q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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5slzdq | why by do we use exchange rates to represent value of currency (eg: strong vs weak dollar)? | For example, if 1 USD = 1.32 CAD, who cares? What's more important is what $1 can buy, right? If a candy bar costs $1 in the US and $1.32 in Canada, then the is no difference. How do we measure value of currency based on what goods we can buy after we exchange it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5slzdq/eli5_why_by_do_we_use_exchange_rates_to_represent/ | {
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"Because when you look past the price your paying at the register, the product your buying has its own inputs. \n\nLet's say (making up numbers), a jar of pea... | [] | [] | [
[],
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"https://en.wikipedia.org/wiki/Purchasing_power_parity"
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1ner0u | Why does my bathroom mirror fog up but my phone screen doesn't? | Even though my phone is right next to my mirror, it doesn't fog up while I'm taking a shower, while my mirror does.
I have seen it fog up when going from the cooler (~30F) into the backroom (~100F + humidity) at my work (grocery store in DFW).
edit: also I wasn't sure what flair to set, so I did Engineering simply du... | askscience | http://www.reddit.com/r/askscience/comments/1ner0u/why_does_my_bathroom_mirror_fog_up_but_my_phone/ | {
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"The H2O in the air will condense on your mirror forming a fog, so it is passing from the gaseous to the liquid state, so it need to cool down. This is possible because your mirror is relatively cool an... | [] | [] | [
[],
[],
[]
] | |
273lcc | Why does water gather together? | When I spill water, why does it create a puddle instead of evenly dispersing? And when it starts to flow, why does it move in a little line or stream instead of just spreading in all directions?
Same goes for water droplets and when water comes out of a hose.
Thanks for your help! | askscience | http://www.reddit.com/r/askscience/comments/273lcc/why_does_water_gather_together/ | {
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"Yay finally a question I can answer!\n\nWater molecules want to bond together and form hydrogen bonds between each other. This causes them to exhibit surface tension. The water molecules at the surface of the liquid don't have as many other molec... | [] | [] | [
[]
] | |
2yizt0 | why do dogs suck at hide-and-seek when they have a super sensitive olfactory sense? | [When dogs play hide-and-seek](_URL_0_) it looks like they're only using their eyes. Why aren't they relying on their noses? Wouldn't a dog's sense of smell be able tell them exactly where someone is hiding? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yizt0/eli5_why_do_dogs_suck_at_hideandseek_when_they/ | {
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"Remember that their noses are so sensitive that to them, the whole house is saturated with the smell of everything. Imagine trying to find one hidden bottle of perfume in the perfume department at macy's - it's just too much sensory input to b... | [] | [
"https://www.youtube.com/watch?v=CQJt-Jk4WDU"
] | [
[]
] | |
w14do | Why does the force of gravity appear to have contradictory effects in the solar system? | askscience | http://www.reddit.com/r/askscience/comments/w14do/why_does_the_force_of_gravity_appear_to_have/ | {
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"For the same reason you don't fall towards the sun, but instead fall towards the Earth: Earth's gravity is stronger than the Sun's at this distance.\n\nAs far as the tides go, the ... | [] | [] | [
[],
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4i6rsu | i understand the first level (employer-employee) of direct deposits but how does it work between my bank and my employer? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4i6rsu/eli5_i_understand_the_first_level/ | {
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"I'm not 100% sure, but I'm fairly certain it is just a simple banking transfer.\n\nYour company runs a \"payroll application\" most likely bought from a vendor like ADP. That application runs through a... | [] | [] | [
[],
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c20pkp | how does washing detergent work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c20pkp/eli5_how_does_washing_detergent_work/ | {
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"text": [
"All soaps are surfactants. A surfactant is a molecule of which one end is attract to water (hydrophilic) and the other end doesn't like water (hydrophobic) but likes oils and dirt. Oils and dirt stick to the hydrophobic end ... | [] | [] | [
[],
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4lx22u | how come the middle-eastern and asian civilizations got surpassed even though their knowledge and techniques were far superior to those of the western world? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4lx22u/eli5_how_come_the_middleeastern_and_asian/ | {
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1nqxbe | Do internally ingested radionuclides tend to accumulate in certain tissues as opposed to others? | It seems well established that iodine-131 accumulates in the thyroid, cesium-137 in muscle tissue, and strontium-90 in bone.
However, the accepted ICRP internal exposure models assume uniform distribution of radionuclides throughout the body. Isn't this a fairly egregious oversight by the ICRP? I'm further assuming ... | askscience | http://www.reddit.com/r/askscience/comments/1nqxbe/do_internally_ingested_radionuclides_tend_to/ | {
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"Yes, some radionuclides accumulate in certain tissue (based on their chemical properties), and the internal dose models account for this.\n\nThe ICRP internal exposure model is a compartment model, and they assume uniform distribution of a nuclid... | [] | [] | [
[]
] | |
719ycu | Who are Slovenians and what's their history? | Are they some Italian or Austrian who got slavicized? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/719ycu/who_are_slovenians_and_whats_their_history/ | {
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"Not exactly.\n\nThe Slovenes are a Slavic-speaking ethnic group living primarily on the eastern region of the Dolomite Alps, historically known as the 'Julian Alps'.\n\nSlavic-speakers probably began entering the region in the 7th century, but f... | [] | [] | [
[]
] | |
w9tpk | Why does semen begin thicker immediately after ejaculation and then later "dissolve" into a much thinner liquid? | I can find detailed descriptions of exactly what's in semen (i.e. 5% sperm etc) but **not of why it looks and acts the way it does**. After ejaculation, my semen (and the other boys I've been with- this isn't just me) starts out in two fluids, a thicker whiter fluid, sometimes almost clumpy, and a thinner more transluc... | askscience | http://www.reddit.com/r/askscience/comments/w9tpk/why_does_semen_begin_thicker_immediately_after/ | {
"a_id": [
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"text": [
"Thankfully, Wikipedia has a crystal clear answer for this:\n\n\"During the process of ejaculation, sperm passes through the ejaculatory ducts and mixes with fluids from the seminal vesicles, the prostate, and the bulbourethral glands to form the ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Semen#Appearance_and_consistency_of_human_semen"
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djmbmz | what is the point in separating the armed forces into army, navy and air force when they all have their own foot soldiers, planes and ships? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/djmbmz/eli5_what_is_the_point_in_separating_the_armed/ | {
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"In the US it's largely tradition, other countries may have other reasons like intentionally weakening their military to prevent coups.\n\nThere's also an argument that can be made that having separate branches with specializ... | [] | [] | [
[],
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2ior69 | How were ancient generals educated in the art of war? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ior69/how_were_ancient_generals_educated_in_the_art_of/ | {
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"I don't know enough to give you an informed answer however I would recommend you narrow down your question to a specific country (or at least region) and include some sort of time period you're interested in.\n\nYou have a r... | [] | [] | [
[],
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"http://www.reddit.com/r/AskHistorians/wiki/rules#wiki_no_.22in_your_era.22_or_.22throughout_history.22_questions"
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1djawn | Is it realistic to say that nothing in the universe exists that is at a completely stopped state? | Since the planets are all moving, and galaxies are all moving away from each other, that would mean that everything is in some sort of motion at all time? | askscience | http://www.reddit.com/r/askscience/comments/1djawn/is_it_realistic_to_say_that_nothing_in_the/ | {
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" > Since the planets are all moving, and galaxies are all moving away from each other, that would mean that everything is in some sort of motion at all time?\n\nDepends on your reference frame. All motion is relative."
