/r/askscience

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How do house spider survive on little to nothing to eat? Do they have some kind of super metabolism? "standby mode"?

1139 upvotes • scubascratch

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Why are whales so much bigger than other animals?

1139 upvotes • whynotnemesis

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Nuclear weapons are rated in megatons (of TNT). What would be the differences in detonating a 1 MT nuclear weapon compared to touching off a million ton pile of TNT?

1138 upvotes • Klarok

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What triggers beta particles to form, and for what reason can they not penetrate substantially thick aluminium?

1137 upvotes • Antoni2000

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How would vision be affected in a person with polycoria (multiple pupils)?

1136 upvotes • Biomancer

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Why do some people pass out when seeing blood?

1136 upvotes • worksgreat11

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Why do we use decibels instead of just bels?

1136 upvotes • jade_crayon

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Why does silver have a really high coefficient of friction with itself, but low when it has friction against other materials?

1136 upvotes • SlightlyTurgidHead

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Can metals evaporate? If so, can the gas be condensed back into solid metal?

1136 upvotes • guuitar22

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What is gravitational potential always negative except when it is 0 at infinity?

1135 upvotes • [deleted]

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
How do house spider survive on little to nothing to eat? Do they have some kind of super metabolism? "standby mode"?	1139	scubascratch
Why are whales so much bigger than other animals?	1139	whynotnemesis
Nuclear weapons are rated in megatons (of TNT). What would be the differences in detonating a 1 MT nuclear weapon compared to touching off a million ton pile of TNT?	1138	Klarok
What triggers beta particles to form, and for what reason can they not penetrate substantially thick aluminium?	1137	Antoni2000
How would vision be affected in a person with polycoria (multiple pupils)?	1136	Biomancer
Why do some people pass out when seeing blood?	1136	worksgreat11
Why do we use decibels instead of just bels?	1136	jade_crayon
Why does silver have a really high coefficient of friction with itself, but low when it has friction against other materials?	1136	SlightlyTurgidHead
Can metals evaporate? If so, can the gas be condensed back into solid metal?	1136	guuitar22
What is gravitational potential always negative except when it is 0 at infinity?	1135	[deleted]