/r/askscience

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Only show posts with narrations

Why are there no natural caves at the Wieliczka Salt Mine?

1542 upvotes • Scifiase

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The "everything you need to know about the Higgs boson" thread.

1541 upvotes • Ruiner

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All religion aside, is it even possible for two people to populate the world? Or would the birth defects eventually become so crippling and damaging that they would die out?

1540 upvotes • [deleted]

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When I yank out a lone white hair, will its replacement always be white?

1540 upvotes • pewpl

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If livers regenerate, would it be possible for me to donate half my liver, grow it back, then donate it again? If so, how many times can one repeat this process?

1540 upvotes • Panhead09

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Why does the Moderna vaccine include two 100 micrograms doses of mRNA, while that for Pfizer is two doses of 30 micrograms each?

1540 upvotes • charroxgrin

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If I had 100 atoms of a substance with a 10-day half-life, how does the trend continue once I'm 30 days in, where there should be 12.5 atoms left. Does half-life even apply at this level?

1539 upvotes • efficiens

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Does stomach acid just sit in a pool at the bottom of your stomach? On the ISS, does it form a bubble?

1538 upvotes • madQ_Queen

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How could an SSRI reduce the likelihood of hospitalization in people with COVID-19?

1538 upvotes • [deleted]

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Are smell/taste memories as fallible as memories of feelings and events?

1538 upvotes • Fop_Vndone

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why are there no natural caves at the Wieliczka Salt Mine?	1542	Scifiase
The "everything you need to know about the Higgs boson" thread.	1541	Ruiner
All religion aside, is it even possible for two people to populate the world? Or would the birth defects eventually become so crippling and damaging that they would die out?	1540	[deleted]
When I yank out a lone white hair, will its replacement always be white?	1540	pewpl
If livers regenerate, would it be possible for me to donate half my liver, grow it back, then donate it again? If so, how many times can one repeat this process?	1540	Panhead09
Why does the Moderna vaccine include two 100 micrograms doses of mRNA, while that for Pfizer is two doses of 30 micrograms each?	1540	charroxgrin
If I had 100 atoms of a substance with a 10-day half-life, how does the trend continue once I'm 30 days in, where there should be 12.5 atoms left. Does half-life even apply at this level?	1539	efficiens
Does stomach acid just sit in a pool at the bottom of your stomach? On the ISS, does it form a bubble?	1538	madQ_Queen
How could an SSRI reduce the likelihood of hospitalization in people with COVID-19?	1538	[deleted]
Are smell/taste memories as fallible as memories of feelings and events?	1538	Fop_Vndone