/r/askscience

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In 9 hours tropical storm “Otis” transformed into a full category 5 hurricane, the strongest there is. How and why did that happen so fast?

538 upvotes • MortalPhantom

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is there a reason why some people are "light "sleepers, and others are "heavy" sleepers? is there a way to change which one you are?

537 upvotes • clownparade

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If you were born and raised in space, would you have a greater resistance and management of UV/IR radiation?

537 upvotes • SanguinePendulum

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Why can't you remember the exact point before you fall asleep?

536 upvotes • SpaceMantis

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Will nuclear fusion ever be a viable source of power?

536 upvotes • jimmy17

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What did Americans sound like in the 1700s/ early 1800s?

536 upvotes • [deleted]

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On the heels of yesterday's question, would it be possible to have a rocky planet large enough that it began nuclear fusion and turned into a star?

536 upvotes • wengbomb

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When you're using centifrugal force on a space station ( or ship ) to simulate gravity. What would happen to a helium baloon when you let it go?

536 upvotes • Radijs

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Why do flies, bees and other insects rub their forelegs together so often?

536 upvotes • sinfultrigonometry

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Are the orbital planes of most solar systems in the Milky Way coplanar with the galaxy? And is there any benefit in defining a galactic "up" and "down" convention?

536 upvotes • HimalayanFluke

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
In 9 hours tropical storm “Otis” transformed into a full category 5 hurricane, the strongest there is. How and why did that happen so fast?	538	MortalPhantom
is there a reason why some people are "light "sleepers, and others are "heavy" sleepers? is there a way to change which one you are?	537	clownparade
If you were born and raised in space, would you have a greater resistance and management of UV/IR radiation?	537	SanguinePendulum
Why can't you remember the exact point before you fall asleep?	536	SpaceMantis
Will nuclear fusion ever be a viable source of power?	536	jimmy17
What did Americans sound like in the 1700s/ early 1800s?	536	[deleted]
On the heels of yesterday's question, would it be possible to have a rocky planet large enough that it began nuclear fusion and turned into a star?	536	wengbomb
When you're using centifrugal force on a space station ( or ship ) to simulate gravity. What would happen to a helium baloon when you let it go?	536	Radijs
Why do flies, bees and other insects rub their forelegs together so often?	536	sinfultrigonometry
Are the orbital planes of most solar systems in the Milky Way coplanar with the galaxy? And is there any benefit in defining a galactic "up" and "down" convention?	536	HimalayanFluke