/u/Justicles13's posts

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Theoretically, what's the farthest back in time a human could travel and still safely breathe the Earth's atmosphere?

2007 upvotes • r/askscience

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If you built a person's brain cell by cell, would the new brain have the same memories as the person?

2 upvotes • r/askscience

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Can someone tell me what I found in the woods?

1 upvotes • r/askscience

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How do people know they're very close to death?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Theoretically, what's the farthest back in time a human could travel and still safely breathe the Earth's atmosphere?	2007	askscience
If you built a person's brain cell by cell, would the new brain have the same memories as the person?	2	askscience
Can someone tell me what I found in the woods?	1	askscience
How do people know they're very close to death?	1	askscience