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

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Could modern humans actually survive millions of years ago? Would the air be too different from ours to survive? Could we eat and digest the plants and animals in that time period?

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Can scientists accurately predict how animals will appear evolutionary wise in the future or have humans done irreparable damage to the planet and the natural flow of evolution?

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Does time dilation still exist on earth if you traveled at the fastest speed ever recorded on this planet for a prolonged period of time?

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How much time, money and other valuable resources does it cost for one NASA satellite to do a single specific task?

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If/when some form of time travel is ever possible, what would be some realistic laws that would result because of it?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Could modern humans actually survive millions of years ago? Would the air be too different from ours to survive? Could we eat and digest the plants and animals in that time period?	1
Can scientists accurately predict how animals will appear evolutionary wise in the future or have humans done irreparable damage to the planet and the natural flow of evolution?	1
Does time dilation still exist on earth if you traveled at the fastest speed ever recorded on this planet for a prolonged period of time?	1
How much time, money and other valuable resources does it cost for one NASA satellite to do a single specific task?	1
If/when some form of time travel is ever possible, what would be some realistic laws that would result because of it?	1