]
} | [] | [] | [
[]
] | |
6zum2y | i understand 4th dimensional space. but what exactly is 5th dimensional space? does it exist outside time and space? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6zum2y/eli5_i_understand_4th_dimensional_space_but_what/ | {
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"The universe, as far as we can tell, has 3 dimensions of space and 1 of time. If there were 4 dimensions of space instead, everything would be the same except there would be anoth... | [] | [] | [
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2no0tl | Ancient Egypt | Hey there, I've been trying to find some readings on Egypt but i dont know where a good start would be for me, I'd like to expand my knowledge on ancient Egypt, and not so much the later dynasties, I've learned about the collapse of Egypt, I'd like read about things prior to 4000 years, i want to discover the mysteriou... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2no0tl/ancient_egypt/ | {
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"Not to discourage further comments, but take a look at the [Ancient Egypt section of the AskHistorians book list](_URL_0_). Some of those ought to provide good information for you.\n\nI'll leave the question of \"covering up\" things to someone w... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/wiki/books/middleeast#wiki_ancient_egypt"
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24o92d | How did a Holy Roman Emperor differ from the kings of England or France? | Were the vassals of the HR emperor more independent? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/24o92d/how_did_a_holy_roman_emperor_differ_from_the/ | {
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"The organization and hierarchy of the Empire were complicated to say the least. It wasn't a Kingdom in the true meaning of the word, like France or England for example. It had some republican characteristics, but it wasn't a republic either. \n\... | [] | [] | [
[]
] | |
24f7tr | why does my phone's battery drain so much faster when it's hot? | Maybe I just have a defective phone...but it seems like my phone loses battery much more quickly in the heat. Is this based on anything? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24f7tr/eli5_why_does_my_phones_battery_drain_so_much/ | {
"a_id": [
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"text": [
"Lithium-ion batteries perform well at elevated temperatures; however, prolonged exposure to heat reduces longevity. You've probably shortened your battery's life permanently through excessive exposure to heat. Time to get a new one."
]
} | [] | [] | [
[]
] | |
159hbu | Road Salt and road longevity | I've heard a number of different people say that road salt has an adverse effect on roads. I had always figured that roads that were cracked and full of potholes were the result of plows and water/ice expanding in holes in the ground.
Is there any chemical and/or physical effect the salt would have on roads that wo... | askscience | http://www.reddit.com/r/askscience/comments/159hbu/road_salt_and_road_longevity/ | {
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"Road salt increases the number of freeze/thaw cycles that you mentioned, which in turn causes faster deterioration. I would also think that the chloride ion in salt could cause corrosion in bridges reinforced with steel.\n\nEdit: [Gotta have sour... | [] | [] | [
[
"http://www.sciencedaily.com/releases/2012/11/121105081505.htm"
]
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6mf9ro | why are governments often referred to by their country's capital in news articles? | For example, a news article might read "Moscow today announced..." or "Berlin says that...". | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mf9ro/eli5_why_are_governments_often_referred_to_by/ | {
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"Because there are not enough government names. \"The Prime Minister said ...\" could be any of dozens of people. Using their given name sounds like they are just an opinionated person, it doesn't carry the prestige of thei... | [] | [] | [
[],
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k5dgd | Why does reading often trigger yawning? | Whenever I read I often am met by a flurry of consecutive yawns. Is there any potential biological reason for this, or are my books that bad? | askscience | http://www.reddit.com/r/askscience/comments/k5dgd/why_does_reading_often_trigger_yawning/ | {
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"Are you lying in bed?",
"In a similar vein I was wondering if reading causes you to become tired. I'm fine until I start reading , then I am usually progressively getting more ... | [] | [] | [
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6p1xja | Why is there so little French influence except for names of places in the American Midwest unlike in Quebec? | France colonized a large area in North America known as the "New France." The Midwest, Louisiana, and Quebec were all once parts of New France. Montreal, being the capital of New France, and the rest of Quebec seem to still be affected heavily today, exemplified by the large French-speaking population in Quebec. But wh... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6p1xja/why_is_there_so_little_french_influence_except/ | {
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"France didn't establish many major trading posts or cities in the Midwest, so cultural influences didn't stay strongly tied to the land. Look at this map:\n\n_URL_0_\n\nThere aren't any significant French settlements in the... | [] | [] | [
[
"http://www.virginiaplaces.org/settleland/graphics/newfrance1750.png"
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[]
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4kkygu | why haven't avocados been bred to have tiny pits? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kkygu/eli5_why_havent_avocados_been_bred_to_have_tiny/ | {
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"You can't just \"breed\" things arbitrarily to have whatver quality you want. You have to find one that naturally mutated that feature, then breed that plant. For example, no one bred seeds out of grap... | [] | [] | [
[],
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"http://www.theguardian.com/lifeandstyle/2013/aug/30/avozilla-world-largest-avocado-sale"
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z3ffe | is it better to put your computer on standby, hibernate or turn it off after every session? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/z3ffe/eli5_is_it_better_to_put_your_computer_on_standby/ | {
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... | [] | [] | [
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f0qp4x | why do some playstation one game discs have a blue coloring while others are black? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f0qp4x/eli5_why_do_some_playstation_one_game_discs_have/ | {
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"They just look cooler and made it easier to identify counterfeits. I very much doubt the PS2 can identify disc color.",
"I don't remember those being blue, but some ps2 ones we... | [] | [] | [
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"https://www.gamespot.com/forums/playstation-2-314159270/why-are-some-ps2-game-discs-blue-25534846/"
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2qoa3h | what did de blasio say to piss of the cops that they turned their back on him? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qoa3h/eli5_what_did_de_blasio_say_to_piss_of_the_cops/ | {
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4h91wi | If I were to analyse the DNA of a newborn baby, and then wait 80 years before analysing that person's DNA once more, how genetically dissimilar might I expect the two samples to be? | askscience | https://www.reddit.com/r/askscience/comments/4h91wi/if_i_were_to_analyse_the_dna_of_a_newborn_baby/ | {
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"Not an expert, but I remember an interesting fact about cells from a fetus becoming integrated into the body of the mother. If I remem... | [] | [] | [
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"http://www.ncbi.nlm.nih.gov/pubmed/25282114",
"http://www.ncbi.nlm.nih.gov/pubmed/25916592"
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2sl34f | how, when, and why did it seem everyone decided white was the go to color for toilets? | I know you can buy toilets in a vast range of colors, but why are white colored toilets, and to a lesser extent bathtubs and sinks always come stock in plain white? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sl34f/eli5_how_when_and_why_did_it_seem_everyone/ | {
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"Toilets are generally ceramic, and ceramic is white unless it's dyed some other. Dyeing ceramic is expensive, so a non-white toilet will be more expensive and is therefore more likely to be found in h... | [] | [] | [
[],
[],
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"http://www.thisamericanlife.org/radio-archives/episode/112/ladies-and-germs"
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230gft | what would happen if i soaked my body in a tub of vodka? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/230gft/eli5_what_would_happen_if_i_soaked_my_body_in_a/ | {
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9ayc01 | what makes us emotionaly numb when we are depressed? | And how does it come back? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ayc01/eli5_what_makes_us_emotionaly_numb_when_we_are/ | {
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"Emotional numbness is one of the key markers in the first step of diagnosing things like major depression, but also PTSD and depersonalization disorders and they sometimes have different causes. \nWith depression, it's often heavily influenced b... | [] | [] | [
[]
] | |
4glu9z | What is the best place to find primary documents about New France? | Travelling to the Archives in Quebec City or Montreal is not really the most convenient method, so is there a way to access primary documents for the place and period that are accessible through a database of some kind? I'd love to be able to access letters, censuses and the like. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4glu9z/what_is_the_best_place_to_find_primary_documents/ | {
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"text": [
"I'm not sure what kind of sources you're looking for, but you can start with books on whatever topic you're interested in and check their footnotes. One particularly good book I've read is Bonds of Alliance, by Brett Rushforth"
]
} | [] | [] | [
[]
] | |
wfe9z | why pug's tails curl. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/wfe9z/eli5_why_pugs_tails_curl/ | {
"a_id": [
"c5cuh7n",
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"score": [
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"text": [
"Some say humans bred them that way because we liked it and it has no other purpose.\n\nOthers say it's because pugs are short so we bred them to have curly tails so that it wont drag on the ground. This makes sense because a... | [] | [] | [
[],
[]
] | ||
46pxv7 | why is it that the larger dominoes fall slower? | Is it because the momentum given to the larger domino is lesser? But isn't the momentum compensated by the fact that the smaller domino has a greater velocity?
