q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
arm4rv | how do our bodies break down over time? | In high school biology we're taught that our cells are programmed to replace old and damaged tissue, to the point where our organs are fully replaced after a certain time. If that's the case then why do our bodies slowly break down over time? Shouldn't living forever just be a matter of supplying the body with everythi... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/arm4rv/eli5_how_do_our_bodies_break_down_over_time/ | {
"a_id": [
"ego4rk4",
"ego4y4x",
"ego62xg"
],
"score": [
25,
5,
2
],
"text": [
"Your cell's DNA is like a paper manual for what it needs to do. Every time that cell divides, it photocopies the manual and gives a copy to the new cell.\n\nHowever, every photocopy can only be as good... | [] | [] | [
[],
[],
[]
] | |
5bgdu8 | how does ad revenue keep so many websites alive when so few people actually respond to ads? | So today, almost every digital station uses ad revenue to make money, from Reddit to YouTube to 9GAG but why do they rely so much on just that? So many people have ad blockers these days and NOBODY EVEN CLICKS THOSE ADS. NOBODY CARES ABOUT SOME STUPID AMAZON PRODUCT. Everyone researches before buying something and even... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5bgdu8/eli5_how_does_ad_revenue_keep_so_many_websites/ | {
"a_id": [
"d9o8shd",
"d9o8x0l",
"d9o8x1q",
"d9oan48",
"d9oast4"
],
"score": [
2,
7,
2,
3,
4
],
"text": [
"Imagine if we had tens or hundreds of thousands of people click on ads all over the Internet to cost companies money with no return. ",
"Just because you ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
cwkq2o | Happy 8th Birthday to /r/AskHistorians! Join us in the party thread to crack a joke, share a personal anecdote, ask a poll-type question, or just celebrate the amazing community that continues to grow here! | AskHistorians | {
"a_id": [
"eycazxy",
"eycbaoi",
"eycc60l",
"eyceum9",
"eycfa4s",
"eycggl8",
"eycglwy",
"eycgolj",
"eychqhe",
"eycjnb9",
"eyck5kf",
"eycm0or",
"eycmblw",
"eycn10w",
"eycokz5",
"eycq9qw",
"eycqfnh",
"eycqi3m",
"eycqm88",
"eycqubk",
"e... | [] | [] | [
[
"https://www.youtube.com/watch?v=roRQ2mNwMMQ",
"https://i.imgur.com/Js4kjtW.jpg"
],
[],
[],
[],
[],
[],
[],
[],
[],
[
"https://media.giphy.com/media/OR9y0z0vS0b3q/giphy.gif",
"https://media.giphy.com/media/3KC2jD2QcBOSc/giphy.gif"
],
[],
[],
[],
[],
[],
[],
[],
... | |||
4ud01z | what is "nofap" and why do people do it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ud01z/eli5_what_is_nofap_and_why_do_people_do_it/ | {
"a_id": [
"d5ooq3z",
"d5op4ka",
"d5op9vm"
],
"score": [
4,
3,
9
],
"text": [
"It is when people stop masturbating because they think it will give them more sex drive, more confidence, (more ability to lie to themselves...) It's a complete placebo and continuing to masturbate is a... | [] | [] | [
[],
[],
[]
] | ||
20c7im | why do governments require private corporations for natural resource extraction? can't they extract it all by themselves? | It seems that governments unnecessarily share much of their natural resources with private companies.
This is particularly true for developing countries. The government enlists the help of private sector companies in extracting natural resources like Oil, Gas, Diamond, Copper etc and in turn they give away 30-40 perc... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20c7im/eli5_why_do_governments_require_private/ | {
"a_id": [
"cg1sql3",
"cg1stza",
"cg1sv52",
"cg1uv7u"
],
"score": [
2,
2,
2,
4
],
"text": [
"this is actually a good question :) yay reddit",
"Extracting material out of the ground in an efficient way isn't quite as simple as just grabbing some shovels and digging. Muc... | [] | [] | [
[],
[],
[],
[]
] | |
5d1o59 | what did foucault mean by "power is everywhere"? | I've heard it through out my education, but haven't really grasped it. I've read something like "power is everywhere, it's in every fabric of our existence". Please, explain me like I'm five, what does this mean? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5d1o59/eli5_what_did_foucault_mean_by_power_is_everywhere/ | {
"a_id": [
"da12y6n",
"da14b9z",
"da1qwxi"
],
"score": [
8,
3,
3
],
"text": [
"It's a different way of looking at society. This philosophy believes that power rests in every part of society, that groups that we normally look at as the most powerful are also subject to the power th... | [] | [] | [
[],
[],
[]
] | |
6h1s5h | Do electric cars use electrical energy from the battery more efficiently than gasoline/diesel cars use heat energy from their fuel? | Simple question: In terms of total Joules of energy transmitted to the crankshaft (...or whatever electric cars connect to the drivetrain), which is the most efficient, strictly speaking? | askscience | https://www.reddit.com/r/askscience/comments/6h1s5h/do_electric_cars_use_electrical_energy_from_the/ | {
"a_id": [
"div36b6"
],
"score": [
77
],
"text": [
"Yes. By a very large margin.\n\nA heat engine like a gas engine converts between 20-30% of its thermal energy into kinetic motion at the crankshaft.\n\nAn electrical motor can convert over 90% of the energy within a battery into kinetic motion ... | [] | [] | [
[]
] | |
11t81z | Does cold (Air/Liquid) increase the likelihood of getting or precipitate the effects of a cold/flu? | I understand the pathophysiology and organisms involved in a cold and a flu. I recall reading that certain organisms are more virulent with ambient cold weather. It's a very solidly held belief that being in cold air, especially after taking a shower with wet hair, increases the likelihood of developing a cold or makes... | askscience | http://www.reddit.com/r/askscience/comments/11t81z/does_cold_airliquid_increase_the_likelihood_of/ | {
"a_id": [
"c6pdoaq"
],
"score": [
2
],
"text": [
"The 'common cold' is usually caused by a rhinovirus. Cold temperature itself does not cause illness. [However, temperature effects may facilitate viral infection:](_URL_0_)\n > Although not all studies agree, most of the available evidence from... | [] | [] | [
[
"http://www.ncbi.nlm.nih.gov/pubmed/17705968"
]
] | |
96erc1 | how does medication like imodium stop diarrhea? | I’ve always wondered about this. Does it somehow dry out the waste in your colon or does it make your colon chill out for a minute? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/96erc1/eli5_how_does_medication_like_imodium_stop/ | {
"a_id": [
"e3zzy0u"
],
"score": [
32
],
"text": [
"The intestines have a special nervous system called the 'enteric nervous system' which is made up of two parts called the submucosal plexus and the myenteric plexus. The word \"myenteric\" means that it is situated between two groups of muscles ... | [] | [] | [
[]
] | |
15b8vm | Could it have been possible for Hitler to have been successful in invading Russia, or was it doomed from the start? What decisions could the German Army have made that would have possibly lead to victory? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/15b8vm/could_it_have_been_possible_for_hitler_to_have/ | {
"a_id": [
"c7kwgsc",
"c7kwzjp",
"c7kze9b"
],
"score": [
2,
12,
2
],
"text": [
"In order to imagine a German victory against the Soviet Union in WWII, there is no simple turning point you can look to and say, \"If the Germans had done X at this time, they would have won.\" You re... | [] | [] | [
[],
[],
[]
] | ||
5yi0nr | If a spaceship uses a planet's gravity to gain speed flying in why don't they lose the same amount flying out? | It's always puzzled me how a spaceship could use a planet's gravity to slingshot or gain speed but wouldn't the same gravity cancel out on the other side | askscience | https://www.reddit.com/r/askscience/comments/5yi0nr/if_a_spaceship_uses_a_planets_gravity_to_gain/ | {
"a_id": [
"deqfw6s",
"deqh0xx",
"deqkumf",
"deqkvqp",
"deqph7o",
"deqxmc7",
"derflwe"
],
"score": [
23,
24,
3,
13,
2,
20,
2
],
"text": [
"Because they steal a little bit of kinetic energy from the planet.",
"A reasonable earthbound analogy woul... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
2b6hqd | how is depression "cured"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2b6hqd/eli5_how_is_depression_cured/ | {
"a_id": [
"cj28znn",
"cj290cy",
"cj295rb",
"cj299wf",
"cj29pfn",
"cj29wtd",
"cj2a1ik",
"cj2a388",
"cj2exlm",
"cj2jv6u",
"cj2ku54",
"cj2l9pk"
],
"score": [
42,
29,
13,
26,
5,
9,
3,
9,
3,
5,
3,
2
],
"text": [
"... | [] | [] | [
[],
[],
[],
[],
[],
[
"http://amzn.to/Wt6IRY",
"http://amzn.to/1jM56wT"
],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Intrusive_thoughts",
"http://en.wikipedia.org/wiki/Cognitive_behavioral_therapy",
"http://en.wikipedia.org/wiki/Mood_disorder#Depressive_disorders",
"htt... | ||
ax3ji8 | how do 2 factor authentication apps or rsa tokens work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ax3ji8/eli5_how_do_2_factor_authentication_apps_or_rsa/ | {
"a_id": [
"ehr27u4",
"ehr6rs3"
],
"score": [
3,
2
],
"text": [
"They have a clock, and a secret encryption key inside. They encrypt the time, using the key. You type the answer in, and the computer at the other end (which also has the key {remember that QR code you scanned}) does the s... | [] | [] | [
[],
[]
] | ||
20yitp | How does one come up with a good history essay topic? | Please help me! I'm a fourth year science student taking an environmental history class. I have to come up with my own topic, and write a paper **based on some or all of our readings** this term. (I've read diligently and taken notes, attended seminars, 4h a week.) I have no idea how to come up with a topic. Our main t... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/20yitp/how_does_one_come_up_with_a_good_history_essay/ | {
"a_id": [
"cg80das",
"cg8jovz",
"cg8oqkr"
],
"score": [
6,
2,
8
],
"text": [
"Take something you like\n > fish populations\n\nTake a people group that interacts with said interest.\nObviously whales are mammals, but marine life.\n\n* Native populations, like the [Makah people](_U... | [] | [] | [
[
"http://upload.wikimedia.org/wikipedia/commons/4/4d/Indian_Whalers_Stripping_Their_Prey_at_Neah_Bay_-_1910.jpg"
],
[],
[]
] | |
awd2qn | how does a fly have so much energy to use it's wings for as long as it does? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/awd2qn/eli5_how_does_a_fly_have_so_much_energy_to_use/ | {
"a_id": [
"ehm20l3"
],
"score": [
24
],
"text": [
"Super adapted muscles/metabolism for flight. The flight muscles in insects can be up to 1/5th of their body mass. But it's really all about efficiency. Your cells can use aerobic or anaerobic metabolism to produce ATP from glucose (and sometimes... | [] | [] | [
[]
] | ||
541i78 | why did unlimited data for cellphones/etc.. stop being a thing and data caps are now enforced? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/541i78/eli5_why_did_unlimited_data_for_cellphonesetc/ | {
"a_id": [
"d7y3my2",
"d7y44ss",
"d7ykqku"
],
"score": [
3,
2,
3
],
"text": [
"Most people use like 1-2GB of data/month. Hardcore users might us 5-10GB/month. This is all good and carriers are fine with that.\n\nHowever, when they offer totally unlimited plans, so A-hole decides... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/2G",
"https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=\\(seconds+in+a+month+%2F+2\\)"
],
[]
] | ||
86n97z | why do parts of the world use cdma and others use gma | Is there a reason that there isn't widespread adoption of one and not the other?
