/r/askscience

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Does the universe have an event horizon?

3513 upvotes • chunkylubber54

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Do you get “long” versions of other viruses other than Covid?

3512 upvotes • PedroHicko

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Why does Uranus look so smooth compared to other gas giants in our solar system?

3509 upvotes • Saklor

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Does the total surface area of two submerged air bubbles remain the same if they merge?

3507 upvotes • LeJack37

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Does a laser beam cast a shadow?

3503 upvotes • indianmeat

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How does the single human prion protein (PrP) cause a number of different diseases (vCJD, fatal insomnia, kuru, etc) as it changes from PrP(C) to PrP(Sc)?

3503 upvotes • akaBrotherNature

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If we could theoretically break the speed of light, would we create a 'light boom' just as we have sonic booms with sound?

3502 upvotes • SlurpsMcgee

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AskScience AMA: I'm Vinny Lynch, assistant prof. of human genetics at UChicago. I led one of two research groups that independently found why elephants don’t get cancer as frequently as we thought they should (Spoiler: 20 copies of the p53 tumor suppressor gene). AMA!

3500 upvotes • Vinny_Lynch

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If I stick my head out of a car window at 65 mph and try to look directly ahead I’m effectively blinded by the air rushing passed my eyes. How does a cheetah see and track prey when running at top speed?

3500 upvotes • MJamesRead

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AskScience AMA Series: My name is Matija Ćuk, and I am a research scientist at the SETI Institute specializing in the orbital dynamics of solar system bodies. AMA!

3499 upvotes • AskScienceModerator

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Does the universe have an event horizon?	3513	chunkylubber54
Do you get “long” versions of other viruses other than Covid?	3512	PedroHicko
Why does Uranus look so smooth compared to other gas giants in our solar system?	3509	Saklor
Does the total surface area of two submerged air bubbles remain the same if they merge?	3507	LeJack37
Does a laser beam cast a shadow?	3503	indianmeat
How does the single human prion protein (PrP) cause a number of different diseases (vCJD, fatal insomnia, kuru, etc) as it changes from PrP(C) to PrP(Sc)?	3503	akaBrotherNature
If we could theoretically break the speed of light, would we create a 'light boom' just as we have sonic booms with sound?	3502	SlurpsMcgee
AskScience AMA: I'm Vinny Lynch, assistant prof. of human genetics at UChicago. I led one of two research groups that independently found why elephants don’t get cancer as frequently as we thought they should (Spoiler: 20 copies of the p53 tumor suppressor gene). AMA!	3500	Vinny_Lynch
If I stick my head out of a car window at 65 mph and try to look directly ahead I’m effectively blinded by the air rushing passed my eyes. How does a cheetah see and track prey when running at top speed?	3500	MJamesRead
AskScience AMA Series: My name is Matija Ćuk, and I am a research scientist at the SETI Institute specializing in the orbital dynamics of solar system bodies. AMA!	3499	AskScienceModerator