys a tiny startup, the founder gets Google stock valued at 20 million $".
What confuses me about this type of deal is "Where is that stock that they are using to buy the company coming from"? Isn't all Google (or anyother company) stock al... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mmwpi/eli5_buying_a_company_and_paying_with_stocks/ | {
"a_id": [
"c3277m1",
"c3277m1"
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"score": [
2,
2
],
"text": [
" > Isn't all Google (or anyother company) stock already in hands of the founders, the venture capital companies, big stockholders and the rest in the stock market\n\nNot necessarily, a company can actually own it's own stock... | [] | [] | [
[
"http://www.investopedia.com/terms/t/treasurystock.asp"
],
[
"http://www.investopedia.com/terms/t/treasurystock.asp"
]
] | |
1aw8e8 | how to use reddit search. | i search before i post anywhere and i always get a response saying use the search option before you post. i just cant figure out what im doing wrong. really frustrating | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1aw8e8/eli5_how_to_use_reddit_search/ | {
"a_id": [
"c91evg2"
],
"score": [
3
],
"text": [
"if you're accused of reposting content (as in links):\n\n* when posting an image, use _URL_1_ to check if it was already posted\n* when posting a link, make sure it wasn't posted before by using the [bookmarklet](http://www._URL_0_/bookmarklets),... | [] | [] | [
[
"reddit.com",
"karmadecay.com",
"http://www.reddit.com/bookmarklets",
"http://i.imgur.com/xZwLcr3.png"
]
] | |
5rcmdv | the nuclear option | What is it? I looked it up and i know a little, like the fact that it allows senate to just need a majority vote. Can someone ELI5 on it? Can the senate use it to pass a supreme court nomination? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5rcmdv/eli5_the_nuclear_option/ | {
"a_id": [
"dd66rnr"
],
"score": [
3
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"text": [
"Although I think there may be different specific versions, the nuclear option basically goes like this:\n\nThe filibuster isn't a law, it is a rule of the Senate (and, more specifically, an interpretation of a rule of the Senate). \n\nA Senator ... | [] | [] | [
[]
] | |
2uz9w3 | how does resizing work in photoshop and other image editing programs? | I'm pretty sure about how resizing to a bigger size works, probably just by streching the pixels, but how does photoshop make them smaller? Does it delete pixels? If so, how does the program know which pixels to delete? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2uz9w3/eli5_how_does_resizing_work_in_photoshop_and/ | {
"a_id": [
"cod0r9y",
"cod7uuq"
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"score": [
4,
3
],
"text": [
"Well, an image like that is basically just a grid of pixels. When you resize an image, you are changing the size of the grid, so photoshop uses a mathematical algorithm to work out which pixels in the new grid should be whic... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Nyquist%E2%80%93Shannon_sampling_theorem",
"http://en.wikipedia.org/wiki/Bicubic_interpolation",
"http://upload.wikimedia.org/wikipedia/commons/f/fb/Moire_pattern_of_bricks_small.jpg"
]
] | |
3zcw6z | who actually writes the massive legislation that nobody reads? | I hear all the time about congress passing bills that they could not have possibly read. Someone has to write these bills in the first place. Who does that and do they not send out a summary first? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3zcw6z/eli5_who_actually_writes_the_massive_legislation/ | {
"a_id": [
"cyl3lyh",
"cyl6no8"
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"score": [
3,
2
],
"text": [
"Congressional staffers and lobbyists write the bills. They then summaries the bill for their congressperson. Then a whole lot of other shenanigans happen, things are redacted, things are inserted, and both houses of Congress... | [] | [] | [
[],
[]
] | |
anmoyz | why do 0-9 roughly show up 1/10 of the time in irrational numbers like pi or √2? | I looked at the first [1,000,000](_URL_0_) digits of √2 and noticed that 0-9 each appear about 100,000 times. The same goes for pi. Why is this? Does it have to do with probability? It surprises me that this pattern emerges for a seemingly random sequence of digits. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/anmoyz/eli5_why_do_09_roughly_show_up_110_of_the_time_in/ | {
"a_id": [
"efuj6so",
"efuk0d1",
"efuoc5s",
"efurx85"
],
"score": [
16,
2,
3,
2
],
"text": [
" > It surprises me that this pattern emerges for a seemingly random sequence of digits.\n\nWhy? If the digits are randomly occurring then you would expect no preference for any d... | [] | [
"https://apod.nasa.gov/htmltest/gifcity/sqrt2.1mil"
] | [
[],
[],
[],
[]
] | |
5qroml | why is coffee/pepper that you grind at home better than coffee/pepper ground at the factory? | Would people be able to tell the difference in a blind taste test? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5qroml/eli5_why_is_coffeepepper_that_you_grind_at_home/ | {
"a_id": [
"dd1kib1",
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"dd1qgg4",
"dd1qx7k",
"dd1vw2h"
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"score": [
40,
3,
2,
6,
3
],
"text": [
"Coffee, pepper, and many other spices have very volatile oils that evaporate fairly quickly after their outer shells/skins are broken. So the closer to end u... | [] | [] | [
[],
[],
[],
[],
[]
] | |