edit: I meant GSM | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86n97z/eli5why_do_parts_of_the_world_use_cdma_and_others/ | {
"a_id": [
"dw6h7dx"
],
"score": [
5
],
"text": [
"I assume GMA should be GSM, GSM is a TDMA system. CDMA and TDMA is whay to share a radio channel between multiple uses\n\n\nThe simple explanation is that when digital 2G mobile phone system development started in the 1980 different companies had... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Comparison_of_mobile_phone_standards"
]
] | |
3b50e8 | why does tricare not follow with the affordable health care act rule of being under parent's insurance until your 26? | I tried searching for this so I'm pretty sure it hasn't been answered. Why is it that with TriCare, once you are out of school, you can no longer be under your parent's plan? In my case, I'll be 22 when I graduate but will have to get off of the insurance and pay for my own plan. You have to enroll in some other, shitt... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b50e8/eli5_why_does_tricare_not_follow_with_the/ | {
"a_id": [
"csiwpr1"
],
"score": [
3
],
"text": [
"Because TriCare is not health insurance, and the ACA applies only to health insurance plans.\n\nFrom this [page](_URL_0_):\n\n > TRICARE is not health insurance; it is a federal health care entitlement program only for eligible uniformed service... | [] | [] | [
[
"http://www.tricare.mil/CoveredServices/BenefitUpdates/Archives/01_22_15_TRICARE_vs_ACA.aspx"
]
] | |
2l43lp | Where does carbon 14 come from? | askscience | http://www.reddit.com/r/askscience/comments/2l43lp/where_does_carbon_14_come_from/ | {
"a_id": [
"clrjkgt"
],
"score": [
3
],
"text": [
"It's mostly created on Earth in the upper atmosphere due to bombardment of cosmic rays and nitrogen.\n\nThis is why it's such a good dating tool, stuff sealed from the atmosphere won't get exposed to any more and the amount of nitrogen and the co... | [] | [] | [
[]
] | ||
1km8ei | What happened to a Roman emperor's wealth after he died or passed on the throne? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1km8ei/what_happened_to_a_roman_emperors_wealth_after_he/ | {
"a_id": [
"cbqkvlr",
"cbqmgak"
],
"score": [
6,
5
],
"text": [
"It is hard to give some specific evidence for you, but it would seem that the wealth of Emperors was passed on to the next emperor, in that the finances of the emperor was de facto the same as the wealth of the empire. Howev... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Pertinax"
],
[]
] | ||
d0t3o6 | What gives sea creatures their fishy taste? | askscience | https://www.reddit.com/r/askscience/comments/d0t3o6/what_gives_sea_creatures_their_fishy_taste/ | {
"a_id": [
"ezf5ji5"
],
"score": [
26
],
"text": [
"Fish need to maintain osmotic balance in a saline environment, and one of their strategies to manage this is to load up their tissues with Trimethylamine Oxide (TMAO). This is odorless and not offensive, but when the fish dies bacteria rapidly ... | [] | [] | [
[]
] | ||
1m20p6 | if a black hole is a singular, super-dense, zero-dimensional point in space, then how do they possess mass and diameter? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1m20p6/eli5_if_a_black_hole_is_a_singular_superdense/ | {
"a_id": [
"cc501d9",
"cc504ul"
],
"score": [
10,
7
],
"text": [
"Well, the diameter you're referring to isn't really the diameter of the super dense point, it's the diameter of the sphere within which things can't escape. It's more like the ring around a chained up dog. The dog might... | [] | [] | [
[],
[]
] | ||
8fjbl9 | How exactly do Holograms work? How does the light emitted from the machine stop mid-air to create the images? | [I saw this post](_URL_0_) and it reminded me of a question I’ve always had about this. | askscience | https://www.reddit.com/r/askscience/comments/8fjbl9/how_exactly_do_holograms_work_how_does_the_light/ | {
"a_id": [
"dy45nna",
"dy462eg",
"dy464it",
"dy49gr6",
"dy4ldor",
"dy4q8sl"
],
"score": [
13,
167,
20,
13,
3,
2
],
"text": [
"[Link](_URL_0_) \n\nTechnically, a hologram is 2D.\n\nA 3D \"hologram\" is called a volumetric image and its done using lasers to s... | [] | [
"https://www.reddit.com/r/videos/comments/8fh215/hologram_shown_off_in_hong_kong/?st=JGJASGJL&sh=2c2a9b82"
] | [
[
"https://www.engineering.com/DesignerEdge/DesignerEdgeArticles/ArticleID/16402/3D-Holograms-That-Float-in-Thin-Air.aspx"
],
[
"https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/Holograph-record.svg/1024px-Holograph-record.svg.png",
"https://images-na.ssl-images-amazon.com/images/I/61GqehPK... | |
3t9bal | what causes you to wake up when you (make yourself) fall in a dream? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3t9bal/eli5_what_causes_you_to_wake_up_when_you_make/ | {
"a_id": [
"cx48c4s"
],
"score": [
2
],
"text": [
"The jolt you experience is called a hypnic jerk. It is an involuntary twitch your body makes. We're still not sure what causes it, but scientists think it is a leftover from when we slept in trees. The jerk wakes us up if we're about to fall. Oth... | [] | [] | [
[]
] | ||
1dmjrr | why do we need to install a program/videogame on our computer instead of just opening it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1dmjrr/eli5why_do_we_need_to_install_a_programvideogame/ | {
"a_id": [
"c9rqucz",
"c9rrtqv",
"c9rrw79",
"c9rwe7v"
],
"score": [
17,
2,
44,
2
],
"text": [
"Modern software is very complex and has many components. While it's possible to design a program that comes in a single file and can just be opened/run, it's not very efficient o... | [] | [] | [
[],
[],
[],
[]
] | ||
ewe9aw | how are roundabouts safer? | I drive on roundabouts every day to and from work and in my experience about 10% of people do them correctly. I look at the statistics and it's amazing how much safer roundabouts are. I just can't reconcile my anecdotal experience with the actual statistics. I understand my issue could be regional, but I just can't ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ewe9aw/eli5_how_are_roundabouts_safer/ | {
"a_id": [
"fg1fmg9",
"fg1frqr",
"fg1h080",
"fg1i0f1",
"fg1ix0i",
"fg216uf"
],
"score": [
7,
3,
9,
3,
3,
2
],
"text": [
"Car accidents cause damage based on relative velocity. Two cars going 30 mph head on hit with a force of 30 mph. Two cars going 30 mp... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
3q10sn | Does time change for things big or small? | Does time change for things that are relatively much smaller or larger vs us? Is it different for things that are microscopic vs a whale? How about for quantum particles vs us? | askscience | https://www.reddit.com/r/askscience/comments/3q10sn/does_time_change_for_things_big_or_small/ | {
"a_id": [
"cwb5xyr",
"cwb77iv",
"cwbbwqu"
],
"score": [
7,
17,
5
],
"text": [
"Time does not \"change\" for anyone. Time is what you measure with a clock, period.\n\nAll the talk about time dilation in relativity does not contradict this and instead refers to this fact of nature:... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Time_perception"
],
[]
] | |
1dsbhx | Why isnt there much research regarding this mysteries underwater monument, which might indicate a Lost Atlantis? | I am talking about the Yonaguni monument.
