q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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s1u61 | Just what exactly happened to my drink tonight? | Tonight I made a mixed drink with Diet A & W (room temp) root beer and Lucid Absinthe (slightly cool as it was stored in the basement). I put ice in the glass, poured about a shot or two of Absinthe in the bottom, then filled the glass up with the root beer. Immediately I noticed that the characteristic dense foaming... | askscience | http://www.reddit.com/r/askscience/comments/s1u61/just_what_exactly_happened_to_my_drink_tonight/ | {
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"Alcohols are notorious for breaking down foam. In fact, in the fire service, you have to use special foam at a higher concentration for alcohol based fire... | [] | [
"http://i.imgur.com/5uZRH.jpg"
] | [
[],
[],
[
"http://upload.wikimedia.org/wikipedia/commons/2/22/Preparing_absinthe.jpg"
],
[],
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] | |
49uz7q | why do we have stomach acid instead of stomach base/alkaline? | Are there any reasons or is it a case of a 50/50 chance that went the way of acid instead of base? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49uz7q/eli5_why_do_we_have_stomach_acid_instead_of/ | {
"a_id": [
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"text": [
"A lot of bases have real poor interactions with water compared to a lot of acids. I think if you rerolled life over and over you'd see things figuring out a way to digest things with lye or something but hydrochloric acid makes sense as a kind of... | [] | [] | [
[]
] | |
34qhb4 | Why is the formula for angular momentum different from the formula for linear momentum? | At wikipedia I found the [following formula for angular momentum (for a single particle):](_URL_1_)
L = r*m*v
Where:
L is angular momentum
r is distance from the mass to the axis of rotation
m is mass
v is linear velocity of the mass
If you'd compare it to the [formula for linear momentum (for a single particle)](_U... | askscience | http://www.reddit.com/r/askscience/comments/34qhb4/why_is_the_formula_for_angular_momentum_different/ | {
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"text": [
"The conservation of angular momentum and linear momentum are two independent quantities. \nYou can prove their conservation by using the Noether theorem. The laws of nature are symmetric under rotation ... | [] | [
"http://en.wikipedia.org/wiki/Momentum#Single_particle",
"http://en.wikipedia.org/wiki/Angular_momentum#Definition"
] | [
[],
[],
[]
] | |
1lgot6 | Have there been other examples of rogue states like North Korea? How were they dealt with if at all. | By which I mean a independent country of state which was potentially dangerous and acted belligerently but was just easier to leave alone rather than intervene militarily or otherwise? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1lgot6/have_there_been_other_examples_of_rogue_states/ | {
"a_id": [
"cbzegsc"
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"score": [
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"text": [
"Obviously this was not a case of \"Leave Them Alone\" and it did devolve immediately into military intervention, but the Sacred Wars I feel are a good example that captures the same sentiment in Ancient Greece. I'm most familiar with the 3rd Sacr... | [] | [] | [
[]
] | |
6pu3wd | can we use ocean water for toilets, car washes, etc. and leave freshwater for drinking cause there is much more ocean water available to us? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6pu3wd/eli5_can_we_use_ocean_water_for_toilets_car/ | {
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"Two problems, firstly you would need an awful lot of extra infrastructure to have two water pipes to every home, and the salt water would have quite a damaging effect on pipework,... | [] | [] | [
[],
[],
[],
[]
] | ||
10dvdv | why do things float towards eachother in liquids? | I first noticed it with cereal in milk, when you put it in there the cereal clumps. I wasn't sure if it was the iron in the cereal so I tried bits of styrofoam in milk, still went towards eachother. I've experimented with this a bit and I'm stumped. I thought it might be something to do with the surface tension in th... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/10dvdv/elif_why_do_things_float_towards_eachother_in/ | {
"a_id": [
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"score": [
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12
],
"text": [
"Try to imagine it this way:\n\nYou have a piece of cloth stretched out. If you place a ball in the middle of this cloth, you're going to create a dip in the cloth. Place another ball at the edge of the cloth now, and it's ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Cheerios_effect"
]
] | |
j2bsb | how does satellite television work? | I mean does the satellite transmit all 600 channels you payed for, or does it just transmit the channel you're on? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2bsb/how_does_satellite_television_work/ | {
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"score": [
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2,
2
],
"text": [
"Disclaimer: I'm not 100% sure, but this is my best guess as a techy...\n\nDirect TV has approximately 19.2 million subscribers. It makes much more sense to ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/DirecTV",
"http://en.wikipedia.org/wiki/DVB-S2",
"http://en.wikipedia.org/wiki/Satellite_tv"
],
[],
[],
[],
[]
] | |
5cp3zx | How did the Marian Reformations influence the transition of the Roman Republic into an Empire? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5cp3zx/how_did_the_marian_reformations_influence_the/ | {
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"text": [
"**Marian Reforms?**\n\nThe \"Marian Reforms\" aren't neccessarily considered to be that distinctive a change, nowadays. It used to be that historians gave Gaius Marius the credit for turning the Roman army from a militia of small-time landowners ... | [] | [] | [
[]
] | ||
22gs22 | Loud sounds can cause ear damage. How about continuous low-tone sounds? | I know that high decibel sounds lead to a loss of hair cells in the ear, but how about continuous low-tone sounds? I like to have a background noise when I sleep or study and was wondering if this would have a bad effect on my hearing. Can low-tone sounds "accumulate" over a long time to cause ear damage? | askscience | http://www.reddit.com/r/askscience/comments/22gs22/loud_sounds_can_cause_ear_damage_how_about/ | {
"a_id": [
"cgmol08"
],
"score": [
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"text": [
"Noise-induced hearing loss (NIHL) can be caused by sudden high-decibel sounds, or continuous lower-volume (but still pretty objectively loud) sounds.\n\nThis [source] (_URL_1_) suggests that 85 dB, or the volume of \"heavy city traffic\", is prob... | [] | [] | [
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1995566/",
"http://www.nidcd.nih.gov/health/hearing/pages/noise.aspx"
]
] | |
6wev0b | how do human nails grow back evenly when one chips or breaks them unevenly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wev0b/eli5_how_do_human_nails_grow_back_evenly_when_one/ | {
"a_id": [
"dm7hnw8",
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"score": [
6,
6
],
"text": [
"Nails grow from the base not the tip of your finger. Sometimes they do grow unevenly if they are damaged badly. ",
"The nail keeps growing from the base and the sticking out uneven part kinda 'erodes' over time? "
]
} | [] | [] | [
[],
[]
] | ||
2t2rbv | Why is the background of a map of the Cosmic Microwave Background always an ellipse? | [An example](_URL_0_) | askscience | http://www.reddit.com/r/askscience/comments/2t2rbv/why_is_the_background_of_a_map_of_the_cosmic/ | {
"a_id": [
"cnvagfk"
],
"score": [
9
],
"text": [
"Those are just maps of the whole sky. You could put it in any [map projection](_URL_0_) you wanted, but astronomers tend to prefer equal-area projections like the Mollweide.\n\nYou can also [find them](_URL_1_) in rectangular maps."
]
} | [] | [
"http://upload.wikimedia.org/wikipedia/commons/3/3c/Ilc_9yr_moll4096.png"
] | [
[
"http://en.wikipedia.org/wiki/List_of_map_projections",
"http://planck.cf.ac.uk/all-sky-images"
]
] | |
3jzbzn | why are condoms more expensive to buy in bulk than they are to buy individually? | Why are they 75¢ out of a gas station vending machine, but $1.50 or more each when bought in boxes at the drug store? Shouldn't they be cheaper to buy in bulk like everything else is? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jzbzn/eli5_why_are_condoms_more_expensive_to_buy_in/ | {
"a_id": [
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"text": [
"The gas station ones probably aren't as good quality, and having sat in that environment, probably haven't been stored according to the instructions on the box, especially when it comes to not letting them get too warm.\n\nI... | [] | [] | [
[],
[]
] | |
1y1mpi | why is it illegal to post a full movie online, but it isn't illegal to post a full video game online (like those "let's play"-style things on youtube)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1y1mpi/eli5_why_is_it_illegal_to_post_a_full_movie/ | {
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"text": [
"Fair Use, they're reviewing the material. That said, the bigger game companies don't like that much either.",
"A movie only plays one way. Just sticking... | [] | [] | [
[],
[],
[],
[
"http://www.reddit.com/r/letsplay",
"http://letsplaylist.wikia.com/wiki/%22Let%27s_Play%22-friendly_developers_Wiki"
],
[]
] | ||
45m9i3 | Origin of steel-cut oats? | A group of friends have been scouring the net for the origins of steel-cut oats to no avail. Maybe the food historians (/u/agentdcf?) or archaeologists (of Britain?) can help us?