& nbsp;
[Domino Effect](_URL_0_) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/46pxv7/eli5_why_is_it_that_the_larger_dominoes_fall/ | {
"a_id": [
"d06zm5p",
"d070uw8"
],
"score": [
5,
2
],
"text": [
"The bigger something is, the more inertia it has. That is to say, the harder it is to get it to stop doing one thing and start doing another.\n\nIn this case it would be stopping it from just sitting there and making it fall... | [] | [
"http://i.imgur.com/ExZxmNA.gifv"
] | [
[],
[]
] | |
29ayra | why does some cheese cost so much more than others when they all seem be made of milk & bacteria and are made the same way? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29ayra/eli5_why_does_some_cheese_cost_so_much_more_than/ | {
"a_id": [
"cij5gq5",
"cij5m77"
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"score": [
2,
2
],
"text": [
"Many time and resource consuming factors can go into making a cheese, and ultimately the price of a cheese. For example, some cheeses are aged, meaning they must be stored and preserved and therefore cannot be produced as qu... | [] | [] | [
[],
[]
] | ||
7btsyf | To what extent could the Cold War be attributed to the transition from Roosevelt to Truman? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7btsyf/to_what_extent_could_the_cold_war_be_attributed/ | {
"a_id": [
"dpkrrqu"
],
"score": [
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],
"text": [
"This is one of those questions that has consumed historians pretty much since the Cold War began. This is a fierce historiographical debate on top of a complicated factual question, but I'll try and lay out the various positions.\n\nRoosevelt is ... | [] | [] | [
[]
] | ||
4si9xa | how do the algorithms work that convert audio to a faster speed without changing pitch? | I know there are many explanations available online, but I have not found one that is truly ELI5 worthy. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4si9xa/eli5how_do_the_algorithms_work_that_convert_audio/ | {
"a_id": [
"d59l1f6"
],
"score": [
12
],
"text": [
"Imagine you have a tape of someone playing a song on a piano. If you play the tape fast, the pitches are all higher, which you don't want.\n\nBut since you're a really excellent musician yourself, instead, you listen to the notes and write shee... | [] | [] | [
[]
] | |
787n5t | why do you see a normal picture after looking at a negative picture and then at a white background? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/787n5t/eli5why_do_you_see_a_normal_picture_after_looking/ | {
"a_id": [
"doro2ud"
],
"score": [
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"text": [
"Your retina has light sensitive pigments. When light strikes them it causes a chemical reaction. The pigment is saying \"I have been struck by a beam of light to which I am sensitive. I am bent out of shape.\" Its nerve sends the signal to the br... | [] | [] | [
[]
] | |
jn7qg | the casimir effect | I tried reading the Wikipedia article, but it loses me pretty quickly. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jn7qg/eli5_the_casimir_effect/ | {
"a_id": [
"c2dhrff",
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"score": [
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67,
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101,
67,
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"text": [
"I'm a grad student working with the Casimir force right now. I'll admit, my theoretical knowledge isn't complete, but I'll give t... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
fruovo | Why was cannabis, a drug used for thousands of years in the Middle East, banned by Western nations in the 1800s even though they found little to no harmful effects? Was there an element of xenophobia? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fruovo/why_was_cannabis_a_drug_used_for_thousands_of/ | {
"a_id": [
"flyk8iu"
],
"score": [
4
],
"text": [
"There's always more to say on the subject, but [here's a previous thread](_URL_0_) with an answer from u/Roggenroll that may be helpful. Basically, it was almost entirely due to xenophobia, with very little consideration given to the drug's actua... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/30ddn9/why_was_cannabis_prohibited_in_the_usa/"
]
] | ||
106dmv | Is there any physical limit to the Periodic Table? Or could we theoretically just keep fusing elements together to make heavier ones? | My basic understanding is that heavier elements are typically made when 2+ lighter elements are fused together (e.g. inside of stars, or synthetically in a lab). If there were no technological restrictions, is there any limit to how high the periodic table could go?
I found an article on [Period 8 elements](_URL_0_) ... | askscience | http://www.reddit.com/r/askscience/comments/106dmv/is_there_any_physical_limit_to_the_periodic_table/ | {
"a_id": [
"c6atgbw",
"c6augcz",
"c6avht3",
"c6awhme"
],
"score": [
3,
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4,
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],
"text": [
"It's 3:00am here and I have no idea why I'm still up, but here is something that might help answer your question. I'm too tired to try to explain it though... _URL_0_",
" > \"M... | [] | [
"http://en.wikipedia.org/wiki/Period_8_element"
] | [
[
"http://en.wikipedia.org/wiki/Periodic_table#Future_and_end_of_the_periodic_table"
],
[],
[],
[
"http://en.wikipedia.org/wiki/Nuclear_force"
]
] | |
3rrpe3 | AskHistorians Podcast 049 - Shaft Tombs of West Mexico | [**Episode 49 is up!**](_URL_7_)
[The AskHistorians Podcast](_URL_4_) is a project that highlights the users and answers that have helped make /r/AskHistorians one of the largest history discussion forum on the internet. You can subscribe to us via [iTunes](_URL_1_), [Stitcher](_URL_0_), or [RSS](_URL_5_), and now on ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3rrpe3/askhistorians_podcast_049_shaft_tombs_of_west/ | {
"a_id": [
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"score": [
2,
4,
10,
2,
4,
5,
3
],
"text": [
"FYI, some follow-up discussion in this thread\n\n* [What Age were the Native Americans in?](_URL_0_)",
"/u/mi... | [] | [
"http://www.stitcher.com/podcast/tas-stacey/the-askhistorians-podcast",
"https://itunes.apple.com/us/podcast/the-askhistorians-podcast/id812302476?mt=2&ign-mpt=uo%3D8",
"http://www.reddit.com/r/AskHistorians/search?q=title%3A%22askhistorians+podcas... | [
[
"https://www.reddit.com/r/AskHistorians/comments/41f35d/what_age_were_the_native_americans_in/cz1u3as?context=10000"
],
[],
[
"https://www.academia.edu/400453/Recent_Research_In_Western_Mexican_Archaeology",
"https://www.academia.edu/400445/Controlling_for_Doubt_and_Uncertainty_Through_Multiple_... | |
1jf7ri | why is there the colours in vertical stripes on when you put in an old vcr tape? | Im curious if it serves a purpose or if its just a colour test or glitch? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jf7ri/eli5_why_is_there_the_colours_in_vertical_stripes/ | {
"a_id": [
"cbe1tvc"
],
"score": [
2
],
"text": [
"It is a color test that the consumer can use to adjust the color saturation on their television. It was produced by the Society of Motion Picture and Television Engineers and is refereed to as the SMPTE color bars"
]
} | [] | [] | [
[]
] | |
1ddnvd | How Did British People of the Early 18th Century View Americans? | Were they stereotyped as hicks? Religious nuts (for having Puritans, Quakers, and Catholics)? Slavers? Or were there more positive stereotypes? Or were they just ignored? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ddnvd/how_did_british_people_of_the_early_18th_century/ | {
"a_id": [
"c9pfua0",
"c9pg9bt",
"c9pgnwe",
"c9pij1e"
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"score": [
10,
80,
107,
30
],
"text": [
"The Parliamentary Records page has some archives if you don't mind digging a bit. I know I've seen some linked here on speeches specifically about the nascent American govern... | [] | [] | [
[
"http://www.parliament.uk/business/publications/"
],
[
"http://www.constitution.org/primarysources/spg.html",
"http://www.let.rug.nl/usa/documents/1701-1750/the-north-carolina-biennal-act-1715.php",
"http://www.let.rug.nl/usa/documents/1701-1750/governor-gabriel-johnstons-request-to-repeal-the... | |
92iz58 | How can receipt paper be able to leave a "pencil like mark" when you score it with your nail? | askscience | https://www.reddit.com/r/askscience/comments/92iz58/how_can_receipt_paper_be_able_to_leave_a_pencil/ | {
"a_id": [
"e364p13"
],
"score": [
58
],
"text": [
"A lot of receipt printers use thermal paper, which show marks with heat. The heat from friction between your nail and the paper could be doing it. Try putting a lighter near the receipt sometime—if it’s using thermal paper, it will leave a mark ... | [] | [] | [
[]
] | ||
18nb5t | the movie primer (spoilers) | I just finished this movie and here's what I got.