If you read the article its really fascinating, and might be indicative of a lost Atlantis. So why is it that no one here on AskHistorians knows anything about it (I have asked before), and more importantly, why are there are no archaeological campaigns for the site?
This r... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1dsbhx/why_isnt_there_much_research_regarding_this/ | {
"a_id": [
"c9td6dp"
],
"score": [
44
],
"text": [
"Because it is a natural feature. Conspiracy theorists and pseudo-archaeologists seem to be really fond of it though."
]
} | [] | [] | [
[]
] | |
1jfv0o | What did Ethiopia and Thailand have in common? | Ethiopia and Thailand are well-known as two of the only countries to avoid colonization by traditional imperial powers during the European scramble of the 19th century. What did Ethiopia and Thailand have in common that allowed them to remain independent during the land-grabs? Were they just in the right places at the ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1jfv0o/what_did_ethiopia_and_thailand_have_in_common/ | {
"a_id": [
"cbead28",
"cbeaodj",
"cbebjva",
"cbeh3no",
"cbehfy5"
],
"score": [
3,
22,
10,
3,
2
],
"text": [
"Don't forget Nepal.",
"In the case of Thailand, European powers such as the British and the French jockeyed for power around Thailand. For instance, the... | [] | [] | [
[],
[],
[],
[],
[
"http://www.reddit.com/r/AskHistorians/comments/12gn2u/how_did_ethiopia_remain_independant_for_so_long/c6ux31b",
"http://www.reddit.com/r/AskHistorians/comments/qnjq9/how_did_ethiopia_successfully_avoid_colonization/"
]
] | |
12l3vt | ; what exactly is snot? | What exactly is it? I'm coming down with a cold so I'm curious as to what is clogging my nasal cavity. Is it just a way the body disposes of another kind of waste? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/12l3vt/eli5_what_exactly_is_snot/ | {
"a_id": [
"c6vz3jz",
"c6vz4y6",
"c6w0v5m"
],
"score": [
6,
2,
2
],
"text": [
"So, what is \"snot\"? Snot is a euphemism for mucus and mucus itself is made up of mucin (a protein), skin cells, water and inorganic salts and during illness it will also contain bacteria and/or viruse... | [] | [] | [
[],
[],
[]
] | |
3c8co5 | why does cheap ice-tea have this weird dry feeling after you drink it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3c8co5/eli5_why_does_cheap_icetea_have_this_weird_dry/ | {
"a_id": [
"cst6ckh"
],
"score": [
2
],
"text": [
"Green tea and some other preparation methods tend to result in an [astringent](_URL_0_) brew. Sounds like those astringent tannins reacting with your saliva is what you actually dislike. "
]
} | [] | [] | [
[
"https://en.wikipedia.org/wiki/Astringent"
]
] | ||
68yjqn | why is pizza so universally liked? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/68yjqn/eli5_why_is_pizza_so_universally_liked/ | {
"a_id": [
"dh2cj69"
],
"score": [
2
],
"text": [
"Probably because Pizza is a very versatile dish. It's flat bread with some kind of sauce and more often then not cheese, everything else is optional in the grand scheme of things. (Im a deep dish pepperoni with BBQ sauce guy) "
]
} | [] | [] | [
[]
] | ||
1ip1m0 | how anxiety and stress cause physical symptoms (specifically tinnitus, dizziness, headaches, numbness) | I have been having these symptoms for over year as well as have been diagnosed with health anxiety. The doctors have not done extensive investigation for these symptoms, saying it is probably due to stress. I am willing to accept this but would like a better understanding about what physically happens in the body to c... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ip1m0/eli5_how_anxiety_and_stress_cause_physical/ | {
"a_id": [
"cb6oae3"
],
"score": [
2
],
"text": [
"Stress causes your blood pressure to rise and this causes the headache and numbness. Higher blood pressure also makes it easier for your blood to transfer oxygen therefore increasing your stamina. This helps if you are being chased by a lion but ... | [] | [] | [
[]
] | |
2bb9sr | how do surgeons control bleeding once they cut a person open? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bb9sr/eli5_how_do_surgeons_control_bleeding_once_they/ | {
"a_id": [
"cj3l2mp",
"cj3l5x9",
"cj3oeta",
"cj3ouzj",
"cj3rvvk",
"cj3s9di",
"cj3sio6",
"cj3sr4g",
"cj3wv3d",
"cj3zh5r",
"cj4154e",
"cj43vdh",
"cj44y4c",
"cj4614n",
"cj4800d",
"cj4gb4q"
],
"score": [
46,
350,
234,
74,
4,
9,
... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
7584vs | What do we know about the historicity of the Buddha? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7584vs/what_do_we_know_about_the_historicity_of_the/ | {
"a_id": [
"do58j3k"
],
"score": [
35
],
"text": [
"I assume you are talking about whether or not the Buddha was a real person. While I'm not a scholar, historian, or Buddhist. I am keenly interested in this subject and can, at the very least, give some context.\n\nThe traditional Buddhist narr... | [] | [] | [
[]
] | ||
mevpw | Does shutting down a PC/laptop consume more power than keeping it on? | I just read in another subreddit that it has been *tested* that shutting and powering up a computer consumes more electricity than keeping it on all night so you may as well just leave it on.
I've heard stories and theories before but is there any proof? I can maybe understand a small laptop but what about my massive ... | askscience | http://www.reddit.com/r/askscience/comments/mevpw/does_shutting_down_a_pclaptop_consume_more_power/ | {
"a_id": [
"c30d4cg",
"c30d4cg"
],
"score": [
15,
15
],
"text": [
"I can only guess the reasoning comes from the idea that shutting a computer down and starting it back up is a power-intensive process. That claim is absolutely false. Shutting it down and keeping it off saves much more pow... | [] | [] | [
[],
[]
] | |
1cr8d5 | Is it possible for there to be a room whose walls reflect no light? So that even if we shone a light the walls reflect nothing and it appears that there is nothing but darkness? | askscience | http://www.reddit.com/r/askscience/comments/1cr8d5/is_it_possible_for_there_to_be_a_room_whose_walls/ | {
"a_id": [
"c9j80lu"
],
"score": [
2
],
"text": [
"Theoretically, yes. However, there are no materials known to man which have a optical absorptivity of 1.0. Now you have to ask yourself what you mean when you say \"no light\" - do you mean \"No light that I can see\" or \"no electromagnetic ra... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Super_black"
]
] | ||
9axx5r | AskScience AMA Series: I'm Paul Sutter, astrophysicist, amateur cheese enthusiast, and science advisor for the upcoming film UFO. Ask Me Anything! | Hey reddit!
I'm Paul Sutter, an astrophysicist and science advisor for the film UFO, starring Gillian Anderson, David Strathairn, Alex Sharp, and Ella Purnell. I am not nearly as beautiful as any of those people, which is why I'm here typing to you about science.
