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

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What percentage of a human fart is produced by bacteria, and what percentage is actually produced by you ?

8045 upvotes

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What would daily life on Earth look like if there were two moons?

4379 upvotes

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Why is 20:20 the standard for perfect vision?

32 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What percentage of a human fart is produced by bacteria, and what percentage is actually produced by you ?	8045
What would daily life on Earth look like if there were two moons?	4379
Why is 20:20 the standard for perfect vision?	32