/r/askscience

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How much does a covid-19 vaccine lower the chance of you not spreading the virus to someone else, if at all?

9529 upvotes • Araknhak

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What does it feel like walking in areas with high radiation? Does it feel hot or something? Does it smell? Harder to breathe? Or is the only way you will figure it out (w/out a Geiger meter) is when you start to get sick?

9499 upvotes • FangFingersss

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Are we just “lucky” that Magnetic North is very close to True North, or is there something more behind the reason?

9492 upvotes • HeirApperent

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If SARS-Cov-2 is an RNA virus, why does the published genome show thymine, and not uracil?

9471 upvotes • DirtyOldAussie

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How do our hairs know when to stop growing?

9465 upvotes • Merkani28

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Megathread: 2017 Hurricane Season

9447 upvotes • AskScienceModerator

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Is it possible to contract COVID 19 a second time?

9447 upvotes • Dalegendari

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How does a fish know what kind of fish it is?

9446 upvotes • Souprx

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Why do we experience no sort of gag reflex when we are swallowing food or a drink?

9441 upvotes • MicooForYou

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Why do people with Down Syndrome look the same/very very similar?

9433 upvotes • Rapioo

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
How much does a covid-19 vaccine lower the chance of you not spreading the virus to someone else, if at all?	9529	Araknhak
What does it feel like walking in areas with high radiation? Does it feel hot or something? Does it smell? Harder to breathe? Or is the only way you will figure it out (w/out a Geiger meter) is when you start to get sick?	9499	FangFingersss
Are we just “lucky” that Magnetic North is very close to True North, or is there something more behind the reason?	9492	HeirApperent
If SARS-Cov-2 is an RNA virus, why does the published genome show thymine, and not uracil?	9471	DirtyOldAussie
How do our hairs know when to stop growing?	9465	Merkani28
Megathread: 2017 Hurricane Season	9447	AskScienceModerator
Is it possible to contract COVID 19 a second time?	9447	Dalegendari
How does a fish know what kind of fish it is?	9446	Souprx
Why do we experience no sort of gag reflex when we are swallowing food or a drink?	9441	MicooForYou
Why do people with Down Syndrome look the same/very very similar?	9433	Rapioo