We find that steel-cut oats are also known as "Irish" oats, so are they from there?
When did steel-cutting begin - the industrial revolut... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/45m9i3/origin_of_steelcut_oats/ | {
"a_id": [
"czyu066"
],
"score": [
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"text": [
"I don't pay particular attention to oats in my research, generally skipping directly to wheat. That said, I have never come across mentions of steel-cut oats in historical documents. I've seen mentions of rolled oats, but never steel-cut oats ou... | [] | [] | [
[]
] | |
4v95mi | what is the role of a ceo in a company? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4v95mi/eli5what_is_the_role_of_a_ceo_in_a_company/ | {
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"text": [
"The [boss of bosses](_URL_0_), who makes major decisions and handles major strategy. They often act as a conduit or go between for the Board of Directors as ... | [] | [] | [
[
"http://www.investopedia.com/terms/c/ceo.asp"
],
[],
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/210to8/eli5_what_does_a_ceo_of_a_large_company_do_in_a/"
],
[]
] | ||
1e6jlq | how is life in really corrupt countries? and what are they? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1e6jlq/eli5_how_is_life_in_really_corrupt_countries_and/ | {
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"text": [
"These types of questions don't work in ELI5. It is impossible to explain to someone in simple and yeoman's language the intricacies of internal political makeup/culture of dozens of different countries,... | [] | [] | [
[],
[],
[]
] | ||
4914mg | why is the finale of dexter so universally hated? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4914mg/eli5_why_is_the_finale_of_dexter_so_universally/ | {
"a_id": [
"d0o8shi",
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"text": [
"Because at the end of it I felt like I just fucking *WASTED* 8 YEARS of my FUCKING LIFE just to watch him blow up a fucking boat and become a god damn lumberjack in the end!",
"Most decent shows try... | [] | [] | [
[],
[],
[]
] | ||
2w2hzx | why do i get abnormally thirsty when i stay up late after midnight? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2w2hzx/eli5_why_do_i_get_abnormally_thirsty_when_i_stay/ | {
"a_id": [
"con0rtq"
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"text": [
"I'm guessing it has to do with what you had for dinner. Your body probably needs just as much water when you're sleeping but you don't notice it (but am guessing you wake up thirsty). If you eat dinner early and have lots of fluids during the day... | [] | [] | [
[]
] | ||
brx91d | are carbs or sugars in foods like bread or crackers “equal” to those in fruits? | I saw my friend eating a banana, and he said “I’m trying to eat more fruits instead of junk like bread and crackers”, and my other friend said “that doesn’t matter. Carbs are carbs.”
Now at face value, it seems a bit silly: we are all brought up to believe that fruits have other nutrients that are beneficial to us. ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/brx91d/eli5_are_carbs_or_sugars_in_foods_like_bread_or/ | {
"a_id": [
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6,
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"text": [
"Every type of carb provides the same amount of energy by weight but the speed they get converted to usable energy varies. This is known as the glycemic index. Simple sugars found in soda and simple sta... | [] | [] | [
[],
[],
[]
] | |
ezzbgv | How hard would it be for Slavs (Croats, Czechs, Poles, Ukrainians etc...) in Austrian/Habsburg imperial army to rise to high officer position, was it possible? | Usually reading about history of Habsburg state and wars they fought emphasis is that rank and file was recruited from all parts of empire while officers who led them mostly were Germans (Austrians) and aristocrats.
So would it even be possible to rise to high officer rank by someone from Croatia or Polish parts for e... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ezzbgv/how_hard_would_it_be_for_slavs_croats_czechs/ | {
"a_id": [
"fgr1zw4"
],
"score": [
3
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"text": [
"I recently answered a similar question [here](_URL_0_) that you may be interested in. I hope it helps!"
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/ebvuz3/z/fbaoox0"
]
] | |
ztnsu | how was reddit founded, and what are some major events that shaped reddit into what it is today? | What was the original intent of Reddit? Who were the key players? What significant things happened to create the Reddit we know today? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ztnsu/eli5_how_was_reddit_founded_and_what_are_some/ | {
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"score": [
9,
59,
... | [] | [] | [
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"http://www.reddit.com/user/spez",
"http://www.reddit.com/r/reddit.com/comments/17913/reddit_now_supports_comments/?sort=old",
"http://www.reddit.com/user/kn0thing"
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"http://www.youtube.com/watch?v=5rZ8f3Bx6Po"
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"http://blog.reddit.com/2009/10/reddits-new-comm... | |
1s3cra | why do psychological disorders, such as anxiety, cause physiological distress? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1s3cra/eli5_why_do_psychological_disorders_such_as/ | {
"a_id": [
"cdtkpff",
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"score": [
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2
],
"text": [
"Well Generalized Anxiety Disorder is caused by too much adrenaline being produced.\n\nThink of it like you are always faced with a life or death situation and your body produces adrenaline to help you fight for your life or ... | [] | [] | [
[],
[]
] | ||
2myn67 | why are some people able to open their eyes in the ocean without any discomfort, while other people's eyes can be very irritated by the salt water? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2myn67/eli5_why_are_some_people_able_to_open_their_eyes/ | {
"a_id": [
"cm8redh",
"cm8srsy"
],
"score": [
16,
2
],
"text": [
"Bitch grade or non bitch grade, Poseidon decides.",
"I find it hard to believe that people can open their eyes in the ocean without discomfort. I've swam all over the world, and it always stings. That said, cold water i... | [] | [] | [
[],
[]
] | ||
4xkp08 | what are the effects of trauma causing genetic imprinting? | There have been many posts regarding how trauma can lead to genetic imprinting that can last for generations, but how does this occur and what effects does someone experience from it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4xkp08/eli5_what_are_the_effects_of_trauma_causing/ | {
"a_id": [
"d6g8c2p"
],
"score": [
5
],
"text": [
"There's such a thing as epigenetics. Molecules can attach to specific parts of DNA, and activate, deactivate or modify the effect of the gene.\n\nThe specifucs are not well understood. Research is ongoing."
]
} | [] | [] | [
[]
] | |
1pl17f | Why is it bad that Zinn's 'People's History' is biased? Is it even possible to write history without bias? | First an apology. If this question has already been answered, I'm sorry. I skimmed through the threads about Zinn's work and I didn't really see this question specifically ('Why is it bad?') answered.