1. They created a time machine.
2. They wanted to use it to make money from March Madness.
3. Aaron wanted to use it for his own selfish needs and to save someone from getting murdered with a shotgun?
4. Aaron fucks everything up.
That's what I concluded from the stor... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18nb5t/eli5_the_movie_primer_spoilers/ | {
"a_id": [
"c8gcfih"
],
"score": [
20
],
"text": [
"Everything after your #1 is pretty far off the mark.\n\nThey didn't make money from sports betting. They made money from the stock market. Every afternoon they checked the closing prices of different stocks and looked for one that gained a lot o... | [] | [] | [
[]
] | |
2ed1o4 | What was the first, real city? | What or where was the first major, organized city throughout history? And why was it the first? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ed1o4/what_was_the_first_real_city/ | {
"a_id": [
"cjyh58a"
],
"score": [
2
],
"text": [
"Because we are always unearthing new ancient findings, this answer changes over time. Currently, however, the city of Jiroft, uncovered in 2001 in modern day Iran, is currently considered by many the oldest city and the first civilization. It was... | [] | [] | [
[]
] | |
8f5g4y | is there a good reason why we need to wear socks with shoes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8f5g4y/eli5_is_there_a_good_reason_why_we_need_to_wear/ | {
"a_id": [
"dy0oopg",
"dy0tksf"
],
"score": [
17,
7
],
"text": [
"Reduce friction. Absorb sweat. Keep insides of shoes cleaner, fresher. Adjust fit of loose shoes.\n\nI've searched tha seven seas fer an answer. Yer not alone in askin', and kind strangers have explained:\n\n1. [ELI5: why d... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/comments/178bta/eli5_why_do_we_wear_socks_with_closed_shoes/",
"https://www.reddit.com/r/explainlikeimfive/comments/57ti97/eli5_why_does_putting_socks_which_cover_around_5/",
"https://www.reddit.com/r/NoStupidQuestions/comments/6m0fpa/why_do_we_wear_socks/"
... | ||
bnomux | Was the moon landing ever (implicitly or explicitly) set as a "win condition" for the space race? | I've seen a lot of images based on the fact that the Soviets were the first to a lot of space-related achievements and the US mostly only "won" by virtue of landing on the moon first. So, is this a case of American propaganda making us believe they won? Or had the moon landing been set as a "victory condition" before t... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bnomux/was_the_moon_landing_ever_implicitly_or/ | {
"a_id": [
"en7sv19"
],
"score": [
35
],
"text": [
"Modified from an [earlier answer of mine](_URL_0_)\n\nAs popular as the narrative of the \"race to the moon\" is in popular culture and discourse, both the Soviet and US leadership balked at the escalating costs and dubious rewards from manned s... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3b9rxy/why_was_the_ussr_so_interested_in_space_flight/",
"http://www.presidency.ucsb.edu/ws/?pid=9416",
"http://io9.com/vintage-memorabilia-celebrates-the-soviet-unions-cosmon-1638971938",
"http://io9.com/5548624/the-adorable-kitsch-of-the-ussrs-dog... | |
bs5yv1 | What's up with the Hubble constant disparity and changing universe age (as 12.5b years)? | [Mystery of the Universe’s Expansion Rate Widens With New Hubble Data - _URL_3_](https://www._URL_3_/feature/goddard/2019/mystery-of-the-universe-s-expansion-rate-widens-with-new-hubble-data/)
[Latest Hubble Measurements Suggest Disparity in Hubble Constant Calculations is not a Fluke - _URL_1_](https://www._URL_1_/ne... | askscience | https://www.reddit.com/r/askscience/comments/bs5yv1/whats_up_with_the_hubble_constant_disparity_and/ | {
"a_id": [
"eok4pai"
],
"score": [
4
],
"text": [
"This is a really important question, but we don't really know what the reason is yet. The most we can say about it is that the disparity is between measurements of the Hubble constant in the *early* universe (from Planck measurements of the Cosmi... | [] | [
"https://whyy.org/articles/new-study-says-universe-expanding-faster-and-is-younger-than-we-thought/",
"spacetelescope.org",
"https://www.spacetelescope.org/news/heic1908/",
"nasa.gov",
"https://world.wng.org/content/unsettled_science",
"https://www.nbcnews.com/mach/science/universe-may-be-billion-years-yo... | [
[
"http://hubblesite.org/news_release/news/2019-25",
"https://thumbor.forbes.com/thumbor/960x0/https%3A%2F%2Fblogs-images.forbes.com%2Fstartswithabang%2Ffiles%2F2019%2F02%2Fearly-vs-late.jpg"
]
] | |
60pa6z | what scientifically stops us from creating life? | We know what we are made of but what stops life from starting when we put the necessary ingredients together?
Edit: I'm not talking about creating another human. But just a small single celled form of life. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60pa6z/eli5_what_scientifically_stops_us_from_creating/ | {
"a_id": [
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"score": [
6,
3,
3,
3,
7,
13,
2
],
"text": [
"We can't put them together from scratch yet. Close, but not quite. \n\nAlso, life is a dangerous thing...there'... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
9gl8uc | how did people subsist on mostly grains in the past? iow, why did a failed wheat harvest cause a famine? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9gl8uc/eli5_how_did_people_subsist_on_mostly_grains_in/ | {
"a_id": [
"e64y51h",
"e64z1vr",
"e64z9xj",
"e652ep4"
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"score": [
8,
3,
3,
2
],
"text": [
"Grain-based foods like bread or rice are pretty much the most efficient calorie delivery mechanism available. Today we think about watching what we eat and trying not to get fat, b... | [] | [] | [
[],
[
"https://ourworldindata.org/diet-compositions"
],
[],
[]
] | ||
3ca742 | With the use of lightning rods, would it be possible to store/utilize the power of lightning? | Kind of like Frankenstein used it to create his monster, but in a more conservative and useful way...maybe like filling massive batteries or placing it all into a type of reservoir. | askscience | http://www.reddit.com/r/askscience/comments/3ca742/with_the_use_of_lightning_rods_would_it_be/ | {
"a_id": [
"cstpo1j",
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"score": [
5,
9,
2
],
"text": [
"It could be possible, but it's not practical. The problem would be that all that electricity comes in at such a high power over such a short amount of time, and the respective technology that would rece... | [] | [] | [
[],
[],
[]
] | |
8e513b | why does one get paranoid at times? in other words, are there receptors for paranoia in the body? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8e513b/eli5_why_does_one_get_paranoid_at_times_in_other/ | {
"a_id": [
"dxsfris"
],
"score": [
6
],
"text": [
"The endocrine system regulates your flight or fight response, releasing various chemicals that attach to your receptors and make you feel scared.\n\nParanoia is a reaction to fear, such as is anger.\nIf there is no immediate threat, your brain is... | [] | [] | [
[]
] | ||
2qmze2 | Why was Romania the only Communist Country not to cut ties with Israel? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2qmze2/why_was_romania_the_only_communist_country_not_to/ | {
"a_id": [
"cn7x3f6"
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"score": [
13
],
"text": [
"It seems hard to believe now, especially after Ceausescu clung by his fingernails to power while the rest of Eastern Europe turned away from Communism, but during the seventies and eighties he had a reputation as something of a pro-Western (or a... | [] | [] | [
[]
] | ||
6kbhfu | how is netflix cheaper than cable without ads while cable has them? shouldn't it be the other way around ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6kbhfu/eli5_how_is_netflix_cheaper_than_cable_without/ | {
"a_id": [
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"score": [
36,
10,
2,
3
],
"text": [
"Netflix is about the same price per month as a premium cable station like HBO or Showtime. So, I am not sure why you think it's substantially cheaper.\n\nIf you are comparing Net... | [] | [] | [
[],
[],
[],
[]
] | ||
f97aop | why can't engineers remove the violent left/right movement and shakes of trains better? | If you ever try to stand and pee on a train, it is very noticeable how it shakes left and right between the rails. This seems like an inefficient waste of energy and a burden on the train's suspension and structure. It is also uncomfortable.