fzltru | how are public opinion polls kept unbiased despite people who are unwilling to participate? | Edit: nonresponse bias | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fzltru/eli5_how_are_public_opinion_polls_kept_unbiased/ | {
"a_id": [
"fn4w5ba",
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"fn4uqdd"
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"score": [
4,
2,
3
],
"text": [
"In theory, you weight different demographics to adjust for reporting rates based on historical norms.\n\nIn practice, this is difficult to pull off because those historical norms are themselves subject ... | [] | [] | [
[],
[],
[]
] | |
uig7r | can you explain the charm of quentin tarantino movies(especially pulp fiction) in a non-hipster and non-fansboy way? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/uig7r/can_you_explain_the_charm_of_quentin_tarantino/ | {
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"score": [
28,
11,
2,
4,
2
],
"text": [
"He makes movies for people who like movies. The way he does that is by using classic storylines with new twists and working in lots and lots of references ... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
3ehz34 | why do razor clams emerge when salt is poured in there burrows? | As seen here _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ehz34/eli5why_do_razor_clams_emerge_when_salt_is_poured/ | {
"a_id": [
"ctf4udq"
],
"score": [
6
],
"text": [
"Clams are mollusks like snails. Ever put salt on a snail or slug? It sucks the moisture out of them. \n\nSame thing for a clam, the salt suddenly makes their burrow inhospitable and they try and escape the irritant. It's not like they've evolved ... | [] | [
"https://i.imgur.com/LnqXuBj.gifv"
] | [
[]
] | |
6kuwph | how come animals are only able to use the visible light spectrum instead of other sections of the em spectrum? | I know bees can see ultraviolet and pit vipers use infrared, but their eyes mainly see visible light. How come? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6kuwph/eli5_how_come_animals_are_only_able_to_use_the/ | {
"a_id": [
"djozdl7"
],
"score": [
3
],
"text": [
"Let's first of all clear up one thing - the reason we call that little bit of the spectrum \"visible light\" is because it's the bit we can see. If we could see a different bit of the spectrum, then we'd call *that* bit \"visible light\" instead.... | [] | [] | [
[
"http://droualb.faculty.mjc.edu/Course%20Materials/Physiology%20101/Chapter%20Notes/Fall%202007/figure_10_34_labeled.jpg"
]
] | |
znrix | higgs boson appears to be confirmed ... now what? | I feel like I have a pretty solid high-school physics understanding of what the Higgs Boson does (it's the thing that gives objects mass), but what does it mean that the particle's existence appears to have been confirmed? Where does physics go from there? What are the implications for theoretical sciences, and applied... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/znrix/higgs_boson_appears_to_be_confirmed_now_what/ | {
"a_id": [
"c666jig",
"c66a0ss"
],
"score": [
5,
2
],
"text": [
"It doesn't mean much, honestly. Everyone was expecting the Higgs Boson to be found at some point, and unless you are an advanced theoretical physicist, none of the currently known consequences of its existence are interestin... | [] | [] | [
[],
[]
] | |
6azg4t | how does changing the difficulty against the computer for games like chess make the game easier or harder? if the difficulty is all the way down does the computer purposely sabotage itself in order to give the user the best chance to win? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6azg4t/eli5_how_does_changing_the_difficulty_against_the/ | {
"a_id": [
"dhikkdr",
"dhikmy8",
"dhiqx6o",
"dhirwgb"
],
"score": [
9,
9,
2,
2
],
"text": [
"It depends on the program, but basically yes. Chess is actually difficult to program in this regard. It is relatively easy to make a chess program that will beat all but the best... | [] | [] | [
[],
[],
[],
[]
] | ||
1vfzr7 | what happened to vitamins f through j? and why are there so many b vitamins? | There is only one Vitamin A and C but dozens of B vitamins (and apparently more than one form of D). After Vitamin E, I dont know of another one until Vitamin K. Where are they? Are there ones past K? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vfzr7/eli5_what_happened_to_vitamins_f_through_j_and/ | {
"a_id": [
"cerv9p2",
"ces1pdz",
"ces2fsk",
"ces79qq"
],
"score": [
13,
4,
3,
2
],
"text": [
"I think some have been reclassified, but they either exist and we don't care about them, or they used to exist.\n\n_URL_0_\n\n_URL_1_",
"Vitamins are classified by what they a... | [] | [] | [
[
"http://medical-dictionary.thefreedictionary.com/vitamin+G",
"http://www.medindia.net/patients/patientinfo/vitamin-f.htm"
],
[],
[
"http://www.youtube.com/watch?v=ba1-2Tymbu0#t=25s"
],
[]
] | |
2rvtmy | i know we can use gravity assists to increase the speed of spacecraft, but is there a limit to how many times you can use it? | Like if time wasn't a factor, could we keep going from planet to planet to increase speed until we hit a speed that might be plausible for interstellar missions? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rvtmy/eli5i_know_we_can_use_gravity_assists_to_increase/ | {
"a_id": [
"cnjq968"
],
"score": [
3
],
"text": [
"The momentum that the spacecraft gains is taken from the celestial body that is being used to slingshot. If you were slingshotting around Mars, for example, your spacecraft will speed up and Mars will slow down ever so slightly.\n\nHowever, due t... | [] | [] | [
[]
] |
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