Some people in this sub seem very critical of 'People's History' for it's bias. For me this doesn't denegrate the... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1pl17f/why_is_it_bad_that_zinns_peoples_history_is/ | {
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"score": [
3,
2,
2,
2
],
"text": [
"FYI, you can catch up on some of the previous discussions, which touch on bias, in this section of the FAQ\n\n[Historians' views of Howard Zinn's \"A People's History of the United... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/wiki/theory#wiki_historians.27_views_of_howard_zinn.27s_.22a_people.27s_history_of_the_united_states.22"
],
[],
[],
[
"http://www.reddit.com/r/AskHistorians/comments/1pjsz6/how_do_historians_account_for_presentism_bias_and/"
]
] | |
5n38bu | Since light takes time to travel how many stars in our night sky don't actually exist anymore? | askscience | https://www.reddit.com/r/askscience/comments/5n38bu/since_light_takes_time_to_travel_how_many_stars/ | {
"a_id": [
"dc8geg9",
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"score": [
30,
5
],
"text": [
"The stars you can see in the night sky are all pretty close -- tens or hundreds or, in a few cases, thousands of light years. Stars have lifetimes of millions to billions of years. So probably they all still exist.",
... | [] | [] | [
[],
[]
] | ||
ctfwvc | why you can instantly dislike someone? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ctfwvc/eli5_why_you_can_instantly_dislike_someone/ | {
"a_id": [
"exkha2s",
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],
"score": [
2,
3
],
"text": [
"Yeah sometimes it's not about what you can see but what you can sense. Vibes, energy, trust your gut - all the same thing really. If it doesn't feel right don't do it. Just because you have similar friends doesn't mean you h... | [] | [] | [
[],
[]
] | ||
5857h1 | why is reddit so popular? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5857h1/eli5_why_is_reddit_so_popular/ | {
"a_id": [
"d8xio2u",
"d8xjs32"
],
"score": [
2,
4
],
"text": [
"People post content for others to enjoy/engage, it's like asking why any social media platform is popular. This difference with a site like YouTube is that for the vast majority, the uploaders are not the creators, so there ... | [] | [] | [
[],
[]
] | ||
4ookbz | when a news story says something like "the fire caused $50 million in damage" how are they calculating the dollar amount? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ookbz/eli5_when_a_news_story_says_something_like_the/ | {
"a_id": [
"d4ebezl",
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46,
4,
4,
2,
3
],
"text": [
"Depending on the scope of the damage, they could get an estimate from the fire department. They know the extent of the damage, and can guestimate what it wou... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
5djso2 | why does eating straight garlic cause a burning sensation in your mouth and throat? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5djso2/eli5_why_does_eating_straight_garlic_cause_a/ | {
"a_id": [
"da53elx"
],
"score": [
4
],
"text": [
"There are defensive compounds in the garlic that turn into sulfuric acid when mixed with water. This is the second sentence."
]
} | [] | [] | [
[]
] | ||
18qufl | why is the 1/4 mile stretch and 0 to 60 the benchmark cars are rated for? | What makes thoes the choice for rating cars? Why can't we test on 0-100 or 1/2 mile stretch? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18qufl/eli5_why_is_the_14_mile_stretch_and_0_to_60_the/ | {
"a_id": [
"c8h5rmj",
"c8h5t2e",
"c8h7fsp"
],
"score": [
3,
13,
5
],
"text": [
"Some cars are unable to get to 100? And 60 is a speed that's legal on highways pretty much all over the world. In Europe they mostly test 0-100kph (62mph).\n\nA 1/4 mile is the usual run for drag raci... | [] | [] | [
[],
[
"http://www.topspeed.com/cars/car-news/the-history-of-drag-racing-ar110505.html"
],
[]
] | |
2kxlmv | why in this day and age are suppositories still prescribed? why would anyone choose a suppository over taking it orally? | Unless you have a physical problem with taking something orally I dont see a medical reason why someone would choose or be asked to take a prescribed medicine as a suppository. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kxlmv/eli5_why_in_this_day_and_age_are_suppositories/ | {
"a_id": [
"clpls8i",
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"score": [
4,
2,
2
],
"text": [
"I'm not a doctor and I don't play one on teevee, but the suppositories I occasionally take are for hemorrhoids. It kind of makes more sense than taking a tablet by mouth.",
"Some people get upset st... | [] | [] | [
[],
[],
[]
] | |
iue3o | If the Universe were to end in a 'Big Crunch' at this exact moment, what would happen? | Would the whole universe cease to exist immediately, would everything end over time, or would something completely different happen? The question's been in my head for the last few days and I can't find any real discussion on the topic. Any answers are much appreciated. | askscience | http://www.reddit.com/r/askscience/comments/iue3o/if_the_universe_were_to_end_in_a_big_crunch_at/ | {
"a_id": [
"c26pdul",
"c26pmo6"
],
"score": [
4,
5
],
"text": [
"It would take a *long* time, similar to the expansion of the Universe. It would be an unlikely scenario though, as the most likely theory for the shape of the Universe, is a flat universe. As it doesn't curve, it won't end i... | [] | [] | [
[],
[]
] | |
4oo7wn | why are they selling the ufc in the peak of its business booming? | I'm sure I'm wrong but it sounds like a terrible idea. They have spent health, people and millions to get it up where it is. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4oo7wn/eli5_why_are_they_selling_the_ufc_in_the_peak_of/ | {
"a_id": [
"d4e7xnt"
],
"score": [
7
],
"text": [
"It makes good business sense to sell while you're at the peak. If the current owners feel that the UFC will never get more valuable, selling now will net them the best profits. "
]
} | [] | [] | [
[]
] | |
17dm71 | the israeli election outcome, what it means to the rest of the world, and how it will affect future peace negotiations | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17dm71/eli5_the_israeli_election_outcome_what_it_means/ | {
"a_id": [
"c84p9q8"
],
"score": [
3
],
"text": [
"There are four main blocs in Israeli politics: the right, the left, the Ultra-Orthodox parties, and the Arab parties. The Arab bloc is the easiest to understand: they usually have around 10% of the 120 seats, and they neither get invited nor seek... | [] | [] | [
[]
] | ||
dizs4a | why is it when our body experiences moments of stress, sicknesses in the body seem to momentarily disappear? | For example, I had a fever, then an earthquake hit, suddenly I had no fever for a while. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dizs4a/eli5_why_is_it_when_our_body_experiences_moments/ | {
"a_id": [
"f3zwvb6",
"f3zza3g",
"f40jjwo"
],
"score": [
18,
7,
3
],
"text": [
"The symptoms are caused by your body, not the disease. Your body raises your temperature to kill whatever is causing you to be sick because that’s better than the damage that would otherwise be dealt. ... | [] | [] | [
[],
[],
[]
] | |
48eknm | if the space station is going 17,000mph, how does anyone get on or off it? also once off, how do they slow down and return to earth? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/48eknm/eli5_if_the_space_station_is_going_17000mph_how/ | {
"a_id": [
"d0j0kb4",
"d0j0t4a"
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"score": [
5,
2
],
"text": [
"anything orbiting earth must be traveling that fast (the exact speed varies by orbiting height, lower you are, faster you need to go to orbit), infact reaching that speed is a substantial part of the rockets job. Its why we... | [] | [] | [
[],
[]
] | |
abomqv | portuguese man o' war life cycle | How do the four individual organisms/polyps come together as a colony? Do they start out that way or is there a stage where they join each other? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/abomqv/eli5_portuguese_man_o_war_life_cycle/ | {
"a_id": [
"ed2903s"
],
"score": [
6
],
"text": [
"This is a fascinating question I have never thought about. After some googling, I have found an answer. A man-o-war is a siphonophore, which are “animals” composed of multiple colonies of these organisms called zooids. Each colony has a specific ... | [] | [] | [
[]
] | |
11egql | Elizabethan Sartorial Customs | Hopefully a short, simple question. In class a few days ago my professor told us that Elizabeth I began wearing heavy white makeup after contracting and subsequently surviving small pox. Did this influence any change in sartorial modes for women of the court in the short or long term? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/11egql/elizabethan_sartorial_customs/ | {
"a_id": [
"c6lr3ff",
"c6lxv59"
],
"score": [
3,
3
],
"text": [
"There was a significant difference in sartorial elegance in the reigns of Henry VIII and Elizabeth I. \n \nArmour is an extremely good example; Henry was a great sportsman as a young man, he jousted, he went to war, he ... | [] | [] | [
[
"http://www.myarmoury.com/feature_armies_eng.html",
"http://www.royalarmouries.org/visit-us/leeds/leeds-galleries/tournament-gallery/elizabeth-i"
],
[
"http://en.wikipedia.org/wiki/1550%E2%80%931600_in_fashion"
]
] | |
217f3s | how do electronic speakers/headphones make different "types" of sounds? | I can understand how they make different pitches, but I don't understand how they make different types of sound, like certain letter sounds. How does a speaker make a "shhh" sound or a "z" sound or any other? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/217f3s/eli5_how_do_electronic_speakersheadphones_make/ | {
"a_id": [
"cgacdyd",
"cgag68s"
],
"score": [
2,
2
],
"text": [
"Think of the letter \"A\". Now say it out loud. Sounds like you sorta said \"Aiee\" right? What you just heard in your own voice is exactly what a speaker does. It has the data that tells it to vibrate at a specific frequenc... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=yoeJk-1UVn0",
"http://en.wikipedia.org/wiki/Timbre"
]
] | |
f99g3i | how do animals find water sources set by humans? | I've seen some videos of people leaving containers full of water for wild animals.