The train in question is a relatively new Stadler Flirt, but the same issue ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f97aop/eli5_why_cant_engineers_remove_the_violent/ | {
"a_id": [
"fipthap",
"fipz5wz"
],
"score": [
10,
3
],
"text": [
"The technology exists, but it's too expensive so most manufacturers don't bother because rail companies won't buy it.",
"The simple fix is to stagger the rails instead of them being like ========= they should be like \"... | [] | [] | [
[],
[]
] | |
1q5pa4 | What percentage of our urine is water? Why do we not hold/process more water and then simply pee thicker urine? | askscience | http://www.reddit.com/r/askscience/comments/1q5pa4/what_percentage_of_our_urine_is_water_why_do_we/ | {
"a_id": [
"cd9km3f",
"cd9kv4k"
],
"score": [
3,
11
],
"text": [
"Your body only absorbs the water it needs, and then uses the rest to get rid of certain waste products (the stuff that makes urine yellow).\n\nIf you drink a lot of water, a lot will come out in urine, and you will have cle... | [] | [] | [
[],
[]
] | ||
ats1fd | Why is bleach so effective both at removing stains and at sanitizing? Is it the same chemical property that is responsible for both functions? | askscience | https://www.reddit.com/r/askscience/comments/ats1fd/why_is_bleach_so_effective_both_at_removing/ | {
"a_id": [
"eh55i2l"
],
"score": [
9
],
"text": [
"Yes.\n\nBleach is an oxidizing agent. When it reacts with coloured material in your clothes, it oxidizes it into a colourless form. When it reacts with molecules on the outer surface of bacterial and viral cells, it oxidizes them into non-functio... | [] | [] | [
[]
] | ||
16nk8u | frost at above-freezing temperatures | Often, in California, the low drops to around 35 F on some winter nights. Despite the freezing point never having been reached, my car often accumulates a thick layer of frost. Why does this happen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16nk8u/eli5_frost_at_abovefreezing_temperatures/ | {
"a_id": [
"c7xmktw"
],
"score": [
2
],
"text": [
"You (or the weatherman) are measuring the temperature of the air. You should try taking the temperature of the car. "
]
} | [] | [] | [
[]
] | |
axhzsk | I’m trying to better understand Marcus Crassus’ portfolio. What does it mean to be an ancient billionaire? How did he spend his money, and where did his wealth go when he died? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/axhzsk/im_trying_to_better_understand_marcus_crassus/ | {
"a_id": [
"ehufgja",
"ehulv02"
],
"score": [
160,
12
],
"text": [
"Two authors estimate Crassus' wealth. According to Plutarch, he assessed his own property at 7,200 talents of gold. Pliny the Elder tells us that he possessed the equivalent of 200,000,000 sesterces. Attempts to calculate... | [] | [] | [
[
"https://coinweek.com/education/worth-purchasing-power-ancient-coins/"
],
[
"https://www.vox.com/2016/5/18/11691818/barone-mocetti-florence"
]
] | ||
36ulru | If solar cells were 100% efficient how much land mass would it take to support the world's current power production? How about the projected power production of 2050? | askscience | http://www.reddit.com/r/askscience/comments/36ulru/if_solar_cells_were_100_efficient_how_much_land/ | {
"a_id": [
"crhkolf"
],
"score": [
3
],
"text": [
"According to [Wikipedia](_URL_0_) the solar intensity on the Earth's surface is about 1400 W/m^2. According to [Wikipedia](_URL_1_) the amount of energy generated in 2012 was 22,668 TWh. Assuming that half of the world is getting 1400 W/m^2 of in... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Sunlight",
"http://en.wikipedia.org/wiki/World_energy_consumption#World_energy_consumption_and_electricity_supply"
]
] | ||
facwht | Are quantum mechanics interpretations falsifiable? | I'm thinking specifically of Copenhagen, Many-Worlds and de Broglie–Bohm theory. Do these interpretations always make the same predictions, or is it possible to devise a test that could rule out one or more of them? | askscience | https://www.reddit.com/r/askscience/comments/facwht/are_quantum_mechanics_interpretations_falsifiable/ | {
"a_id": [
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"text": [
"Overall they give the same predictions for the same obsevables. However, they arrive at the answer in slightly different ways. There are tests of locality and “hidden variables” that could hypotheticall... | [] | [] | [
[],
[],
[]
] | |
1j5w25 | how close are we to build engines capable of travelling at roughly the speed of light? | I often hear about how we some day will be able to travel at the speed of light. But how close are we exactly and what would have to happen in order to build this kind of engines/spaceships? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1j5w25/eli5_how_close_are_we_to_build_engines_capable_of/ | {
"a_id": [
"cbbeppv",
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"score": [
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3,
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"text": [
" > How close are we to build engines capable of travelling at roughly the speed of light?\n\nNot even remotely close.\n\n > I often hear about how we some day will be able to travel at the speed of ligh... | [] | [] | [
[],
[],
[]
] | |
bi00fk | why does tapping wood and tapping metal produce different sounds? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bi00fk/eli5_why_does_tapping_wood_and_tapping_metal/ | {
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"text": [
"you know when you put a ruler on the edge of a table and push it down and let it go and it makes that woioioioinggggg sound? And if you vary the length of it off the table, the so... | [] | [] | [
[],
[],
[],
[]
] | ||
21k4xl | How did Gregorian chant develop? What musical traditions does it descend from? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/21k4xl/how_did_gregorian_chant_develop_what_musical/ | {
"a_id": [
"cgdz2wy"
],
"score": [
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"text": [
"This is a very difficult question to answer. \n\nAsking about music before the so called Gregorian chant gets you to deal with oral traditions from many centuries ago (the earliest notations we have would be from the 9-10th century). Gregorian ch... | [] | [] | [
[
"https://scholarworks.iu.edu/dspace/bitstream/handle/2022/9598/09.12.19.html?sequence=1",
"http://www.worldcat.org/title/chant-and-its-origins/oclc/243821437&referer=brief_results",
"https://archive.org/details/introductiontogr00wagn",
"http://www.worldcat.org/title/gregorian-chant/oclc/608792... | ||
13we85 | why does my hair stand up every which way when i wake up? | What makes my hair stay all funky when I wake up in the morning? And why can't I get it to go back down without completely dousing it with water in the shower? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/13we85/eli5_why_does_my_hair_stand_up_every_which_way/ | {
"a_id": [
"c77z3nd"
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"score": [
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"text": [
"I can best explain this by having you pretend you've parted your hair. When you part your hair, you're training it to prefer to stay in one way or another. When you have short hair, or cowlicks as some people call them, you've slept on your hair ... | [] | [] | [
[]
] | |
5cuxt4 | why does all mainstream virus protection software mcafee kasperky norton etc all take 1 hour+ yet malware bytes take 5 mins and actually find the problem? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5cuxt4/eli5why_does_all_mainstream_virus_protection/ | {
"a_id": [
"d9zp1q6"
],
"score": [
46
],
"text": [
"This is because they have wildly different use cases.\n\nFirst off, don't be fooled by terminology. Just because a software is called \"Antivirus\", it doesn't mean it will only protect you from viruses, which is only a subset of threats out the... | [] | [] | [
[]
] | ||
3mo4wc | the newest change in facebook privacy settings. do they actually use my info/pictures/messages? can they actually make my account public? | Many Facebook friends are writing "legally binding" posts about Facebook not having permission to their account information.