The film is about a college kid who is convinced he's ... | askscience | https://www.reddit.com/r/askscience/comments/9axx5r/askscience_ama_series_im_paul_sutter/ | {
"a_id": [
"e4yv7jx",
"e4yvqvt",
"e4yxahc",
"e4yyjb8",
"e4yyvsn",
"e4yyx6h",
"e4yzcem",
"e4yzx2d",
"e4z1afx",
"e4z1ic3",
"e4z24fy",
"e4z2ttk",
"e4z31wj",
"e4z4ari",
"e4z4jv0",
"e4z4nsf",
"e4z4xc7",
"e4z4zif",
"e4z4zxi",
"e4z6gdw",
"e... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://jeffreysboldlygoingnowhere.com",
"http://jeffreysboldlygoingnowhere.com/journal/fisherobservatory/",
"http://jeffreysboldlygoingnowhere.com/blog/"
],
[],
[],
[],
[],
[],
[],
[],
[],
[]... | |
6jxnp7 | why do we often struggle to recall which letters are before or after other letters, without going through the alphabet in our heads, but don't have this problem with numbers, even though we learn the letters in order & off by heart as children, just like the numbers? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6jxnp7/eli5_why_do_we_often_struggle_to_recall_which/ | {
"a_id": [
"djhsajt",
"djhsatt",
"djhvg8x",
"djhvr38",
"djhywk9"
],
"score": [
5,
2,
3,
10,
3
],
"text": [
"I would say because basically there are only 10 numbers. 0 to 9. From there it is simple logic to how we formulate them.\n\nThere are 26 letters, it's much... | [] | [] | [
[],
[],
[],
[],
[]
] | |
ev31sf | why is there so many boxing world champions in the same divisions? | As the title suggests Boxing seems to have a confusing amount of world champions, you hear about different federations etc how and why is Boxing setup this way? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ev31sf/eli5_why_is_there_so_many_boxing_world_champions/ | {
"a_id": [
"fft1bvj",
"fft36x2"
],
"score": [
6,
3
],
"text": [
"Money is the main reason, more champions equals more fights more money, then when they box each other even more money, plus they have to pay the federations also so more federations equal more money.",
"Who says there sh... | [] | [] | [
[],
[]
] | |
1n4qrt | Why does the Grand Unified Theory Predict that protons and neutrons will eventually decay? | askscience | http://www.reddit.com/r/askscience/comments/1n4qrt/why_does_the_grand_unified_theory_predict_that/ | {
"a_id": [
"ccfjkml",
"ccfluh6",
"ccfrsjd"
],
"score": [
3,
2,
2
],
"text": [
"Grand unified theories (GUTs) are usually built around group symmetries that include the ones we know of - U(1), SU(2), and SU(3) - as subgroups. Putting them in one symmetry group links (unifies) thei... | [] | [] | [
[],
[],
[
"http://www-sk.icrr.u-tokyo.ac.jp/sk/physics/pdecay-e.html"
]
] | ||
3yamwf | How would the boundary between the liquid and solid core of a planet look? | I've been thinking about the solid core of the earth every since I saw a reference to it somewhere on reddit, and it popped to my mind that there has to be a point where the solid core seperates itself from the liquid, is this a gradual process, how does the superhot molten iron behave RIGHT before turning solid from t... | askscience | https://www.reddit.com/r/askscience/comments/3yamwf/how_would_the_boundary_between_the_liquid_and/ | {
"a_id": [
"cyddpvr"
],
"score": [
6
],
"text": [
"You seem to picture an abrupt, static transitional layer. This is somewhat inaccurate. \n\nFirst, let us imagine approaching this interface from above (i.e. the liquid region). From a long ways up, it's just liquid. As we get closer, we observe s... | [] | [] | [
[]
] | |
1zogq9 | What is the smallest 'thing' that can have a temperature? | This is a question in the same spirit as: "What give's an electron its negative charge." Is there a fundamental thing that carries temperature (sort of like ye olde Caloric theory of heat transfer)? Is there any sort of quantum heat particle - like a phonon - for heat energy? If we follow the mechanical theory of heat,... | askscience | http://www.reddit.com/r/askscience/comments/1zogq9/what_is_the_smallest_thing_that_can_have_a/ | {
"a_id": [
"cfvpmsc"
],
"score": [
2
],
"text": [
"The smallest \"thing\" that can have a temperature is a single particle that carries with it a kinetic energy. To see this imagine that we have a one particle system where the particle is at a high kinetic energy (equal to its average kinetic ene... | [] | [] | [
[]
] | |
1cdcns | How did native Central and South Americans process their first encounter with conquistadors' ships? | I suspect that this is a dose of bad history...
... but a former teacher of mine claimed that Central and South American natives--having relatively limited maritime technology, as compared to Spain--could not "see" conquistadors' ships as they approached land. Is there any truth to this argument? If so, would you ela... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1cdcns/how_did_native_central_and_south_americans/ | {
"a_id": [
"c9ffz8z"
],
"score": [
11
],
"text": [
"It's a bogus claim; the psuedoscience documentary *What the bleep do we know?* popularized it in recent years. There are several websites and videos debunking that movie, but for quick refenence, [here](_URL_1_)'s a short video discussing the re... | [] | [] | [
[
"http://books.google.com/books?id=2mvK60VAdCcC&printsec=frontcover#v=onepage&q=Oct&f=false",
"http://www.youtube.com/watch?feature=player_detailpage&v=rlPiXNlhKFo#t=300s"
]
] | |
15hn7t | How are the accurate/semi-accurate models of the Earth in the past created? Ie. What Pangaea looked like. | askscience | http://www.reddit.com/r/askscience/comments/15hn7t/how_are_the_accuratesemiaccurate_models_of_the/ | {
"a_id": [
"c7mj1pg"
],
"score": [
3
],
"text": [
"Some of the most convincing models of these types are created using paleomagnetic records. The Earth's magnetic field has shifted positions quite a lot since the planet formed, though not in a strictly periodic way. This pattern of reversals can ... | [] | [] | [
[]
] | ||
32w0b1 | Did Caligula throw a party and have his guests thrown into the sea by his guards? | Source: this essay by Robert Louis Stevenson: _URL_0_
"Perhaps the reader remembers one of the humorous devices of the deified Caligula:[9] how he encouraged a vast concourse of holiday-makers on to his bridge over Baiae[10] bay; and when they were in the height of
their enjoyment, turned loose the Praetorian guards[1... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/32w0b1/did_caligula_throw_a_party_and_have_his_guests/ | {
"a_id": [
"cqgpeau"
],
"score": [
2
],
"text": [
"So, perhaps I'm just blind, but I can't find the passage that Stevenson is refering to here. According to the essay, Tacitus would have been the one who described this event, which in itself is suspicious, but I can't even find a reference to Bai... | [] | [
"http://www.online-literature.com/stevenson/essays-of-stevenson/3/"
] | [
[
"http://www.perseus.tufts.edu/hopper/text?doc=Perseus:abo:phi,1348,014:19",
"http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.01.0146%3Abook%3D19%3Awhiston+chapter%3D1%3Awhiston+section%3D1"
]
] | |
wgee0 | how does dandruff form? why does it itch? and how do you prevent from ever getting it if possible? | I take a shower at the end of every day but i still get it some times. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/wgee0/eli5_how_does_dandruff_form_why_does_it_itch_and/ | {
"a_id": [
"c5d3lan"
],
"score": [
3
],
"text": [
"dead skin flakes\n\nirritates the skin\n\n[head and shoulders](_URL_0_), bitch"
]
} | [] | [] | [
[
"http://4.bp.blogspot.com/_TZDqRM96lM8/S84S85f8MVI/AAAAAAAAD98/ChCVvR4y87A/s400/shampoo_004.jpg"
]
] | |
1t0b0q | What are the oldest recorded dreams? | I don't mean things like prophetic dreams in epic stories, just what are the oldest records of someone writing down a normal, everyday dream they had? What's the oldest dream journal that we have? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1t0b0q/what_are_the_oldest_recorded_dreams/ | {
"a_id": [
"ce33kr3",
"ce39jti"
],
"score": [
14,
2
],
"text": [
"This is a difficult question to answer, because once you go back far enough distinguishing between dreams that actually happened and dreams that were just added into the story for dramatic effect is quite difficult. Herodot... | [] | [] | [
[],
[
"http://www.biblegateway.com/passage/?search=Genesis+28%3A10-19&version=NIV"
]
] | |
tfek0 | How well did the Japanese accept baseball in post-WWII occupied Japan? | I'm just seeing how many sports historians we've got in the woodworks here mainly. I know that baseball has had a long storied history in Japan dating back to the Meiji Period. Along the way, Japanese culture has introduced their own set of "unwritten rules" and made the sport much more unique.
I'm interested in anyon... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/tfek0/how_well_did_the_japanese_accept_baseball_in/ | {
"a_id": [
"c4mav6t"
],
"score": [
2
],
"text": [
"Sport is one of my main interests although unfortunately I lean towards soccer. However, I remembered that I had read two articles about baseball and Japan a few years ago. The first was about Japanese-American relations through baseball and the ... | [] | [] | [
[]
] | |
3q8sff | Why is an accretion disk formed around a black hole instead of all the matter getting absorbed by the black hole instantaneously? Does this mean that black holes have a limit for rate at which matter can be absorbed? | askscience | https://www.reddit.com/r/askscience/comments/3q8sff/why_is_an_accretion_disk_formed_around_a_black/ | {
"a_id": [
"cwd5cbg",
"cwd5o87",
"cwddan7"
],
"score": [
17,
5,
5
],
"text": [
"[Conservation of angular momentum](_URL_0_). The material in the accretion disk is in orbit around the black hole. The challenging part is actually explaining how it *does* fall into the black hole. So... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Angular_momentum#Conservation_of_angular_momentum",
"https://en.wikipedia.org/wiki/Magnetorotational_instability",
"https://en.wikipedia.org/wiki/Eddington_luminosity"
],
[
"https://en.wikipedia.org/wiki/Circular_orbit"
],
[]
] | ||
90yz2p | Nelson is venerated in England as being a legendary commander. No other admiral or captain from his era gets such praise (to my knowledge). How much was England's Napoleonic era naval superiority down to Nelson alone? | I'm interested in whether the aura around Nelson is a bit of a myth, or whether he was really that critical to Britain's overall naval victory in the Napoleonic wars. Are there other unsung captains or admirals who don't get the praise that they should?