How does animals find these? How do they know there is going to be water in the strange object and not just walk past it? Do animals have some kind of sense for water? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f99g3i/eli5_how_do_animals_find_water_sources_set_by/ | {
"a_id": [
"fiqc6ti",
"fiqlmhj"
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"score": [
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2
],
"text": [
"They don’t. What they do know is that this is a New Thing. New Things are worth investigating, because they might be food (or, conversely, might be a threat that needs to be dealt with.) When investigating, they discover tha... | [] | [] | [
[],
[]
] | |
1rjesn | What was the per-enlightenment explanation of 'static electricity' and other elector-magnetic forces? | I noticed today that I could make a hair on my scarf move without touching it directly. To me this is a fairly normal process, but before there was concept of electricity and magnetism; how did ancient-to early modern thinkers and people explain a static shock? Or the conductive nature of wool and hair? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1rjesn/what_was_the_perenlightenment_explanation_of/ | {
"a_id": [
"cdo1hhd"
],
"score": [
3
],
"text": [
"Check the FAQ before posting, my friend \n\n_URL_0_"
]
} | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/18h0fy/did_the_ancients_give_one_another_tiny_static/"
]
] | |
35meqo | why are school buses still built the same as the always have been? | As far as I can tell, school buses are still built like they have been for decades. As in I see shiny new ones driving around, but they look and drive like they were built in the 70's/80's. Why hasn't their design been updated like every other vehicle on the roads? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35meqo/eli5_why_are_school_buses_still_built_the_same_as/ | {
"a_id": [
"cr5qkqk",
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"score": [
5,
4,
3,
2
],
"text": [
"Because there's very little need. Cars are updated because of many reasons, such as aerodynamics and current aesthetic design considerations.\n\nSchool buses, on the other hand, do... | [] | [] | [
[],
[
"https://www.blue-bird.com/blue-bird/our-buses.aspx"
],
[],
[]
] | |
er755r | when you move the mouse cursor quickly across the computer screen and see multiple cursors simultaneously, is it your eyes that cause the effect or the display? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/er755r/eli5_when_you_move_the_mouse_cursor_quickly/ | {
"a_id": [
"ff213qa",
"ff21pzt"
],
"score": [
6,
5
],
"text": [
"Its the refresh rate (Hz) of the screen causing this. Higher refresh rates gives a smoother image. \n\n\n_URL_0_",
"Not sure if this is the cause of the efdect but there is actually a setting that you can cause that effe... | [] | [] | [
[
"https://youtu.be/Q1cmhZs1P54"
],
[]
] | ||
59ddt4 | apple pay | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59ddt4/eli5_apple_pay/ | {
"a_id": [
"d97ke9g"
],
"score": [
3
],
"text": [
"Credit cards have major security problems. Every time you use one in a store, you give your card number to the store. The card number can be stolen by hardware installed on the payment terminal, by malware installed in the POS or other merchant s... | [] | [] | [
[]
] | |
1nov86 | Why did France abandon its colony in North America (Quebec)? | After the battles of the plains of Abraham, France left its territory to Britain but never tried to conquer it back during napoleonic wars/french revolunary wars/american revolutions. Even though there was, and still is, a vast majority of francophone in the territory. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1nov86/why_did_france_abandon_its_colony_in_north/ | {
"a_id": [
"cckolff",
"ccky2zi"
],
"score": [
3,
2
],
"text": [
"Simply put, there wasn't any interest among the French elite in reclaiming the costly Quebec colonies. As Voltaire put it the loss of Canada was the loss of \"a few acres of snow\".\nFar more important to the french was recl... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Peace_of_Paris_(1783)",
"http://www.jstor.org/stable/1836697?seq=3",
"http://usa.usembassy.de/etexts/history/ch3.htm",
"http://en.wikipedia.org/wiki/Battle_of_the_Saintes",
"http://www.unc.edu/depts/diplomat/item/2007/0103/sich/sicherman_franklin.html"
]
] | |
20tk03 | why are lite beers so heavily advertised on american tv instead of full strength beer? | As an Australian there is nothing worse then lite beer it's basically an avoid at all costs but I can't quite understand whenever I watch American sporting events (mainly NBA) why lite beers are so heavily _URL_0_ this because Americans just prefer lite beer or are there rules/restrictions in place to only allow lite b... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20tk03/eli5why_are_lite_beers_so_heavily_advertised_on/ | {
"a_id": [
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"cg6kjaj",
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"score": [
7,
2,
9,
3,
2
],
"text": [
"\"Lite\" doesn't refer to the alcoholic content, but rather the calorie count. As for the amount of advertising...I dunno, maybe Americans drink more light b... | [] | [
"advertised.Is"
] | [
[],
[],
[],
[],
[]
] | |
w6uok | Do three-star systems exist? | I've heard of binary stars, but are 3-or-more star systems physically possible? If so, have we observed any? | askscience | http://www.reddit.com/r/askscience/comments/w6uok/do_threestar_systems_exist/ | {
"a_id": [
"c5as79o"
],
"score": [
3
],
"text": [
"Our nearest stellar neighbor is Alpha Centauri, which is a binary star system with Proxima Centauri orbiting around them. So yes, it's technically a triple-star system, but more like a pair of stars with a red dwarf orbiting around them at a dist... | [] | [] | [
[]
] | |
357s2v | how does the change in legislature regarding marijuana use affect drug testing for major companies? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/357s2v/eli5_how_does_the_change_in_legislature_regarding/ | {
"a_id": [
"cr1ssdb",
"cr1ssyp",
"cr1ul9l"
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"score": [
3,
3,
2
],
"text": [
"Yes a company can have a policy which the employees sign up to for not using either drugs or alcohol if they believe that it will harm the way they work. If employees then break the policy then they can... | [] | [] | [
[],
[],
[]
] | ||
1xrq6i | why is random mating important for the hardy weinberg equilibrium? | I understand the other points of HWE (no selection, no migration, etc.), but I am struggling to understand why random mating keeps a population in equilibrium.