A) Does that even work?
B) What does their new privacy updates mean for the everyday Facebooker?
Thanks in advance. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mo4wc/eli5_the_newest_change_in_facebook_privacy/ | {
"a_id": [
"cvgnmzz",
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"score": [
3,
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"text": [
"This might be what you're talking about, and may help you. I'm not sure without more detail though. _URL_0_",
"No those stupid posts about \"facebook cannot use my information blah blah blah\" do. not. work.\n\nThey fail... | [] | [] | [
[
"http://www.hoax-slayer.com/bogus-facebook-privacy-notice.shtml"
],
[]
] | |
1q9u38 | So you are a red blood cell of an average human. How long does it take to visit every part of the human body? | Also, do you even get a chance to see every part of the human body or do you die way to early. If so how much of the body would you have travelled? | askscience | http://www.reddit.com/r/askscience/comments/1q9u38/so_you_are_a_red_blood_cell_of_an_average_human/ | {
"a_id": [
"cdanpde",
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"score": [
57,
2,
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"text": [
"It'd depend on what you define as \"every part\". Your entire blood supply passes through the heart roughly once a minute, although where each cell goes is pure chance.\n\n They \"live\" for about 120 ... | [] | [] | [
[],
[
"http://link.springer.com/article/10.1007%2FBF02460125#page-1"
],
[]
] | |
4bezza | Can genes be partially-methylated? | [deleted] | askscience | https://www.reddit.com/r/askscience/comments/4bezza/can_genes_be_partiallymethylated/ | {
"a_id": [
"d18oud1"
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"text": [
"Yes genes can be partially methylated, it's a sliding scale from 0-100% methylation and can be calculated several ways depending on what you're interested in. A single gene in a single cell will have many cytosines. While an individual cytosine... | [] | [] | [
[
"https://www.encodeproject.org/search/?type=Experiment&assay_slims=DNA+methylation",
"http://www.sciencedirect.com/science/article/pii/S0012160614005223",
"http://epigenomegateway.wustl.edu/browser/",
"http://genome.ucsc.edu/cgi-bin/hgGateway",
"http://www.pnas.org/content/suppl/2006/01/10... | |
5iw5bq | How did the mycaneans (and their ancestors) know about lions? | Maybe this is a totally dumb question. I am visiting Greece and was in the national archeological museum today and saw many references to lions...but from what I know about the lions habitat, even the civilizations they had contact with were hundreds or maybe thousands of miles from the nearest lions.
Even if this was... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5iw5bq/how_did_the_mycaneans_and_their_ancestors_know/ | {
"a_id": [
"dbbesj7"
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"score": [
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"text": [
"Lions were fairly common in southeastern Europe as of the time of Herodotus. We are told that Xerxes encountered a few during his attempted invasion of Greece. They were driven extinct around 100 BC. It's believed that European lions were similar... | [] | [] | [
[]
] | |
7wfkk5 | why does heartburn at night cause nightmares and a racing heart? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7wfkk5/eli5why_does_heartburn_at_night_cause_nightmares/ | {
"a_id": [
"dtzxf36"
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"score": [
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],
"text": [
"I'm no Dr but I am a chronic sufferer of acid reflux, especially at night. I have never experienced this. It may be psychosomatic. I used to experience muscle spasms and stinging feelings in my back as a child and they were always accompanied by ... | [] | [] | [
[]
] | ||
3ld6ki | Why is the the Fibonacci sequence shown in bubble chambers all the time? | i always see these pictures of bubble chambers and i noticed the Fibonacci sequence shown, what is this? | askscience | https://www.reddit.com/r/askscience/comments/3ld6ki/why_is_the_the_fibonacci_sequence_shown_in_bubble/ | {
"a_id": [
"cv5ofxi"
],
"score": [
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],
"text": [
"If by bubble chambers you mean the [Fibonacci spiral](_URL_0_) then it's just an interesting mathematical play on the sequence. If you start with one square whose side we consider to be equal to 1 (the unit of measurement is irrelevant) and then ... | [] | [] | [
[
"http://thespiritscience.net/wp-content/uploads/2015/06/fibonacci_spiral.jpg",
"http://i.imgur.com/uOonv9f.jpg"
]
] | |
1rldgl | how do doctors/paramedics know what's wrong with a person if they're unconscious? | For example, if a person is knocked unconscious by an accident, and is injured, how do doctors or paramedics diagnose the patient? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rldgl/eli5_how_do_doctorsparamedics_know_whats_wrong/ | {
"a_id": [
"cdodxqj",
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"score": [
2,
2,
2
],
"text": [
"By examining the patient for the more common causes of being unconscious. Typically when in an accident it's not going to be totally unexpected that they took a bump to the head if they're unconscious ... | [] | [] | [
[],
[],
[]
] | |
1o5i6y | what is tommy john surgery, and why do so many baseball players have it? | I'm a huge cardinals fan and could not be more excited after last nights victory over the pirates. After reviewing out teams injuries many people
(Furcal, Motte, etc.) have season ending Tommy John surgery. Why have the surgery if it will end your season/career? What is wrong with them? Why do so many ballplayers have... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1o5i6y/eli5_what_is_tommy_john_surgery_and_why_do_so/ | {
"a_id": [
"ccoymq2"
],
"score": [
2
],
"text": [
"Tommy John Surgery, known in medical practice as ulnar collateral ligament (UCL) reconstruction, is a surgical graft procedure in which the ulnar collateral ligament in the medial elbow is replaced with a tendon from elsewhere in the body.\n\nThe... | [] | [] | [
[]
] | |
4f2sep | How strong a gravity could humans adapt to? | For a sustainable society everything else being equal what is the strongest gravity a human world can have? And what would a visit to Earth be like for the inhabitants of this hypothetical world? | askscience | https://www.reddit.com/r/askscience/comments/4f2sep/how_strong_a_gravity_could_humans_adapt_to/ | {
"a_id": [
"d25josu",
"d25lvaw",
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"score": [
12,
52,
2
],
"text": [
"We don't know. We have no to limited data on the effects of long term exposure to different gravity than g.",
"[Rats in a centrifuge](_URL_1_) develop denser bones and stronger muscles and are mos... | [] | [] | [
[],
[
"http://www.ncbi.nlm.nih.gov/m/pubmed/11538243/",
"http://link.springer.com/article/10.1007%2FBF00297483"
],
[]
] | |
65idxr | Protestant teaching under Luther's Two Kingdoms suggests that church and state should be separated. So why did the English monarch become the head of the Church of England? | Martin Luther's Two Kingdoms indicates that the church should not exercise government. So, why, under a Protestant conversion, did the monarch of England become the head of the church? Even if that role is only symbolic now, it is unusual to me. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/65idxr/protestant_teaching_under_luthers_two_kingdoms/ | {
"a_id": [
"dgaj8m7"
],
"score": [
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],
"text": [
"Hey there! While I'm in no way an expert in this area, I was researching it recently and hope to provide even just a little insight!\n\nFrom what I understand, a key element of the English Reformation is just that - it was an English Reformation,... | [] | [] | [
[]
] | |
mei7e | why do us universities favor professors who are better at research than teaching? | Seriously, it seems like the people who are experts in their fields show up, read off slides, then allow TAs to do the hard work because they are too busy with their research to teach. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mei7e/eli5_why_do_us_universities_favor_professors_who/ | {
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... | [] | [] | [
[],
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[],
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"http://www.khanacademy.org/"
