/u/graaahh's posts

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Why can't humans create a food that contains everything the body needs?

169 upvotes • r/askscience

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When talking about photons, what does "wavelength" actually mean?

145 upvotes • r/askscience

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Why do the mid-ocean ridges in this global seafloor map have horizontal lines running across them for basically their whole length?

96 upvotes • r/askscience

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How many actual ninjas ever existed? Was there any point in time where they actually had an impact on Japanese society, or are they more myth than fact?

57 upvotes • r/AskHistorians

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Why did the Chinese invent so many things thousands of years before everyone else? And when/why did this trend stop?

53 upvotes • r/AskHistorians

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Are there any gaps in history where we're not entirely sure what happened?

50 upvotes • r/AskHistorians

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Did famous mathematicians have puzzles or games that they did for fun 50 years ago? 100? 500? 1000?

49 upvotes • r/AskHistorians

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In the ancient Greek religions, were the various myths about the gods just basically fanfic written by different people, or were there certain people whose job it was to write the stories? Was there some body that determined whether the stories were supposed to be canon or non-canon?

47 upvotes • r/AskHistorians

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A local tour guide likes to tell a story about Abraham Lincoln being so accessible, you could walk straight into the White House and wait outside his office door to meet with him. Is that true? What kind of security did the President have back then?

41 upvotes • r/AskHistorians

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If Samarium-147 has a 106 billion year half life (roughly 7.5 times the age of the universe), how do we even know?

35 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Why can't humans create a food that contains everything the body needs?	169	askscience
When talking about photons, what does "wavelength" actually mean?	145	askscience
Why do the mid-ocean ridges in this global seafloor map have horizontal lines running across them for basically their whole length?	96	askscience
How many actual ninjas ever existed? Was there any point in time where they actually had an impact on Japanese society, or are they more myth than fact?	57	AskHistorians
Why did the Chinese invent so many things thousands of years before everyone else? And when/why did this trend stop?	53	AskHistorians
Are there any gaps in history where we're not entirely sure what happened?	50	AskHistorians
Did famous mathematicians have puzzles or games that they did for fun 50 years ago? 100? 500? 1000?	49	AskHistorians
In the ancient Greek religions, were the various myths about the gods just basically fanfic written by different people, or were there certain people whose job it was to write the stories? Was there some body that determined whether the stories were supposed to be canon or non-canon?	47	AskHistorians
A local tour guide likes to tell a story about Abraham Lincoln being so accessible, you could walk straight into the White House and wait outside his office door to meet with him. Is that true? What kind of security did the President have back then?	41	AskHistorians
If Samarium-147 has a 106 billion year half life (roughly 7.5 times the age of the universe), how do we even know?	35	askscience