I've searched for an explanation for this particular aspect, and it keeps going over my head. Help? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xrq6i/eli5_why_is_random_mating_important_for_the_hardy/ | {
"a_id": [
"cfe14c5",
"cfe1vss",
"cfe1w5d"
],
"score": [
3,
3,
2
],
"text": [
"Nonrandom mating is essentially a form of selection.",
"Consider eye color, where Brown is dominant and blue is recessive.\n\nIf people preferred mates with the same eye color, the Bb genotype would... | [] | [] | [
[],
[],
[]
] | |
1w0eb5 | if it is the duty of police to protect the rights of the citizens, why do they protect the government when citizens rights are being violated? | I am in a police academy in hopes to one day become a peace officer and defend the rights of my fellow people. Everyday they drill it into us that police authority comes from the people, and it is their duty to protect people and their rights. Why then, do police fight people when they are protesting for their rights? ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1w0eb5/eli5_if_it_is_the_duty_of_police_to_protect_the/ | {
"a_id": [
"cexibiv",
"cexif54",
"cexishr"
],
"score": [
2,
15,
3
],
"text": [
"Well, I'm not a lawyer, but I would suggest that LEO's aren't there to protect *people*, they are there to protect the *community*. The courts are supposed to protect our rights.\n\nWhen there is peace... | [] | [] | [
[],
[],
[]
] | |
17wlo0 | Has the "Deep South" ever really recovered from the destruction and economic upheaval of the Civil War? | By deep south I specifically mean states like Louisiana, Mississippi and Georgia. As I understand it these states were heavily dependent on slave labor and were major battlegrounds during the war. I noticed these states lag behind the rest of the US in a lot of areas like wealth, education and infrastructure. How much ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17wlo0/has_the_deep_south_ever_really_recovered_from_the/ | {
"a_id": [
"c89h6d1",
"c89itx9",
"c89l0aa"
],
"score": [
3,
2,
16
],
"text": [
"I think at least some of it could be. The Union's stated policy late war was to destroy or liberate all confederate industry, infrastructure and property. Every levee, factory, plantation, mill, and wa... | [] | [] | [
[],
[],
[
"http://datacenter.kidscount.org/data/acrossstates/Rankings.aspx?loct=2&by=v&order=a&ind=7247&dtm=14341&tf=868",
"http://www.msubillings.edu/caer/quality_rankings_of_education_in.htm",
"http://en.wikipedia.org/wiki/List_of_U.S._states_by_income",
"http://www.nea.org... | |
bjw9y3 | In feudal Europe and the Middle Ages, Jews were generally prohibited from owning weapons and armor. Where were the exceptions and when? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bjw9y3/in_feudal_europe_and_the_middle_ages_jews_were/ | {
"a_id": [
"emcmwv1"
],
"score": [
16
],
"text": [
"I can give you two examples of exceptions to this rule in Hungary:\n\n1) Under the rule of Matthias Corvinus (1458-1490) \"Jewish prefects\" were allowed to own and wear swords in public. The most influential Jewish prefect, Jakab Mendel (or Men... | [] | [] | [
[]
] | ||
3b3b58 | why your nose gets plugged up on one side, then you roll over and the clog slides to the other side, all while keeping just 1 nostril clogged at a time... | This gets annoying at night when trying to sleep | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b3b58/eli5why_your_nose_gets_plugged_up_on_one_side/ | {
"a_id": [
"csif12u"
],
"score": [
2
],
"text": [
"I was surprised when I learned that this wasn't just my nose being screwed up. There is a small bit of tissue in your sinuses that partially blocks one nostril at any given time (and changes from side to side). The working hypothesis is that this... | [] | [] | [
[]
] | |
ehxy62 | rare genetic conditions. for example the odds of being born with an extra hand or leg is supposedly 1 in 1700, or the odds of having a 178+ iq is 1 in 10 million. with > 7 billion people why don’t we see these conditions very often | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ehxy62/eli5_rare_genetic_conditions_for_example_the_odds/ | {
"a_id": [
"fcmacpo",
"fcmfzjd",
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"score": [
77,
25,
13
],
"text": [
"Where have you got the odds of an extra hand or legs as 1:1700? \n I can't find any info that Polymelia that is an extra limb is that high.\n\nPolydactyly that is extra fingers or toes can be as hig... | [] | [] | [
[],
[],
[]
] | ||
2afem8 | the difference between the effects of a zero calorie, zero gram sugar soda and a regular soda | I feel like when you compare the two at face value, it's almost like the diet soda is good for you. But what exactly is the difference between the two, and what they're doing to my body? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2afem8/eli5_the_difference_between_the_effects_of_a_zero/ | {
"a_id": [
"ciujfmr"
],
"score": [
12
],
"text": [
"Zero calorie drinks have an artificial sweetener in it called Aspartame (or sometimes Saccharin). It's zero calorie because your body doesn't use the sweetener as energy, and it doesn't give you the effects of regular Sucrose (insulin response).... | [] | [] | [
[
"http://en.wikipedia.org/wiki/High_fructose_corn_syrup_and_health#Obesity_and_metabolic_syndrome",
"http://en.wikipedia.org/wiki/Non-alcoholic_fatty_liver_disease"
]
] | |
2j815t | how does google get the money to drive google map cars all around the world without getting anything in return? what do they get from doing all that work and from all those expenses? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2j815t/eli5_how_does_google_get_the_money_to_drive/ | {
"a_id": [
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],
"score": [
15,
2,
112,
5,
12,
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2
],
"text": [
"Google gets a lot of money in return for their services. They just don't get the money f... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/2hjmgs/eli5_how_does_google_maps_make_money/"
],
[]
] | ||
5jj6e6 | why are 2 litre bottles of coke in australian supermarkets cheaper than 500 ml bottles of coke in australian supermarkets? (2$ vs 3$) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jj6e6/eli5why_are_2_litre_bottles_of_coke_in_australian/ | {
"a_id": [
"dbgjryx",
"dbgk05y"
],
"score": [
3,
5
],
"text": [
"In general, the 2l bottles are much larger, and are frequently served warm, making them unattractive to those who want a grab-and-go drink. By contrast, 16.9oz bottles are a reasonable portion size, are frequently served c... | [] | [] | [
[],
[]
] | ||
4yn3zx | why do competitive divers shave their body hair, yet not wear swim caps? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4yn3zx/eli5_why_do_competitive_divers_shave_their_body/ | {
"a_id": [
"d6p18xu"
],
"score": [
3
],
"text": [
"From what I've been told, swim caps are frowned upon by judges in competitive diving. My daughter dives. Some girls wear caps during practice, but only one wears a cap in competition and it's because she has a braid that goes to het butt."
]
} | [] | [] | [
[]
] | |
249a5y | Did TIME magazine suffer a backlash for naming Hitler "man of the year"? | Pre-WW2, obviously... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/249a5y/did_time_magazine_suffer_a_backlash_for_naming/ | {
"a_id": [
"ch4wtzr",
"ch53lob"
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"score": [
49,
10
],
"text": [
"Time's Man of the Year was historically awarded to the most prominent news-maker of the year. Naming Hitler man of the year was not intended or taken by most people to be an endorsement of Hitler or of Nazism. The tone of ... | [] | [] | [
[
"http://content.time.com/time/magazine/article/0,9171,760539,00.html"
],
[
"http://www.gstatic.com/hostedimg/5ed66428a0b38cd4_large",
"http://www.gstatic.com/hostedimg/7c32ba098418d406_large"
]
] | |
2xrv78 | Was the Battle of Vimy Ridge important for anything other then Canada's ego? | I'm Canadian and when i learned about it in high school the teacher really pumped it up and made it sound really important but when i asked an American friend about it whose really into history he barely knew anything about it. Now i know it was an important defining moment for Canada and I'm not discounting the impor... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2xrv78/was_the_battle_of_vimy_ridge_important_for/ | {
"a_id": [
"cp2vf8e",
"cp2y0ig",
"cp2yob7"
],
"score": [
36,
7,
5
],
"text": [
"Its a bit of a subjective issue, how important is “really important”?\n\nIt was certainly a useful piece of territory to possess. From Vimy Ridge, the Germans had line of sight giving a clear overview ... | [] | [] | [
[
"https://www.google.com/maps/views/view/106097450747729461739/gphoto/6067608434586191298?gl=gb"
],
[
"http://www.amazon.ca/Military-History-Canada-Desmond-Morton/dp/0771064810"
],
[]
] | |
dh7tht | how is it that some of us can eat a diet of junk food and look like a picture of good health and others of us end up with bad skin, digestion issues, poor sleep and other complaints? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dh7tht/eli5_how_is_it_that_some_of_us_can_eat_a_diet_of/ | {
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"score": [
6,
6,
4,
2
],
"text": [
"Nobody is healthy eating junk food, there was a story a month or two ago about a kid who went blind from eating nothing but crisps and chocolate.",
"There are more factors at p... | [] | [] | [
[],
[],
[],
[
"https://dru.com/acne-treatment-services-los-angeles/"
]
] | |
3a1dol | How does Confucius of Ancient China compare to Socrates of Ancient Greece? | Are there any parallels between these two great philosophers from the East and West? Parallels in things such as their educational methods and philosophies, philosophical teaching, lasting effects on their cultures, etc.