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] | |
462xjo | how can ed sheeran's song "thinking out loud" win song of the year at the grammys when it wasn't released in 2015? | "Thinking out Loud" was released in May of 2014. How does it still qualify to be the song of the year at the 2016 Grammys? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/462xjo/eli5_how_can_ed_sheerans_song_thinking_out_loud/ | {
"a_id": [
"d01yr0m",
"d01zgri"
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"score": [
2,
3
],
"text": [
"\"Uptown Funk\" was also released in 2014. Grammy nominations do not run the calendar year. For a song/artist/album, etc. to qualify for a Grammy for 2015, presented in 2016, it must be released between Oct. 1, 2014 and Sept... | [] | [] | [
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/3vuttn/eli5_why_thinking_out_loud_is_on_grammys_2016/"
]
] | |
2499zu | why do auctioneers still use "auction chants"? |
I love television shows like "Storage Wars" "Loud N' Fast" and the likes. While the shows are typically tacky, some of the knowledge gained from the shows and the rare items are pretty neat. One thing that really drives me crazy are the auctioneers. I don't understand why they still use "auction chants". I understand ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2499zu/eli5_why_do_auctioneers_still_use_auction_chants/ | {
"a_id": [
"ch5huab"
],
"score": [
3
],
"text": [
"3 reasons:\n\n1. because most auctions are small events that are fairly bare bone affairs. an auction company comes in, sells a bunch of stuff, gets a commission, and leaves. usually there isn't any extra room or time to deal with flashy items.\n... | [] | [] | [
[]
] | |
3tjybt | if the middle east is seemingly so rich with oil, why is there so much poverty and civil unrest? | Or there is no significant amount of oil to be found in Syria et. al? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tjybt/eli5_if_the_middle_east_is_seemingly_so_rich_with/ | {
"a_id": [
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"score": [
2,
2,
2
],
"text": [
"Because the governments of most Middle Eastern states are totalitarian and embezzle all that money away into Swiss bank accounts long before it ever reaches the people. In the case of Saudi Arabia and I... | [] | [] | [
[],
[],
[]
] | |
8x2eln | why does putting a band-aid on a minor wound cause it to hurt slightly less, even if it’s not open and bleeding? | Is it cushioning? Is it protection from drafts? Placebo effect? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8x2eln/eli5_why_does_putting_a_bandaid_on_a_minor_wound/ | {
"a_id": [
"e20a026"
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"score": [
12
],
"text": [
"It stops the skin stretching die to the numerous microtears in the skin created the resulting wound. You may not be able to see it but the skin becomes more stretchy and delicate as a result of this. By having a bandaid you keep the wound in pla... | [] | [] | [
[]
] | |
4asbu8 | Was the Carolingian Empire related to the Holy Roman Empire? | Previously, I thought that the Carolingian Empire and the Holy Roman Empire were completely 2 different empires but as I did some research, I discovered that Charlemagne was both a Frankish (Carolingian) king and was also crowned by the pope as the emperor of the Romans. So besides Charlemagne, how are the two Empires ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4asbu8/was_the_carolingian_empire_related_to_the_holy/ | {
"a_id": [
"d13dnqd"
],
"score": [
13
],
"text": [
"The Carolingian Empire and the Holy Roman Empire are directly related.\n\nThe Carolingian Empire was started by Charlemagne, who descendants then split his territories into several smaller kingdoms but predominantly West and East Francia. West F... | [] | [] | [
[]
] | |
1j2gkn | Any interesting or remarkable tales of WWII Italian fighting skill or courage? | The popular conception of Italy's WWII efforts is that the Italian military was unmotivated to fight or incompetent, but at any rate sub-par. Italian setbacks in Greece and North Africa no doubt contribute to this.
Are there any interesting episodes of particularly effective or courageous fighting by Italian military... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1j2gkn/any_interesting_or_remarkable_tales_of_wwii/ | {
"a_id": [
"cbagv4q"
],
"score": [
7
],
"text": [
"There were many instances of not only stubbornly fought military actions, but also successful engagements by Italian forces in WW2. I should first establish the strong military tradition that surrounds the young Italian nation. When she was forme... | [] | [] | [
[
"http://www.comandosupremo.com/the-first-pearl-harbor.html",
"http://www.comandosupremo.com/battle-of-cape-matapan.html"
]
] | |
1ur5jd | does stretching after a workout really do anything regarding muscle soreness the next day? | The other day I read something here about stretching at it was said that stretching is entirely a neurological process, basically what you're doing is just flexing the muscles. I had thought this before, because working out, you're creating micro tears in the tissue of your muscle, once the workout is over, "the damage... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ur5jd/eli5_does_stretching_after_a_workout_really_do/ | {
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"score": [
4,
3,
7,
6
],
"text": [
"It also elongates the muscle.\n\n\n\"A long muscle is a strong muscle\"- Arnold szwahshdjHahshdjshshsjhaahhancjaager",
"Oh and since you were talking about DOMS, no, stretching... | [] | [] | [
[],
[],
[],
[]
] | |
5f6ady | Why'd it take so long to beat the Confederacy? | I don't understand why it took over 4 years to bring the Confederacy to surrender. Beyond fighting a mostly defensive war and better generals, they'd got virtually every imaginable disadvantage. Inferior numbers, a smaller industrial base, a blockade, no international recognition, a large slave population whose sympath... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5f6ady/whyd_it_take_so_long_to_beat_the_confederacy/ | {
"a_id": [
"dazqa1s"
],
"score": [
4
],
"text": [
"This is a bit late, but it was sitting in my upvote folder, and now i have free time!\n\nA lot of reasons, on the operational, strategic, and grand strategic levels. In the broadest sense, the rate of Union advance was limited by the size of the... | [] | [] | [
[]
] | |
76n7at | On the declining popularity of "virtue" | Why exactly has the concept of virtue lost so much popularity in Western society? I'm referring to the pagan, Aristotelian virtues adopted by many Christian thinkers (e.g. the cardinal virtues) as well as the general concept of "respectable sensibilities" that were especially prevalent in the 18th and 19th centuries (a... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/76n7at/on_the_declining_popularity_of_virtue/ | {
"a_id": [
"dofqzag"
],
"score": [
26
],
"text": [
"Alasdair MacIntyre's 'After Virtue' tackles exactly this question. I'm not sure to what extent he admissible in the sub as a source, seeing that he's a philosopher, and the book is one of philosophy, but he does employ a specifically historico-p... | [] | [] | [
[]
] | |
1cwgx7 | Why did the javelin, once prevalent in the ancient world, disappeared from the battlefield during the medieval era ? | It appeared to me that the javelin or any type of throwing spear was quite popular in the ancient world. Numidian cavalry, illyrians, thracians, roman legionnaires and Greek peltasts, pretty much everyone used it.
Yet during the dark ages it seemed to vanish and almost completely disappear by medieval times. Is there ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1cwgx7/why_did_the_javelin_once_prevalent_in_the_ancient/ | {
"a_id": [
"c9ko3ml",
"c9kpdcp"
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"score": [
26,
11
],
"text": [
"First off- the javelin was actually used up into the 1800's by tribes in Africa. The Zulu were probably some of the best known warriors who used spears (including javelins) up until they were finally crushed by the British... | [] | [] | [
[
"http://books.google.com/books?id=MmwK9pIh0AQC&lpg=PA152&dq=vikings%20throwing%20spears&pg=PA152#v=onepage&q=vikings%20throwing%20spears&f=false",
"http://en.wikipedia.org/wiki/Almogavars",
"http://en.wikipedia.org/wiki/Jinetes"
],
[
"http://en.wikipedia.org/wiki/Almogavars... | |
deijxk | Old unidentified Japanese object | Hi Reddit!