I'd also like suggestions on a Nelson biography to read that give... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/90yz2p/nelson_is_venerated_in_england_as_being_a/ | {
"a_id": [
"e2w0gmu"
],
"score": [
2
],
"text": [
"I've written about Nelson here a few times before, and about the British navy more generally several more times besides that. \n\nI would say that a short answer to your question is that Nelson's example was important to the British navy during t... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/wiki/profiles/jschooltiger",
"https://www.reddit.com/r/AskHistorians/comments/2b42u0/during_the_napoleonic_wars_how_young_were_naval/",
"https://www.reddit.com/r/AskHistorians/comments/2tynsx/how_much_of_an_effect_did_john_byngs_execution/",
"https://www.red... | |
6tr2nt | Any good documentaries/resources on the Second Mafia War in Italy? | Not sure if this is the appropriate sub but I figure it's worth a shot. The Second Mafia War that occurred in early 1980s Italy sounds very fascinating from what I've read in parts online. I was hoping to find some more in-depth background or documentaries for it but nothing seems to come up. By all accounts it was a p... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6tr2nt/any_good_documentariesresources_on_the_second/ | {
"a_id": [
"dln88t2"
],
"score": [
3
],
"text": [
"John Dickie's *Cosa Nostra* is a good, accessible, reliable history of the Mafia from its earliest days which nonetheless has a strong focus on the period you are interested in. \n\nDickie is Professor of Italian Studies at University College Lon... | [] | [] | [
[]
] | |
dx1u2w | Heat death of the universe seems like a bleak future. Are there other, although maybe less plausible, alternatives that are more "optimistic"? | askscience | https://www.reddit.com/r/askscience/comments/dx1u2w/heat_death_of_the_universe_seems_like_a_bleak/ | {
"a_id": [
"f7oi2ot",
"f7ouyjf",
"f7p27aq",
"f7qf8r3",
"f7uy3ad"
],
"score": [
6,
4,
8,
3,
2
],
"text": [
"The only plausible alternative right now is the \"big rip\" scenario, where expansion of the universe eventually accelerates to the point of ripping even atom... | [] | [] | [
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Eternal_inflation"
]
] | ||
24ha2u | Did the Japanese make racist caricatures & propaganda of Americans during WWII? | From my history text books I remember many examples of American propaganda depicting racist caricatures of Japanese. Did the reverse happen and are there any examples? If not, are there any examples of racist depictions of whites at all by anyone? As a white person I have a hard time imaging this. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/24ha2u/did_the_japanese_make_racist_caricatures/ | {
"a_id": [
"ch74ig1",
"ch7fkme",
"ch7sn6a"
],
"score": [
308,
13,
6
],
"text": [
"Yes they did! Japanese propaganda didn't focus nearly as much (at least not as much as the Americans) on as portraying their enemies as subhuman animals. Rather Japanese propaganda focused heavily on... | [] | [] | [
[
"http://digitalpostercollection.com/propaganda/1939-1945-world-war-ii/japan/japanese-propaganda-targeting-indian-troops-09/",
"http://digitalpostercollection.com/propaganda/1939-1945-world-war-ii/japan/japanese-propaganda-targeting-indian-troops-05/",
"http://digitalpostercollection.com/propaganda/193... | |
7la2e1 | scientists know what the human body and immune system do to fight off colds and flus. why can’t they create a medicine that does that, only faster? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7la2e1/eli5_scientists_know_what_the_human_body_and/ | {
"a_id": [
"drkmlo2",
"drkmmir"
],
"score": [
2,
2
],
"text": [
"the issue with flu is that there are so many causes of it that it's nigh impossible to create one medicine that helps fighting flu\n\nwhy is this? because the body reacts to diseases in a very specific way. The reason we can... | [] | [] | [
[],
[]
] | ||
1po98q | if tigers and lions are big cats, would their roaring sound like meows if we were giants? | Why or why not? I don't understand acoustics well enough to know the answer to this question. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1po98q/eli5_if_tigers_and_lions_are_big_cats_would_their/ | {
"a_id": [
"cd4ag68"
],
"score": [
3
],
"text": [
"Sound from a cat/human/lion or anything else with a 'voice' is produced from vocal cords, literally bands of flesh that when tightened by your throat muscles, vibrate when your breath blows over them proportional to the tension and weight of the ... | [] | [] | [
[]
] | |
1pmyn6 | how are 3d graphics rendered and translated to a video signal? | Is there an agreed upon hardware architecture or language that we use, or is the process more analog - and by that I mean there's only one way it can be coded, translated and rendered. I also doubt any of these terms I'm using are relevant! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pmyn6/eli5_how_are_3d_graphics_rendered_and_translated/ | {
"a_id": [
"cd3zt5r"
],
"score": [
3
],
"text": [
"To try and be simple:\n\nWhen a game loads a graphic, it's loaded from the HDD to RAM. Then, through DirectX or OpenGL (or whatever else methods are available), a request to render the graphic, along with a slew of parameters (x, y, z coordinate... | [] | [] | [
[]
] | |
j61k1 | Are there any major biological differences between different types of fruits once they are metabolized? | Or is fructose simply fructose in the end?
My dad started a diet today, which strictly states that he can have several fruits a day. However, the fruit he chooses that day needs to be the same. In other words, he cannot eat an apple and an orange in one day. Scientifically, I cannot find a good reason why.
I'm thinki... | askscience | http://www.reddit.com/r/askscience/comments/j61k1/are_there_any_major_biological_differences/ | {
"a_id": [
"c29gg6u",
"c29gg6u"
],
"score": [
5,
5
],
"text": [
" > Or is fructose simply fructose in the end?\n\nFructose is fructose and won't change between fruits.\n\nThough different fruits may have different amounts of fructose, and the amount of fiber in the fruit will change its d... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Beta_carotene",
"http://en.wikipedia.org/wiki/Anthocyanin"
],
[
"http://en.wikipedia.org/wiki/Beta_carotene",
"http://en.wikipedia.org/wiki/Anthocyanin"
]
] | |
fh2ram | the difference between feelings and emotions. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fh2ram/eli5_the_difference_between_feelings_and_emotions/ | {
"a_id": [
"fk8fkde"
],
"score": [
5
],
"text": [
"Are we certain there is a difference? I believe the terms are sufficiently synonymous to be used interchangably."
]
} | [] | [] | [
[]
] | ||
1ytvz8 | why does it feel good to tilt back and balance on a chair? | Everyone likes it, it's a fun feeling, but why do we like to do this?
e: should have said "in a chair", not "on a chair" | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ytvz8/eli5why_does_it_feel_good_to_tilt_back_and/ | {
"a_id": [
"cfnsrox",
"cfnvizr",
"cfnyf2n",
"cfnznbi"
],
"score": [
3,
2,
3,
2
],
"text": [
"A combination of fun, comfort, and exhilaration. Who could resist?",
"You know, some things are the way they are just because. This fits under the section of stuff that's feels... | [] | [] | [
[],
[],
[],
[]
] | |
64r9tr | how do we see the "oldest light in the universe"? | Light that is "the oldest in the universe" that we are able to see now - this has always bothered me, logically.
If we are at point "A" in the universe, and the light source is 14 billion light years away at point "B", then that light is 14 billion years old. I understand this.
But, the source of that light should be... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/64r9tr/eli5how_do_we_see_the_oldest_light_in_the_universe/ | {
"a_id": [
"dg4fc9a"
],
"score": [
2
],
"text": [
"The farthest confirmed galaxy we can see today is GN-Z11. The light from that galaxy took 13.4 billions years to reach us, so right now we see this galaxy as 13.4 billions light years away from us. But that's not true. The reality is that the lig... | [] | [] | [
[]
] | |
8keez6 | why does exercise such as running or cycling feel much more strenuous during the first couple of minutes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8keez6/eli5_why_does_exercise_such_as_running_or_cycling/ | {
"a_id": [
"dz6z38t"
],
"score": [
6
],
"text": [
"Blood is constantly pumped all around our body to supply oxygen to all our muscles. In the case of running and cycling, we predominantly use our legs, but seeing as though we still have a regular blood circulation, our muscles find it difficult t... | [] | [] | [
[]
] | ||
57qlgz | female- and male reproductive organs and it's development. | I saw a graphic explanation not too long ago on the progression of the reproductive organs while in the womb, and how the difference between the two is insignificant, even after fully developed.