I just find it very interested how the East and West have evolved so independently, yet both have ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3a1dol/how_does_confucius_of_ancient_china_compare_to/ | {
"a_id": [
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"score": [
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"text": [
"Both of the philosophers you mentioned were somewhat secular in their philosophical theories. Confucius dealt with social structure and bringing stability to the Warring States Period of Chinese History by claiming that the stability of a nation ... | [] | [] | [
[]
] | |
292lrv | During WWII, why did the Allies choose to invade Normandy and free France first instead of directly invading Germany? | Sorry if it's a really obvious answer I am completely unaware of. I just thought that it would be more effective and timely if they directly invaded and destroyed Nazi Germany, since then France (and other Nazi-controlled areas) would also be freed. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/292lrv/during_wwii_why_did_the_allies_choose_to_invade/ | {
"a_id": [
"cigwhfe",
"cigzclg"
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"score": [
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4
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"text": [
"Because the parts of Germany (ex. Bremerhaven) that are on the North Sea are much further from British ports than Normandy was. That creates a huge logistical problem and it meant the invasion forces was almost certainly g... | [] | [] | [
[],
[
"http://www.raonline.ch/images/edu/edugal1/waddenmap04.gif"
]
] | |
5yo7dk | Why was it acceptable for male masters to have sex with their slaves, but not for females in antebellum southern society? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5yo7dk/why_was_it_acceptable_for_male_masters_to_have/ | {
"a_id": [
"dervz5g"
],
"score": [
11
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"text": [
"Some research makes the argument that it was perhaps not as unheard of as we assume. Martha Hodes wrote a great book in the mid 1990s called *White Women, Black Men.* She argues that interracial relationships between white women and black men we... | [] | [] | [
[]
] | ||
2xk02v | why does the cold side of the pillow feel so good? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2xk02v/eli5_why_does_the_cold_side_of_the_pillow_feel_so/ | {
"a_id": [
"cp0sa70",
"cp0w6nn"
],
"score": [
416,
8
],
"text": [
"Your head has a lot of hot.\n\nBut it doesn't like to be so hot!\n\nSo your head gives the extra hot to the pillow. But the one side of pillow gets hot then too. It gets filled up with hot and then it can't take any more. ... | [] | [] | [
[],
[]
] | ||
bektoh | Why is everyone so worried about a measles outbreak of they're already vaccinated? | askscience | https://www.reddit.com/r/askscience/comments/bektoh/why_is_everyone_so_worried_about_a_measles/ | {
"a_id": [
"el6lrk1",
"el6mu8e"
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"score": [
59,
8
],
"text": [
"A range of reasons. First, not everyone is vaccinated yet.\nIn particular, infants. Who, you know, people tend to care about keeping healthy. Or people with certain allergies or medical conditions who can't receive immuniza... | [] | [] | [
[],
[]
] | ||
2wh5pq | how does nutrition affect healing? | Muscles need nutrients to heal, do wounds need the same? Is there a way to cut off nutrients to things that we don't want developing, such as tumors? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wh5pq/eli5_how_does_nutrition_affect_healing/ | {
"a_id": [
"coqshl8",
"coqsroc"
],
"score": [
2,
2
],
"text": [
"Cancerous cells promote angiogenesis (meaning the growth of blood vessels). This causes cancerous tumors to be kind of like a parasite in that they're able to use whatever nutrients you gain from your diet to proliferate. I ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Lymphocyte"
]
] | |
81a9v2 | closed timelike curve | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/81a9v2/eli5_closed_timelike_curve/ | {
"a_id": [
"dv1xhdd"
],
"score": [
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"text": [
"Hi a closed timelike curve is a path that an object can follow through spacetime such that it arrives back at the same spot, in both space and time. \n\nObjects travel through both space and time. There are limits on how far something can travel ... | [] | [] | [
[]
] | ||
8hhjta | Who would John Wilkes Booth and his family be compared to today, in terms of popularity and celebrity status? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8hhjta/who_would_john_wilkes_booth_and_his_family_be/ | {
"a_id": [
"dyjs9qf"
],
"score": [
2
],
"text": [
"Sorry, but your submission has been removed because we [don't allow hypothetical questions](_URL_0_). If possible, please feel free to rephrase the question so that it does not call for such speculation, and resubmit. Otherwise, this sort of thin... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/wiki/rules#wiki_is_this_the_right_place_for_your_question.3F",
"https://www.reddit.com/r/AskHistorians/comments/4mtauf/rules_roundtable_no_12_dont_play_the_whatif_game/"
]
] | ||
6rgws8 | if the moon is 1000 miles across why will its shadow only cover 70 miles miles during the eclipse? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6rgws8/eli5_if_the_moon_is_1000_miles_across_why_will/ | {
"a_id": [
"dl4xfrq",
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"score": [
3,
4,
8
],
"text": [
"Because the Sun is Enormous.\n\nThe total eclipse is just the region where the whole huge Sun can be blocked by the tiny Moon.",
"Because in our sky, the sun is roughly the same diameter as the Moon... | [] | [] | [
[],
[
"https://www.exploratorium.edu/sites/default/files/SolarEclipse.jpg"
],
[]
] | ||
2kr3rx | why do we have callus on our feet but not on our ass? | Calluses grow on areas where a lot of pressure is put on the skin, we spend a majority of our lives sitting down and applying pressure down there, how come we don't have thickened skin from all the pressure put on that area like we do on our feet? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kr3rx/eli5_why_do_we_have_callus_on_our_feet_but_not_on/ | {
"a_id": [
"clnxc3y"
],
"score": [
3
],
"text": [
"Mainly due to the amount of pressure being applied versus amount of friction. When you sit you rarely move around much. Compared to hands and feet that meet constant pressure and resistance when used.\n\n*Edit, also the ass is quite big...(in the... | [] | [] | [
[]
] | |
3jbdur | sometimes whenever a game updates a mechanic is broken or some major bug might happen. why is this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jbdur/eli5_sometimes_whenever_a_game_updates_a_mechanic/ | {
"a_id": [
"cunupih",
"cunurt2"
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"score": [
2,
4
],
"text": [
"There is 1 bug approximately in every 1000 commands in the source code. They must test the software properly to find the bugs. If they modifying it, but not testing it properly, then the bugs won't will be discovered and fix... | [] | [] | [
[],
[]
] | ||
557c0l | what is this central bank bubble that is being talked about a lot, and how it compares with previous market bubbles? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/557c0l/eli5_what_is_this_central_bank_bubble_that_is/ | {
"a_id": [
"d889qpu",
"d88fz0t"
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"score": [
2,
2
],
"text": [
"An economic bubble occurs when something is being traded at much higher price than it's real value. Best explained by an example:\n\nIn early 1620s Netherlands tulips became very popular very quickly, and were in high demand... | [] | [] | [
[],
[]
] | ||
4kpazf | the potential bayer-monsanto merger | I recently read via a BBC article (_URL_0_) that Bayer was interested in purchasing Monsanto for $62 Billion. What are the potential consequences if this deal goes through? Also, why does Bayer even want to buy Monsanto, especially for such a large amount of money? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kpazf/eli5the_potential_bayermonsanto_merger/ | {
"a_id": [
"d3gorb3"
],
"score": [
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"text": [
