/u/srirachaninja's posts in /r/askscience

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Do (homemade / surgical ) facemasks really help against the virus? A virus is so tiny, can the mesh of the fabric / paper really keep it out?

8 upvotes

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How does a vaccine help you after you got infected?

5 upvotes

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Why do meteorites have a higher concentration of precious metals?

1 upvotes

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Is knowledge transfer via DNA possible?

1 upvotes

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Does 80c warm water contain double the energy than 40c warm water?

1 upvotes

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Why do you have lifelong immunity from some vaccines but other ones need to be refreshed every couple of years?

1 upvotes

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Why don't we get immune to mosquito bites like beekeepers to bee stings?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Do (homemade / surgical ) facemasks really help against the virus? A virus is so tiny, can the mesh of the fabric / paper really keep it out?	8
How does a vaccine help you after you got infected?	5
Why do meteorites have a higher concentration of precious metals?	1
Is knowledge transfer via DNA possible?	1
Does 80c warm water contain double the energy than 40c warm water?	1
Why do you have lifelong immunity from some vaccines but other ones need to be refreshed every couple of years?	1
Why don't we get immune to mosquito bites like beekeepers to bee stings?	1