/u/al_fletcher's posts in /r/askscience

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There are many fossil finds documenting human evolution and hominin subspecies since our split from chimpanzees. What evidence do we have for chimpanzee evolution during this timeframe?

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Putting aside hitting the ground, and getting thirsty or hungry, how long could you be in freefall before it'd have some kind of detrimental effect?

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Assuming the giant impact hypothesis is correct, are there any parts of the Earth nowadays which are more like Theia and parts which were more like pre-impact Earth? How about the Moon?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
There are many fossil finds documenting human evolution and hominin subspecies since our split from chimpanzees. What evidence do we have for chimpanzee evolution during this timeframe?	21
Putting aside hitting the ground, and getting thirsty or hungry, how long could you be in freefall before it'd have some kind of detrimental effect?	1
Assuming the giant impact hypothesis is correct, are there any parts of the Earth nowadays which are more like Theia and parts which were more like pre-impact Earth? How about the Moon?	1