"Bayer and Monsanto are two of the world's five largest seed companies (most farmers don't save seeds from year to year, they buy seeds that are developed to maximize yield or minimize cost). Bayer appears to be concerned that the other seed comp... | [] | [
"http://www.bbc.com/news/business-36356022"
] | [
[]
] | |
6s2r41 | Does the refractive index of a medium change as pressure and/or density changes? | askscience | https://www.reddit.com/r/askscience/comments/6s2r41/does_the_refractive_index_of_a_medium_change_as/ | {
"a_id": [
"dl9p7ap"
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"text": [
"It depends whether you are comparing a density change in the same medium or a density difference between two different media. \n\nWhen comparing different media, higher density will usually also have a higher refractive index, but that is not alw... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Brillouin_scattering",
"http://www.nature.com/nphys/journal/v8/n1/full/nphys2130.html?foxtrotcallback=true",
"https://c1.staticflickr.com/4/3735/9500104368_ea10f921bc_m.jpg"
]
] | ||
39m78w | why do almost all dogs show relatively the same amount of intelligence and behavior when the size of their brains' differs greatly? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39m78w/eli5why_do_almost_all_dogs_show_relatively_the/ | {
"a_id": [
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"score": [
3,
16,
6,
3
],
"text": [
"Size of the brain has little to do with the degree of intelligence in this case. Biggest isn't always better.. Look at crows for instance, highly intelligent birds with tiny brain... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Encephalization_quotient"
]
] | ||
1x6z9h | on older tvs/networks, why do blank channels have black and white rapidly moving images and make loud painful sounds [static]? is the occurence a factor of the older tv, or the way networks used to work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1x6z9h/eli5_on_older_tvsnetworks_why_do_blank_channels/ | {
"a_id": [
"cf8n3pq",
"cf8njyd"
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"score": [
2,
3
],
"text": [
"It's due to analog signal noise.\n\nWhat essentially happens is that because there is not any dominant signal on that frequency, you end up seeing the electromagnetic interference from other sources. These may include: Radio... | [] | [] | [
[],
[]
] | ||
7787hg | i created a new facebook account with a completely fake name, and temporary email address. that is all the info i gave. how does facebook suggest people i actually know as 'friends'? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7787hg/eli5_i_created_a_new_facebook_account_with_a/ | {
"a_id": [
"dojr0ck",
"dojrfr8"
],
"score": [
3,
3
],
"text": [
"Reads your contacts, emails, text messages, emails, people in close proximity to you, fb groups you are in, freinds of friends",
"You gave a lot more than just a fake name and fake email, I'm afraid. For starters your IP... | [] | [] | [
[],
[]
] | ||
ugrzq | How do people with brain tumors of large sizes function normally? | I see post of people showing their family members after having "lemon/baseball sized tumors" removed. Wouldn't such a large tumor cause massive brain damage? | askscience | http://www.reddit.com/r/askscience/comments/ugrzq/how_do_people_with_brain_tumors_of_large_sizes/ | {
"a_id": [
"c4vam2p"
],
"score": [
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],
"text": [
"This is because the architecture of the brain is highly modular on the one hand, with different regions responsible for different functions, and on the other hand somewhat redundant, so that some regions can take over the function of others. Ther... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Charles_Whitman#Prelude_to_the_tower_shootings",
"http://en.wikipedia.org/wiki/Hemispherectomy",
"http://en.wikipedia.org/wiki/Charles_Whitman#Autopsy_and_burial"
]
] | |
yr8ar | Is there a nice summary of the American Revolutionary War? | Hello,
The American Revolutionary War doesn't get covered in German schools which means that I have almost no knowledge about that but I'd like to have at least an overview about what happened why and what was the cause and the result of the war (well the general result is kind of obvious). I'm not sure if wikipedia i... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/yr8ar/is_there_a_nice_summary_of_the_american/ | {
"a_id": [
"c5y5bfp"
],
"score": [
3
],
"text": [
"[Short video on it by John Green](_URL_0_)"
]
} | [] | [] | [
[
"http://www.youtube.com/watch?v=HlUiSBXQHCw"
]
] | |
26w8d0 | I'm not positive this belongs here, but I have a question regarding the practice of jury nullification in the United States legal system: | Hey everybody, this is my first question but I love lurking on this sub! Anyway, I'm not 100% positive that this belongs here or anyone will be able to answer, but here goes anyway, and I'm sorry in advance if this is not considered within the scope of this sub. I was reading through the [wikipedia page on jury nullifi... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/26w8d0/im_not_positive_this_belongs_here_but_i_have_a/ | {
"a_id": [
"chv7h3g",
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"score": [
11,
9,
12
],
"text": [
" > I am wondering specifically if anyone knows why the Supreme Court's decision in the Sparf case has led to judges punishing defendants/lawyers who try to inform juries of their right to nullify? Doe... | [] | [
"http://en.wikipedia.org/wiki/Jury_nullification"
] | [
[
"http://scholar.google.com/scholar_case?case=7239960765972592290&hl=en&as_sdt=6&as_vis=1&oi=scholarr"
],
[],
[]
] | |
92etxs | corporate mergers | For instance, in regards to the recent news on Disney buying fox, what specifically is being paid for? Who gets the money and who approves a buy out? Did fox say "we don't want it, it's for sale" or did Disney just say "here's a ton of cash, we now own more of your company than you do, it's ours."? Generally, the whole... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/92etxs/eli5_corporate_mergers/ | {
"a_id": [
"e356z8y"
],
"score": [
6
],
"text": [
"The process of merger or acquisition can vary greatly depending on the nature and structure of the two business.\n\nBut in a common situation, the merger will take place when one company buys all are most another company's stock. Often this is d... | [] | [] | [
[]
] | |
61z8do | Why do rockets turn when leaving the atmosphere? | In basically every video of a rocket leaving the atmosphere, it banks at an angle and then exits. Why is this? | askscience | https://www.reddit.com/r/askscience/comments/61z8do/why_do_rockets_turn_when_leaving_the_atmosphere/ | {
"a_id": [
"dfieoto",
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"dfit6an",
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13,
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7,
15
],
"text": [
"It's called a [gravity turn](_URL_0_) to allow acceleration due to gravity to assist the flight path.",
"It's going into orbit. \n\nObjects can't just ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Gravity_turn"
],
[],
[
"http://www.space.com/26572-how-it-worked-the-apollo-spacecraft-infographic.html"
],
[
"http://www.airzerog.com/en"
],
[]
] | |
osui7 | How does a radio coherer work? | A [coherer](_URL_0_) was one of the earliest devices that could detect radio signals. It was essentially a glass tube filled with metal filings, and an output wire on each end. Initially it would be in a nonconductive state until an rf signal smacked the filings into a more conductive state. This would only work once, ... | askscience | http://www.reddit.com/r/askscience/comments/osui7/how_does_a_radio_coherer_work/ | {
"a_id": [
"c3juyo9"
],
"score": [
3
],
"text": [
"The effect isn't strictly limited to RF, but easier to reproduce with an alternating current signal. This same principle was used in early lightning protection. Carbon granules would not conduct electricity, but a strike would cohere and conduc... | [] | [
"https://secure.wikimedia.org/wikipedia/en/wiki/Coherer"
] | [
[
"http://www.sparkbangbuzz.com/els/coherer-el.htm"
]
] | |
6sbmfy | how does china enforce its internet restrictions and how do they deal with people that try to circumvent those? | Even though some websites are technically blocked, there appears to be no real legal consequences for people who access sites like Facebook or Youtube.
