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

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Is it possible for a large satellite like the Moon to exist within a planet's atmosphere?

862 upvotes

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Would a Kevlar vest protect as well against crossbow bolts as it does small-arms fire?

414 upvotes

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Why does rice grow so well in flooded conditions? Was its ancestor a semi-aquatic plant or is it a result of human breeding?

166 upvotes

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During the Cold War, how were ICBMs guided? Without GPS how do you accurately hit a city in the middle of Siberia from across the world?

106 upvotes

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Is there a critical time window for puberty? If you gave a eunuch, who was castrated pre-puberty, hormone supplements late in development would he undergo puberty or gain a sex drive?

50 upvotes

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Why has the population of Atlantic Cod not recovered since the end of mass commercial fishing?

12 upvotes

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Was the extinction of megafauna at the end of the Paleolithic a major force in the transition to agriculture?

11 upvotes

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I've often read that the forests of New England before colonization were open and park-like without underbrush and that this was because of Native Americans regularly setting fires to clear the underbrush. Is this true or was it some other set of factors that led to the park-like appearance?

9 upvotes

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Do eyeballs grow? Babies seem to have large eyes, and adults seem have smaller eyes. Is it because the eyes have stayed the same size?

8 upvotes

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What would happen if a human ate a gorilla-esque diet (really low calorie density, high fiber)?

7 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is it possible for a large satellite like the Moon to exist within a planet's atmosphere?	862
Would a Kevlar vest protect as well against crossbow bolts as it does small-arms fire?	414
Why does rice grow so well in flooded conditions? Was its ancestor a semi-aquatic plant or is it a result of human breeding?	166
During the Cold War, how were ICBMs guided? Without GPS how do you accurately hit a city in the middle of Siberia from across the world?	106
Is there a critical time window for puberty? If you gave a eunuch, who was castrated pre-puberty, hormone supplements late in development would he undergo puberty or gain a sex drive?	50
Why has the population of Atlantic Cod not recovered since the end of mass commercial fishing?	12
Was the extinction of megafauna at the end of the Paleolithic a major force in the transition to agriculture?	11
I've often read that the forests of New England before colonization were open and park-like without underbrush and that this was because of Native Americans regularly setting fires to clear the underbrush. Is this true or was it some other set of factors that led to the park-like appearance?	9
Do eyeballs grow? Babies seem to have large eyes, and adults seem have smaller eyes. Is it because the eyes have stayed the same size?	8
What would happen if a human ate a gorilla-esque diet (really low calorie density, high fiber)?	7