I lost the link, sadly, but can anyone confirm/debunk this, and maybe explain to me how this works? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/57qlgz/eli5_female_and_male_reproductive_organs_and_its/ | {
"a_id": [
"d8u5es6"
],
"score": [
4
],
"text": [
"It's not exactly correct no. There is a significant difference in the reproductive organs as far as individual functions and physiology go.\n\nBut they're analogous to each other. Meaning, you have cells within each organ that perform similar fun... | [] | [] | [
[]
] | |
8g1zoe | How was piracy in the Caribbean stopped? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8g1zoe/how_was_piracy_in_the_caribbean_stopped/ | {
"a_id": [
"dy914pe",
"dy916j5",
"dy91u0m"
],
"score": [
11,
4,
80
],
"text": [
"I've written a post [here](_URL_1_) ([this](_URL_2_) and [this](_URL_0_) get into some of the economics of it) attempting to explain how the so called \"Golden Age of Piracy\" ended in the Caribbean i... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/7d0rnq/did_any_pirates_ever_set_up_a_protection_racket/dq15x6p/",
"https://www.reddit.com/r/AskHistorians/comments/70hn6p/were_there_if_at_all_any_piracy_going_on_in_the/dn3uhgc/?context=3",
"https://www.reddit.com/r/AskHistorians/comments/89finh/have_t... | ||
87q17v | if babies get antibodies from mothers milk, why then do they get afflicted with diseases the mother has gone through like chicken pox | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/87q17v/eli5_if_babies_get_antibodies_from_mothers_milk/ | {
"a_id": [
"dwepsma",
"dwesuso",
"dweu12n",
"dwfd9aj",
"dwfndpn"
],
"score": [
16,
3,
4,
4,
2
],
"text": [
"Babies grow and change so fast the immunuty wears off and needs to be replenished through immunisation programs. Thats why there are usually courses of vacci... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
16aik3 | Martin Luther (Protestant Reformation) trial | Hi, my history class happens to be doing a mock trial on Martin Luther. I am on the defense and will be examining 2 witnesses (Frederick the wise and Pope Leo X). He is being tried for heresy- that is all my class knows. I am on a team of 4 against the prosecution. My personal views are that of a strong agnostic atheis... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/16aik3/martin_luther_protestant_reformation_trial/ | {
"a_id": [
"c7uabuf"
],
"score": [
2
],
"text": [
"If you haven't already, you really need to read Luther's [95 Theses](_URL_0_) that he nailed to the door of the Catholic Church. The accusations he makes there are where you are going to find good religious evidence against the Pope. I draw speci... | [] | [] | [
[
"http://www.spurgeon.org/~phil/history/95theses.htm",
"http://media.economist.com/sites/default/files/imagecache/290-width/images/print-edition/20111217_MLP004_0.jpg"
]
] | |
2udy80 | why are microtransactions considered bad in games? | This is usually pertains to free mobile and even some big games on PC and consoles. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2udy80/eli5why_are_microtransactions_considered_bad_in/ | {
"a_id": [
"co7jw6v",
"co7k858"
],
"score": [
2,
2
],
"text": [
"First off, those free games are only free for a couple of levels then they tend to take weeks to progress unless you spend money. Also, whoever has more money to waste than you will always have the advantage over you. \n\n... | [] | [] | [
[],
[
"http://youtu.be/WXA559KNopI",
"http://youtu.be/Mhz9OXy86a0?list=PLhyKYa0YJ_5BF-cMaj6gIe-7uD5rZG9ur"
]
] | |
24eopj | why does cocaine and amphetamine makes you feel sober? | No matter how many drinks you had and how drunk you are, theese things seems to clear your mind... how is that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24eopj/eli5_why_does_cocaine_and_amphetamine_makes_you/ | {
"a_id": [
"ch6duwc"
],
"score": [
2
],
"text": [
"Both of these drugs are strong stimulants. While they don't work on the same pathways, the stimulating effect of these drugs counteracts the depressant (slowing down, not necessarily 'sad') effects brought on by alcohol.\n\nBasically, if you've b... | [] | [] | [
[]
] | |
20kdum | How did large communities of African-Americans wind up in California? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/20kdum/how_did_large_communities_of_africanamericans/ | {
"a_id": [
"cg4d2nx"
],
"score": [
13
],
"text": [
"Most African-American migration to California was during World War II, lured by employment opportunities in the shipyards and related defense plants. It's sometimes called [The Second Great Migration,](_URL_0_) by comparison with The Great Migr... | [] | [] | [
[
"http://www.inmotionaame.org/print.cfm;jsessionid=f830575141393800685515?migration=9&bhcp=1",
"http://www.kcet.org/socal/departures/columns/portraits/the-great-migration-creating-a-new-black-identity.html"
]
] | ||
30csyc | will an electrical motor take damage from being overburdened? and if so, why? | For instance if a hill came up while dragging a person om a skateboard with an electrical bike and the bike could not pull anymore, would this "coming to a stop because of too much load" damage the engine internally, if so why? Or is the engine designed to handle coming to a stop like this. How would it be for a gas-en... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30csyc/eli5_will_an_electrical_motor_take_damage_from/ | {
"a_id": [
"cpr7fzw",
"cpr7nvj",
"cprd1qg"
],
"score": [
3,
2,
3
],
"text": [
"It depends on the motor.\n\nMost electrical motors cannot handle being stalled for too long (more than a few seconds in many cases). They'll over heat and burn the windings. Some motors can handle it, b... | [] | [] | [
[],
[],
[]
] | |
1r9k1r | if you held a pair of prescription glasses in front of a camera and recorded something, how would it appear when playing it back? would some people see it blurry and others see it clear? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1r9k1r/eli5_if_you_held_a_pair_of_prescription_glasses/ | {
"a_id": [
"cdkyan9"
],
"score": [
3
],
"text": [
"No, because the camera sensor becomes the \"eye\", and the lens is the optic in front of it. If you put another optic in front of it, you're only changing the light hitting the sensor. You cannot change the optics in front of the eyes of the pers... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Circle_of_confusion"
]
] | ||
3xl1tg | Does one experience "lag time" when viewing a black hole? | I just watched [In a nutshell](_URL_0_). I can't stop thinking about what two people would experience when A watches B enter a black hole - both with lights that flash every second.
For Example:
When B draws near the black hole, as time slows and the light blink longer and slower, wouldn't the light emitted grow dimme... | askscience | https://www.reddit.com/r/askscience/comments/3xl1tg/does_one_experience_lag_time_when_viewing_a_black/ | {
"a_id": [
"cy5l32d"
],
"score": [
22
],
"text": [
" > For Example: When B draws near the black hole, as time slows and the light blink longer and slower, wouldn't the light emitted grow dimmer, longer lasting, and slower to occur to A?\n\nThis is spot on! The quick answer is that as we watch an ... | [] | [
"https://www.youtube.com/watch?v=e-P5IFTqB98"
] | [
[
"https://upload.wikimedia.org/wikipedia/commons/6/6d/Gravitational_red-shifting2.png",
"http://iramis.cea.fr/Images/astImg/1731_2.jpg",
"https://en.wikipedia.org/wiki/Gravitational_time_dilation"
]
] | |
1vcjca | Why did land-based life forms lose gills through evolution? | From what I gather on the wiki page about human evolution, around 300 million years ago amphibians had already appeared and reptiles were starting to evolve on a separate line, losing the gills that allowed them to subsist in water. My question is, why would that happen? Wouldn't the presence of lungs AND gills serve o... | askscience | http://www.reddit.com/r/askscience/comments/1vcjca/why_did_landbased_life_forms_lose_gills_through/ | {
"a_id": [
"ceqwmh0",
"cer1iw7"
],
"score": [
5,
2
],
"text": [
"The areas that external gill type respiration works are the areas that amphibians can be found today - E.G. swamps/marshes. If as a species you can survive away from such an environment for longer you open the potential area... | [] | [] | [
[],
[]
] | |
890fny | why do men snore more and louder as they age? | At Easter dinner, my wife made a comment about how I'm snoring more and louder now that I (well, we) are getting older. My mom, my aunts, and my grandmother all commented that their husbands' snoring got worse over the years as well. Why is this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/890fny/eli5_why_do_men_snore_more_and_louder_as_they_age/ | {
"a_id": [
"dwoiogv"
],
"score": [
6
],
"text": [
"Generally due to being heavier, and/or less muscle tone. Basically your airway is becoming obstructed. The heavier you are the more pressure you have pushing on your airway. And to compound matters muscle tone decreases with age, and now you h... | [] | [] | [
[]
] | |
hj2si | In what order did our senses evolve? | Let's just focus on the 5 major senses that everyone is familiar with and ignore the others.
