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

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If the homo genus had somehow managed to die off 2 million years ago, would another genus have risen to dominate the globe like we have, or would the world otherwise look mostly like it does today?

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Why does my vision blur when I cross my eyes, even if one eye is closed or covered?

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Why do we always underestimate the size of objects that we can rarely see up close, like traffic lights?

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How much energy would it take to change Earth's rotation enough to change the length of a day by 1 second?

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Why is highly repetitive music/lyrics generally tolerable (or even enjoyable), but any repetition in a normal speaking voice is odd and annoying?

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Does your heart literally "skip a beat" in response to extreme environmental or emotional changes?

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How close are we to curing obesity without dangerous side effects?

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Are there any animals that don't breathe oxygen?

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What evolutionary reasoning explains why are we motivated by intrinsically worthless points in video games, etc.?

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If you put a machine gun on a free-sliding mount on a vertical pole (with the gun pointed down) and fed it bullets continuously, would it be able hold itself up?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If the homo genus had somehow managed to die off 2 million years ago, would another genus have risen to dominate the globe like we have, or would the world otherwise look mostly like it does today?	1
Why does my vision blur when I cross my eyes, even if one eye is closed or covered?	1
Why do we always underestimate the size of objects that we can rarely see up close, like traffic lights?	1
How much energy would it take to change Earth's rotation enough to change the length of a day by 1 second?	0
Why is highly repetitive music/lyrics generally tolerable (or even enjoyable), but any repetition in a normal speaking voice is odd and annoying?	0
Does your heart literally "skip a beat" in response to extreme environmental or emotional changes?	0
How close are we to curing obesity without dangerous side effects?	0
Are there any animals that don't breathe oxygen?	0
What evolutionary reasoning explains why are we motivated by intrinsically worthless points in video games, etc.?	0
If you put a machine gun on a free-sliding mount on a vertical pole (with the gun pointed down) and fed it bullets continuously, would it be able hold itself up?	0