For some years I have been looking for an answer to what this object is. It is not a hanko (stamp), both sides are the same and flat, with an indentation (the photos make this clear). Both sides have a painted lotus, it looks like the old family crest of the Ikeda family. On the long side there are slight i... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/deijxk/old_unidentified_japanese_object/ | {
"a_id": [
"f2vpd04"
],
"score": [
5
],
"text": [
"It’s nothing I or my (Japanese) family have seen before. It’s most likely to be part of something, eg a netsuke.\n\nThe Ikeda crest isn’t a big deal, I’m afraid, because that symbol is used just as a pretty symbol on clothes and accessories.\n\nI... | [] | [
"https://imgur.com/a/amaezTs"
] | [
[]
] | |
c0xwge | do insects have the same sort of internal organs as us? | Do they have brains and digestive systems etc? I can’t imagine them having a tiny little stomach or heart or anything, so how does it work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c0xwge/eli5_do_insects_have_the_same_sort_of_internal/ | {
"a_id": [
"er8r6i4"
],
"score": [
7
],
"text": [
"No, they do not. They have analogous systems, but they can vary wildly in function. For example, the respiratory system of most insects is trachea, not lungs; they do not have a pump that hauls air to and fro, they absorb oxygen by diffusion.\n\n... | [] | [] | [
[]
] | |
5z738o | how does flint, mi still not have clean water? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5z738o/eli5_how_does_flint_mi_still_not_have_clean_water/ | {
"a_id": [
"devryvc",
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"score": [
14,
9,
70,
757,
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126,
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"text": [
"It's slowly improvi... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[
"https://youtu.be/IJbVK5UBRT8"
],
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[]
] | ||
fn2lst | how does gene diversity develop if we all came from common ancestors? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fn2lst/eli5_how_does_gene_diversity_develop_if_we_all/ | {
"a_id": [
"fl77jtg",
"fl87t4f"
],
"score": [
7,
2
],
"text": [
"Mutations. Genes change. Your genes aren't exactly duplicated from your parents. The differences are slight, but given many generations they really do build up.",
"Just to add onto the other answers, a slight mutation ra... | [] | [] | [
[],
[]
] | ||
2yk4m7 | how does " save game " and "load / continue " work? | I know maybe stupid question but, i'm wondering ages about how it's works. Saving games with F5 and Load with F9 ( Usually same combination for most games.) What's happening in the background? And why doesn't work for other games like GTA or CoD. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yk4m7/eli5_how_does_save_game_and_load_continue_work/ | {
"a_id": [
"cpa8u8a",
"cpa8v7f"
],
"score": [
5,
2
],
"text": [
"Short Explanation: The game runs a chunk of code which pulls a bunch of data currently stored in the computers RAM, (it's storage space for the memory it's currently dealing with) and records it to a hard drive for permanent... | [] | [] | [
[],
[]
] | |
ea45ts | if you were to breathe in extremely humid air, for long periods of time, would you eventually ‘drown’? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ea45ts/eli5_if_you_were_to_breathe_in_extremely_humid/ | {
"a_id": [
"fanmixi"
],
"score": [
3
],
"text": [
"You could potentially, if your lungs were colder than the ambient temperature, which would allow the water vapor to condense down back into a liquid form rapidly enough to prevent the lungs from expelling them through normal processes. It could a... | [] | [] | [
[]
] | ||
168w2k | Considering how long humans have been in control of fire (somewhere between 120k and 400k years ago) do we have different/better burn response/recovery than other animals? | askscience | http://www.reddit.com/r/askscience/comments/168w2k/considering_how_long_humans_have_been_in_control/ | {
"a_id": [
"c7twd4l",
"c7twm6i",
"c7tx776",
"c7u1ekt"
],
"score": [
5,
38,
8,
4
],
"text": [
"You're assuming that a person would be more \"fit\" from being more physically resistant to fire-related injuries. I don't see such a trait being extremely useful since it's not a... | [] | [] | [
[],
[],
[],
[]
] | ||
4bdnrx | why do millionaires only have a small percentage of their wealth in cash or liquid assets? | A multimillionaire may be worth several million dollars but I looked at some examples of celebrity net worth online and found that a person worth $40 million only has $50,000 in spendable cash.
I used to be under the impression that millionaires have literally at least a million in cash to spend. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bdnrx/eli5_why_do_millionaires_only_have_a_small/ | {
"a_id": [
"d185zwa",
"d186d7v",
"d1870h5",
"d189cfj"
],
"score": [
10,
3,
3,
3
],
"text": [
"Cash and liquid assets don't make you any money. If you invest your wealth, it can make you more money, but it's not in a form that you can immediately spend.\n\nI wouldn't have a... | [] | [] | [
[],
[],
[],
[]
] | |
bnnfig | When did Medical Gloves become a common practice for all Pre-Hospital/Hospital workers? | I have just recently watch The Knick about a Hospital in 1900/1901 and in it all Doctors, Nurses, and EMT’s (more like actual ambulance drivers in this time rather than medical personnel but they were handling some pretty nasty things) and no one had gloves, mask, or any other PPE (personal protective equipment) other ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bnnfig/when_did_medical_gloves_become_a_common_practice/ | {
"a_id": [
"en9qlha"
],
"score": [
12
],
"text": [
"No one quite knows who first introduced rubber gloves into surgery. Galvanized rubber and subsequently gloves were developed in the middle of the 19th century. In surgery, this was the time of Lister, Koch, and Pasteur (that is, the acceptable ... | [] | [] | [
[
"https://itunes.apple.com/us/podcast/bedside-rounds/id919579524?mt=2",
"https://whyy.org/segments/how-a-romantic-gesture-helped-bring-surgical-gloves-to-american-operating-rooms/",
"www.bedside-rounds.org"
]
] | |
2mpa9g | why are retainers needed after braces? | I was wondering how come after we get our braces off, our teeth don't just stay in position and we need to have retainers for the rest of our lives to keep them straight. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mpa9g/eli5why_are_retainers_needed_after_braces/ | {
"a_id": [
"cm6bj41"
],
"score": [
3
],
"text": [
"It's because your gums are no longer as resilient as they were before. You move all your teeth by pushing and pulling them where you want them, the gums lose their strength slightly.\nImagine pouring concrete, you need a frame to pour it into, un... | [] | [] | [
[]
] | |
2ljfgh | dreaming for people who were born blind. | How does someone who has never experienced visual stimuli their entire lives dream? Is it in sounds, feelings, textures, the shapes of things they've experienced through touch? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ljfgh/eli5_dreaming_for_people_who_were_born_blind/ | {
"a_id": [
"clvd27q",
"clvejve",
"clvgqu2"
],
"score": [
3,
11,
2
],
"text": [
"I have always wondered about not only dreaming, but visualizations in general for those who are born blind. Can anyone shed some light on this(omg terrible play on words but I'm keeping it)? When they ... | [] | [] | [
[],
[],
[]
] | |
47tsib | why is satanism commonly connected to occultism? | They seem to be portrayed as almost synonymous. I've also read the 11 Laws, with one of them mentioning magic. Is magic and Occultism prevalent in the religion? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47tsib/eli5_why_is_satanism_commonly_connected_to/ | {
"a_id": [
"d0fljj2"
],
"score": [
2
],
"text": [
"Theres a huge difference between the different types of satanism. \n\nThere's LeVeyan satanism which is the stuff you hear about a lot. The 11 rules are a part of that. [here](_URL_0_) is a lot more about them, they less literally worship satan a... | [] | [] | [
[
"https://en.wikipedia.org/wiki/LaVeyan_Satanism#The_Eleven_Satanic_Rules_of_the_Earth"
]
] |
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