Out of taste, touch, smell, sight and hearing, in what order did our evolutionary ancestors come to posses them? | askscience | http://www.reddit.com/r/askscience/comments/hj2si/in_what_order_did_our_senses_evolve/ | {
"a_id": [
"c1vufnj"
],
"score": [
11
],
"text": [
"A worthy read:\n\n_URL_0_\n\nTLDR; there are two main sensory types - chemoreceptors that evolved into detectors of a chemical nature (sight, taste, and smell), and mechanoreceptors that evolved to sense physical disturbances (sound/vibration, t... | [] | [] | [
[
"http://scienceblogs.com/pharyngula/2006/10/evolution_of_sensory_signaling.php"
]
] | |
1277mc | Do butterflys try to fly straight? | Do butterflys even try to fly straight? I guess you could test this by just putting it in a box with no wind, but they seem like they'd still just flop all over. | askscience | http://www.reddit.com/r/askscience/comments/1277mc/do_butterflys_try_to_fly_straight/ | {
"a_id": [
"c6svdno"
],
"score": [
5
],
"text": [
"Insects do make saccadic movements which has something to do with the vision. In the [wikipedia article on saccades](_URL_0_) it is stated that the movements occur to prevent blurring. I think that the movements also induce optic flow that helps ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Saccade#Comparative_physiology"
]
] | |
523frf | if i compress an audio file down to 128kbps and then convert it up to 320kbps we know the quality can't increase but the file size grows. what is this extra information that makes the file size grow and why does it do this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/523frf/eli5_if_i_compress_an_audio_file_down_to_128kbps/ | {
"a_id": [
"d7gzxzt",
"d7h0jg7",
"d7h0kc3",
"d7h2d0h"
],
"score": [
4,
46,
4,
2
],
"text": [
"That is where variable bitrate comes into play. Variable bitrate gives a maximum bitrate it can use, but allows the compression to use less if than maximum is not necessary. The b... | [] | [] | [
[],
[],
[],
[]
] | ||
8mwqqq | what is the difference between the concepts "cause and effect" and "action & reaction"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8mwqqq/eli5_what_is_the_difference_between_the_concepts/ | {
"a_id": [
"dzr0rcw",
"dzr0vqb",
"dzr4939"
],
"score": [
6,
2,
5
],
"text": [
"If you think about it a cause and effect is exactly that, pouring hot coffee on your lap is a cause for pain and burns as the effect, action would be the spilling of the coffee however your reaction wou... | [] | [] | [
[],
[],
[]
] | ||
9tgeq1 | how do nonprofits not run out of money | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9tgeq1/eli5_how_do_nonprofits_not_run_out_of_money/ | {
"a_id": [
"e8w4jfp",
"e8w4k65",
"e8w5hxv",
"e8w6e8o",
"e8waexp",
"e8wgsf7",
"e8wqnb8"
],
"score": [
9,
14,
4,
2,
3,
2,
2
],
"text": [
"Most non-profits earn revenue and even profits. Such organizations are not proscribed from earning money, they ar... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
50feey | Why did Robespierre oppose the Enragés, the ultra-left faction demanding price controls for bread? Wasn't he, among the Jacobins, one of the least concerned with private property? | My understanding is Robespierre considered private property a concern that took a back seat to the individual right to life and sustenance. Why wouldn't he be a natural ally to the various Enragés factions demanding price controls for bread? Why wouldn't he consider priest and radical agitator Jacques Roux an admirable... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/50feey/why_did_robespierre_oppose_the_enragés_the/ | {
"a_id": [
"d73w88l"
],
"score": [
6
],
"text": [
"While we could classify the Jacobins, Montagnards, and Cordeliers as \"leftist\" in today's terminology, the reality is that there was intense conflict among those groups to legitimize their vision of the Revolution. After the execution of Louis... | [] | [] | [
[]
] | |
6wi3gt | how does activated carbon work and why it's in every cleansing product now a days? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wi3gt/eli5_how_does_activated_carbon_work_and_why_its/ | {
"a_id": [
"dm88f3q"
],
"score": [
10
],
"text": [
"Activated carbon is just regular carbon, but with a very fine poreous structure which creates a huge surface area for adsorption of all kind. It's widely used as a filtering material in chemical processes or agriculture. \n\nThe sudden rise of i... | [] | [] | [
[]
] | ||
b8erv6 | why can peppers cause blisters without being temperature hot? | When we eat peppers with a high scoville scale they can cause blisters. This makes no sense to me, it's not like we are eating actual fire its just our body telling us that its "hot" without it actually being temperature hot. So why does this happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b8erv6/eli5_why_can_peppers_cause_blisters_without_being/ | {
"a_id": [
"ejxh3ao",
"ejxh3p1"
],
"score": [
7,
2
],
"text": [
" > So why does this happen?\n\nThe \"heat\" in peppers is a chemical called capsaicin. Capsaicin is a chemical irritant (plants use it to deter mammals from eating their fruit) and it can cause contact dermatitis in some pe... | [] | [] | [
[],
[]
] | |
kthcz | the "pre-med"/med school process | MCAT? Interviews? Residencies? Applying to med schools "online only"? When to apply? When specialization occurs? Choosing the school? Does an undergraduate degree suffice prior to applying to medical school? Best undergraduate degree to have? Does a graduate degree in a specific science give you a better chance at gett... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kthcz/eli5_the_premedmed_school_process/ | {
"a_id": [
"c2n41tw",
"c2n41tw"
],
"score": [
2,
2
],
"text": [
"The first step of the process is the post your \"Primary Application\". Typically this is done through a service known as AMCAS (American Medical College Application Service). This serves as a type of common application th... | [] | [] | [
[],
[]
] | |
zxe4q | My son wants to know why we can record visuals and sound but not smell. Will "smell cameras," as he says, exist one day? | He figures that we could capture the particles causing the smell, then reproduce them somehow. I can see what he means, but do not know if this is physically possible. If it was, what might it look like? | askscience | http://www.reddit.com/r/askscience/comments/zxe4q/my_son_wants_to_know_why_we_can_record_visuals/ | {
"a_id": [
"c68j8ut",
"c68kect",
"c68oiq0"
],
"score": [
24,
3,
2
],
"text": [
"Light and sound propagate via waves that we can reproduce fairly well, although there are colours that cannot be accurately represented by the limited capacities of TVs and monitors and such, and not a... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Smell-O-Vision",
"http://en.wikipedia.org/wiki/4D_film"
],
[],
[
"http://silvia.mn.ee.titech.ac.jp/English/MNL_recorder.htm"
]
] | |
22fc0a | what makes a pub different from other bars. | The Irish pub owner's AMA had an interesting comment "all pubs are bars, but not all bars are pubs". Being Canadian I love going to chill bars, and one of these that I go to is an irish free house...a pub...but others are just, bars...what exactly constitutes a pub?
*edit: It seems that historically speaking, there wa... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22fc0a/eli5_what_makes_a_pub_different_from_other_bars/ | {
"a_id": [
"cgm8skh",
"cgmalxc",
"cgmc10l",
"cgmc3in",
"cgmd3oq",
"cgmd4cv",
"cgmd5n2",
"cgmdj20",
"cgmdzab",
"cgme5wp",
"cgme659",
"cgmf0h3",
"cgmf40x",
"cgmf82p",
"cgmfcyy",
"cgmffcm",
"cgmfpta",
"cgmfvan",
"cgmfww2",
"cgmfxe3",
"c... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://imgur.com/5XMnLhW",
"http://imgur.com/6qLLGoQ"
],
[
"http://www.theworldorbust.com/pubs-vs-bars-whats-the-difference/"
],
[],
[],
[],
[]... | |
fxlfaz | does cold water reduce the effectiveness of soap? | Been noticing that my shampoo doesn't foam up as much whenever I am taking a cold shower compared to a hot one.
Does cold water have any effect on this? Or am I just trippin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fxlfaz/eli5_does_cold_water_reduce_the_effectiveness_of/ | {
"a_id": [
"fmv3atj",
"fmv3b18"
],
"score": [
4,
8
],
"text": [
"Heat reduces the viscosity (stiffness) or many fluids. Hot water will let the shampoo better flow and get mixed into your hair. It will also loosen up oils in your hair for the shampoo to bond with and foam.\n\nCold water wo... | [] | [] | [
[],
[]
] | |
vwiun | Would a computer run better in a vacuum? | I was watching this documentary and they mentioned something about lightbulbs.
Apparently lightbulbs are vacuums and as a result the filament inside glows and can glow for days. If exposed to air it quickly burns away.
By this logic... would computers run better if enclosed in vacuums? | askscience | http://www.reddit.com/r/askscience/comments/vwiun/would_a_computer_run_better_in_a_vacuum/ | {
"a_id": [
"c588jz1",
"c588kr0",
"c58ajma",
"c58avcb",
"c58d1hp",
"c58e6vq"
],
"score": [
15,
175,
20,
5,
5,
2
],
"text": [
"Your typical desktop would run much much worse. The CPU generates heat during operation and needs to have air forced over heat sinks... | [] | [] | [
[],
[],
[
"http://www.extremetech.com/wp-content/uploads/2011/06/hard-drive-head-floating.jpg"
],
[],
[],
[
"http://www.waysale.com/images/products/editor/66_15.jpg"
]
] | |
9sr574 | drinking water | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9sr574/eli5_drinking_water/ | {
"a_id": [
"e8qvg84"
],
"score": [
10
],
"text": [
"The answer is simple. The main reason you feel water moving is because it is. You notice it more if the temp is allot different from your body."
]
} | [] | [] | [
[]
] | ||
2lbvn6 | why does my pc installs the same usb device every time i plug it in? | Why does it also re-installs whenever I switch slots? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lbvn6/eli5why_does_my_pc_installs_the_same_usb_device/ | {
"a_id": [
"cltcc9b"
],
"score": [
2
],
"text": [
"Does it happen with one particular device?"