I heard people from mainland China openly mention how they use VPN or a proxy to access Youtube and they don't get fined by authorities or arrested. Some Chinese are e... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6sbmfy/eli5_how_does_china_enforce_its_internet/ | {
"a_id": [
"dlbjalb",
"dlbjq96"
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"score": [
3,
9
],
"text": [
"China doesn't really care people being able to access certain websites at all, they care about people being able to access those things *easily*. Its a matter of being able to control media on least common denominator level... | [] | [] | [
[],
[]
] | |
1mvwf1 | Would Aristotle be famous without Alexander the Great? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1mvwf1/would_aristotle_be_famous_without_alexander_the/ | {
"a_id": [
"ccdd034"
],
"score": [
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"text": [
"Absolutely. By the time Aristotle went to Macedon his reputation was already very much cemented as the leader of the Academy school of philosophy. His move to Macedon was at the end of his career and he had already visited several important citie... | [] | [] | [
[]
] | ||
3llal8 | why is there a black dot in the center of the sun when trying to take a photo of it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3llal8/eli5_why_is_there_a_black_dot_in_the_center_of/ | {
"a_id": [
"cv76lhx"
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"score": [
17
],
"text": [
"Basically what's happening is that when you point the camera directly into the sun, the sheer huge intensity of the light directly on the sun is overwhelming the little chip inside the camera that's responsible for taking the picture. What the c... | [] | [] | [
[]
] | ||
7uwmwj | Shouldn’t an aircraft body act like a faraday cage? How am I able to get a cellular signal inside an aircraft? | Is the signal coming in through the windows? Surely those are too small and sparsely distributed across the body? | askscience | https://www.reddit.com/r/askscience/comments/7uwmwj/shouldnt_an_aircraft_body_act_like_a_faraday_cage/ | {
"a_id": [
"dtnycdk"
],
"score": [
17
],
"text": [
"Those windows are more than big enough. An effective Faraday cage needs holes that are smaller than one half the wavelength of the electromagnetic radiation you want to block. The typical cellular transmission has a wavelength of roughly 30cm, s... | [] | [] | [
[]
] | |
7p2rcs | how do doxxers find out personal info through platforms such as psn and xboxlive? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7p2rcs/eli5how_do_doxxers_find_out_personal_info_through/ | {
"a_id": [
"dse1oar"
],
"score": [
3
],
"text": [
"People are dumb and use the same screen names/email addresses for everything.\n\nGoogle PSN name, find PSN account, see email, Google email, find other accounts, repeat as necessary till you find their Facebook page."
]
} | [] | [] | [
[]
] | ||
48zigm | how survivable is nuclear explosion if you are in a tank? | I know that the nuke can level a city, but buildings aren't that durable. How far your have to be from the explosion to survive if you are in some real armor? (I know that the bombs are much more destructive now, I mean relative to being in a house) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/48zigm/eli5_how_survivable_is_nuclear_explosion_if_you/ | {
"a_id": [
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"score": [
2,
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3
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"text": [
"As far as the blast goes, I guess it would be possible to survive the blow, but the radiation that would kill you.",
"It would depend on a lot of things; the strength of the a... | [] | [] | [
[],
[],
[],
[
"http://nuclearsecrecy.com/nukemap/classic/"
]
] | |
3ps0wf | what is the use of horizontally split doors (if they are real)? | In Tom and Jerry episode "Baby Butch", Butch escapes with his cart that is filled with food, but Jerry tricks him by closing the lower half of the door.
This is a example. I've seen this type of doors in many cartoons. Are they real? and they are used for? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ps0wf/eli5_what_is_the_use_of_horizontally_split_doors/ | {
"a_id": [
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"score": [
8,
5,
3,
2,
2,
2
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"text": [
"In the UK they're called Stable Doors, and they're really handy if you have dogs or children - you can have the door open, talk to visit... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Dutch_door"
],
[],
[],
[]
] | |
5v6rvh | If the Higgs mechanism explains how things have the property of mass, are similar mechanism needed to explain properties like electric charge? | askscience | https://www.reddit.com/r/askscience/comments/5v6rvh/if_the_higgs_mechanism_explains_how_things_have/ | {
"a_id": [
"ddzqakj"
],
"score": [
16
],
"text": [
"Just to clarify - the Higgs mechanism gives elementary particles mass but has little to do with the mass of everyday objects, which mainly comes from the energy of the bound states of QCD (~strong nuclear force).\n\nAnother thing to note is that... | [] | [] | [
[]
] | ||
1kx0vw | lotr dwarves. where do they come from? why didn't the help out more during the events of the trilogy, what happens to them afterwards? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kx0vw/eli5_lotr_dwarves_where_do_they_come_from_why/ | {
"a_id": [
"cbtmh0t",
"cbtmw3l",
"cbtn2fz"
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"score": [
5,
2,
21
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"text": [
"Afterwards they dwindle in number, but [may persist well into the age of man](_URL_0_), as they are a tough and stubborn race",
"Because there aren't a lot of dwarves left. It is explained better i... | [] | [] | [
[
"http://tolkiengateway.net/wiki/Dwarves#Fourth_Age"
],
[],
[]
] | ||
4h8pgj | are facial expressions genetic or do we learn them? | Do we pick them up from adults while we're young?
Or are the muscles in our face 'programmed' to make certain expressions when we're happy, upset, angry, etc? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4h8pgj/eli5_are_facial_expressions_genetic_or_do_we/ | {
"a_id": [
"d2obmqp",
"d2oiie2"
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"score": [
30,
16
],
"text": [
"It's a little bit of both.\n\nThere are certain things we all instinctual just know of - Things like smiling when we're happy. Like grimacing when in pain.\n\nEven people who are blind and have never seen another face smil... | [] | [] | [
[],
[]
] | |
yn0ub | Why is Arachnophobia so common? | askscience | http://www.reddit.com/r/askscience/comments/yn0ub/why_is_arachnophobia_so_common/ | {
"a_id": [
"c5x1oxh",
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26,
16,
8
],
"text": [
"Wait, *is* arachnophobia common? I know that most people don't like spiders or are startled by them, but actual diagnosed cases of arachnophobia are common?",
"I seem to recall reading that many p... | [] | [] | [
[],
[],
[]
] | ||
236kf9 | What part of arc welding is blinding? | So I've been wondering. When you are weld (mig, Tig, stick etc.) why is it so blinding? Is it the actual material burning, or the electric arc? | askscience | http://www.reddit.com/r/askscience/comments/236kf9/what_part_of_arc_welding_is_blinding/ | {
"a_id": [
"cgty03v"
],
"score": [
4
],
"text": [
"Eye damage (blindness) is caused by UV radition (photokeratitis). The UV radiation is emmitted from the electric arc. \n\n"
]
} | [] | [] | [
[]
] | |
1q6n7s | why are carbonated beverages (coke,pepsi) called soft drinks? | They seem too harsh to be called "soft" | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q6n7s/why_are_carbonated_beverages_cokepepsi_called/ | {
"a_id": [
"cd9pqej",
"cd9pqjn",
"cd9rxbm"
],
"score": [
35,
2,
2
],
"text": [
"In contrast to a \"hard\" drink, which contains alcohol. It first became popular during prohibition, so it was clear that the beverage being served did not contain alcohol.",
"It's soft in contrast... | [] | [] | [
[],
[],
[]
] | |
9n7b08 | Do all animals/insects have stereo hearing? | [deleted] | askscience | https://www.reddit.com/r/askscience/comments/9n7b08/do_all_animalsinsects_have_stereo_hearing/ | {
"a_id": [
"e7m6otk"
],
"score": [
3
],
"text": [
"As far as I'm aware, all vertebrates have two ears, though size, shape, structure and presence of external apparatus varies.\n\nInsects have evolved their own hearing organs (several times, actually), called tympanal organs. As far as I can tell ... | [] | [] | [
[]
] | |
ygj4u | Can you test positive on a drug test for eating poppyseeds? | askscience | http://www.reddit.com/r/askscience/comments/ygj4u/can_you_test_positive_on_a_drug_test_for_eating/ | {
"a_id": [
"c5vcc32"
],
"score": [
2
],
"text": [
"Yes. I don't know the threshold, but opiates are made from the poppy flower/plant. Poppy seeds can in fact make your urine test positive for opiates. How many it takes, I'm not sure, but best bet is to just avoid them."
]
} | [] | [] | [
[]
] |
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