/r/askscience

Year:

Only show posts with narrations

If Betelgeuse goes Supernova, how will it affect Earths ecosystems?

955 upvotes • TheGrandBeef

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If our fingers are operated by tendons in our forearms, why is it hard to move your fingers when they get cold?

955 upvotes • temptingtime

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Can a cold virus be transmitted via vaginal secretions during cunnilingus? My husband has a big work week ahead and can't afford to be sick. There would be no kissing of the mouth, obviously!

955 upvotes • dogfur

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What is the highest deviation from the ordinary 24 hour day humans can healthily sustain? What effects would a significantly shorter/longer day have on a person?

954 upvotes • Virusnzz

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Mitosis: Which is the Original?

954 upvotes • Kaeliss

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How long would it take the earth to stop moving if there wasn't a vacuum in space?

954 upvotes • Towerizer

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Have any viruses ever moved between vastly different organisms? For example: from Mammals to reptiles, fish to amphibians, plants to invertebrates etc

954 upvotes • RichardsonM24

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AskScience AMA Series: We're Hayden Reeve, Steve Widergren, and Robert Pratt from Pacific Northwest National Laboratory, and we study the power grid. We recently found using a transactive energy system could save U.S. consumers over $50 billion annually on their electrical bills. Ask us anything!

954 upvotes • AskScienceModerator

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What is the carbon-footprint of a solar-panel, and does it actually produce enough green-energy in it's life-time in order to be considered "green"?

953 upvotes • Waffles81

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What's the difference between antibiotic, antiseptic and anti-bacteria?

953 upvotes • hoochiscrazy_

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If Betelgeuse goes Supernova, how will it affect Earths ecosystems?	955	TheGrandBeef
If our fingers are operated by tendons in our forearms, why is it hard to move your fingers when they get cold?	955	temptingtime
Can a cold virus be transmitted via vaginal secretions during cunnilingus? My husband has a big work week ahead and can't afford to be sick. There would be no kissing of the mouth, obviously!	955	dogfur
What is the highest deviation from the ordinary 24 hour day humans can healthily sustain? What effects would a significantly shorter/longer day have on a person?	954	Virusnzz
Mitosis: Which is the Original?	954	Kaeliss
How long would it take the earth to stop moving if there wasn't a vacuum in space?	954	Towerizer
Have any viruses ever moved between vastly different organisms? For example: from Mammals to reptiles, fish to amphibians, plants to invertebrates etc	954	RichardsonM24
AskScience AMA Series: We're Hayden Reeve, Steve Widergren, and Robert Pratt from Pacific Northwest National Laboratory, and we study the power grid. We recently found using a transactive energy system could save U.S. consumers over $50 billion annually on their electrical bills. Ask us anything!	954	AskScienceModerator
What is the carbon-footprint of a solar-panel, and does it actually produce enough green-energy in it's life-time in order to be considered "green"?	953	Waffles81
What's the difference between antibiotic, antiseptic and anti-bacteria?	953	hoochiscrazy_