]
} | [] | [] | [
[]
] | |
3vcut4 | what happens physically/chemically when a liquid like water is either absorbed by another substance, or rolls off something, but absorbed by something else? | E.g., Glass VS Dirt | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vcut4/eli5_what_happens_physicallychemically_when_a/ | {
"a_id": [
"cxmdsrf",
"cxmeqry"
],
"score": [
2,
2
],
"text": [
"I'm not sure, but it's probably about dissolving stuff, like dirt, and not being able to dissolve stuff like glass. Maybe more along the lines of if there are minute surface cracks for the water to get into. Glass is more or... | [] | [] | [
[],
[]
] | |
2h95ao | Toxicity of CO2? | The general perception is that CO2 is not toxic, and it only is harmful as an asphyxiant agent, replacing oxygen. That's what my anorganic chemistry prof told me and what I found in some posts here when I was searching if it had been asked before. But in my fire department's SCBA course CO2 was described as an nerve ag... | askscience | http://www.reddit.com/r/askscience/comments/2h95ao/toxicity_of_co2/ | {
"a_id": [
"ckqq5wq",
"ckqvhf9"
],
"score": [
3,
3
],
"text": [
"CO2 causes suffocation. It does by replacing oxygen in your red blood cells. Hemoglobin, the protein that makes up the majority of your red blood cells (giving them the red color because of the iron it contains) is charged w... | [] | [] | [
[
"http://www.cdc.gov/niosh/npptl/resources/certpgmspt/meetings/09172009/pdfs/9CO202PresentWJW.pdf",
"http://en.wikipedia.org/wiki/Hemoglobin"
],
[
"http://jp.physoc.org/content/222/2/267.short",
"http://www.disaster.org.tw/ENGLISH/ann-med/Vol4suppl1/6.pdf"
]
] | |
46lzba | What makes a black hole hungry? | This [Hubble](_URL_0_) article talks about the newly discovered supermassive black hole "feeding" and "resting." What turns on and off a black hole's appetite? | askscience | https://www.reddit.com/r/askscience/comments/46lzba/what_makes_a_black_hole_hungry/ | {
"a_id": [
"d069i8s",
"d06ihiq"
],
"score": [
9,
2
],
"text": [
"Black holes don't have 'hunger'. What they do, is draw in any nearby matter. Sometimes the surrounding matter is absorbed in 'chunks' .. and those cycles are called 'feeding' and 'resting'. It's not real though. ",
"Blac... | [] | [
"https://www.spacetelescope.org/news/heic1602/"
] | [
[],
[]
] | |
4iccxy | is there any way to permanently grow taller after pubescence? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4iccxy/eli5is_there_any_way_to_permanently_grow_taller/ | {
"a_id": [
"d2wwef9",
"d2wwnyx",
"d2wwnz0",
"d2wwoxd",
"d2wxayz"
],
"score": [
2,
90,
17,
7,
9
],
"text": [
"Whoever else posted their comment here on this thread I wanted to let you know that you are likely shadow banned since your comment is not visible. ",
"... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
o8num | What are some simple but stunning science experiments or demonstrations that you know of? I am teaching Science in a developing country and really want to spark the students' interest. | **EDIT 2:** *WOW! Your responses have been amazing. While due to lack of available materials I will not be able to do all of the suggested activities, I will do as many as I can manage! The experiments or demonstrations I cannot do I am tucking into my pocket to save for when I am teaching in the states again.*
*I... | askscience | http://www.reddit.com/r/askscience/comments/o8num/what_are_some_simple_but_stunning_science/ | {
"a_id": [
"c3f9m83",
"c3fa3gm",
"c3fa5l6",
"c3fa7jt",
"c3fal6l",
"c3favtw",
"c3faxwb",
"c3fb81a",
"c3fba9q",
"c3fbbl3",
"c3fbjtb",
"c3fbn36",
"c3fbnz4",
"c3fbohr",
"c3fbpnq",
"c3fbv72",
"c3fbvn4",
"c3fby97",
"c3fc0ox",
"c3fc28s",
"c... | [] | [] | [
[],
[
"http://sciencecafe.org/content/2008/12/22/extract-dna-from-fruit/"
],
[
"http://www.youtube.com/watch?v=f2XQ97XHjVw"
],
[
"http://www.youtube.com/watch?v=RBN_cYEgeMA"
],
[
"http://www.sciencebob.com/experiments/index.php"
],
[],
[],
[
"http://www.youtube.com/watch?v=... | |
8ese3p | Why did all three of the great independent empires to have existed in India (Mughal, Gupta and Maurya) fail to conquer the southern tip of the Subcontinent? | Was there something about the Dravidian South that made it difficult to hold, uninteresting to conquerors, or both? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8ese3p/why_did_all_three_of_the_great_independent/ | {
"a_id": [
"dxxtpa4",
"dxy86il"
],
"score": [
399,
166
],
"text": [
"Hello! I asked this question a few years ago and got [some terrific responses!](_URL_0_) ",
"Here is a slightly modified version of an answer I wrote on r/history a few months ago:\n\nFirst and foremost, there are mu... | [] | [] | [
[
"https://redd.it/3xpx32"
],
[
"https://en.wikipedia.org/wiki/Madurai_Sultanate",
"https://en.wikipedia.org/wiki/Allahabad_pillar#Samudragupta_inscriptions",
"https://en.wikipedia.org/wiki/Bahmani_Sultanate",
"https://books.google.com/books?id=h_w2AQAAMAAJ&pg=PA36&dq=%22the+greater+... | |
6l8g0l | I've read somewhere that ancient China and Rome were each aware of the other's existence. Is that true? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6l8g0l/ive_read_somewhere_that_ancient_china_and_rome/ | {
"a_id": [
"djshlpy"
],
"score": [
3
],
"text": [
"Yes, there are many historical records and strong evidence on both sides that verify this. But they were not just aware of each other, they in fact sought to actively trade with one another, which is how the Silk Road came about. The vast distanc... | [] | [] | [
[
"Depts.washington.edu"
]
] | ||
4bhfs7 | at which distance is electricity essentially slowed? | Electricity seems rather instant. You turn the switch on, and 50 feet away the light bulb turns on instantly. How far away would we have to place the light bulb to observe a delay between the time we pull the switch and the time the light turns on?(And I mean perceivable to the human eye, not some .001 second delay.) A... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bhfs7/eli5_at_which_distance_is_electricity_essentially/ | {
"a_id": [
"d193x3c"
],
"score": [
2
],
"text": [
"The electromagnetic force, like all forces, travels at the speed of light.\n\nSo to experience a second delay, it would have to be placed a light second away (186282 miles)\n\n"
]
} | [] | [] | [
[]
] | |
2ozhah | Practical applications of the particle accelerator at Berkeley? | Electrons in plasma accelerated up to an energy of 4.2 giga-electron-volts. Energy gradient 1000 times that of LHC. But what are the potential applications/implications of what they accomplished? | askscience | http://www.reddit.com/r/askscience/comments/2ozhah/practical_applications_of_the_particle/ | {
"a_id": [
"cmssmcp"
],
"score": [
3
],
"text": [
"**Semi-conductors**: The semi-conductor\nindustry relies on accelerator technology to\nimplant ions in silicon chips, making them\nmore effective in consumer electronic\nproducts such as computers, smart phones\nand MP3 players. \n**Clean air an... | [] | [] | [
[
"http://www.acceleratorsamerica.org/files/AcceleratorsFactSheet_102309_Final.pdf"
]
] | |
cbn80t | why does stretching certain muscles feel good yet others remain painful even as i gain flexibility? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cbn80t/eli5_why_does_stretching_certain_muscles_feel/ | {
"a_id": [
"ethq6ci"
],
"score": [
3
],
"text": [
"So flexibility is a a little complicated. You have muscles, tendons, and ligaments, and all three have flexibility. Tendons attach muscle to bone, while ligaments attach bone to bone.\n\nIf you try and touch your toes with straight legs, you'll p... | [] | [] | [
[]
] | ||
1iiwgg | Were societies such as the Roman Empire, the Prussians, etc. matriarchal at some point, thus leading to their decline? Matriarchal in this context refers to female-dominated. | *(Note: Post inspired by [this](_URL_0_) thread. I have yet to read anything that supports the notion of matriarchal societies leading to decline, especially in terms of the Roman Empire, etc., but am appealing to your authority and expertise)*
Were societies such as the Roman Empire, the Prussians, etc. matriarchal... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1iiwgg/were_societies_such_as_the_roman_empire_the/ | {
"a_id": [
"cb4zacx",
"cb4zd6d"
],
"score": [
74,
23
],
"text": [
"I suggest crossposting that thread to /r/badhistory.\n\n(Edit: never mind, [it's already there](_URL_4_).)\n\n(Double edit: [it's so bad it has two different threads there](_URL_1_).)\n\nThe short answer: no. \n\nThe s... | [] | [
"http://www.reddit.com/r/TheRedPill/comments/1ih2ls/societies_that_turn_matriarchal_are_on_the_decline/"
] | [
[
"http://www.utexas.edu/courses/rome/210reasons.html",
"http://www.reddit.com/r/badhistory/comments/1iiz00/a_golden_treasury_of_bad_history_results_when/",
"http://www.avoiceformen.com/feminism/feminism-and-the-disposable-male/",
"http://en.wikipedia.org/wiki/Pro_Caelio",
"http://www.reddit.com... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.