/r/askscience

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If someone becomes immunized, and you receive their blood, do you then become immunized?

7031 upvotes • szeretlek

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I have recently heard that astronomers have found an "exomoon". I am quite scientifically illiterate so what exactly is an exomoon and how could it affect us on Earth?

7018 upvotes • SugarandBlotts

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Why don't plants get sunburned or genetic damage/cancer being out in the sun all day?

7015 upvotes • handouras

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Solar panels directly convert sunlight into electricity. Are there technologies to do so with heat more efficiently than steam turbines?

7011 upvotes • eagle332288

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Do dead insects “go bad” for other insects that eat them such as spiders?

7002 upvotes • Bliss266

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What is up with the seahorse? It looks like nature hit the random button during critter creation. Where did it evolve from? what other sea critters is it related to?

6998 upvotes • Bostonterrierpug

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Do mosquitos hide in predictable locations?

6994 upvotes • Memeophile

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mtDNA is passed down from females to all of their children; shouldn't there be people around who carry denisovan or neanderthal mtDNA because they had a great- great- (etc) grandmother who was denisovan or neanderthal?

6992 upvotes • WhatsAMisanthrope

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Liquids can't actually be incompressible, right?

6991 upvotes • BarAgent

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From a cost stand point, would it not make sense to build duplicates of space probes and send them to different locations?

6989 upvotes • HelpMeDevices

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If someone becomes immunized, and you receive their blood, do you then become immunized?	7031	szeretlek
I have recently heard that astronomers have found an "exomoon". I am quite scientifically illiterate so what exactly is an exomoon and how could it affect us on Earth?	7018	SugarandBlotts
Why don't plants get sunburned or genetic damage/cancer being out in the sun all day?	7015	handouras
Solar panels directly convert sunlight into electricity. Are there technologies to do so with heat more efficiently than steam turbines?	7011	eagle332288
Do dead insects “go bad” for other insects that eat them such as spiders?	7002	Bliss266
What is up with the seahorse? It looks like nature hit the random button during critter creation. Where did it evolve from? what other sea critters is it related to?	6998	Bostonterrierpug
Do mosquitos hide in predictable locations?	6994	Memeophile
mtDNA is passed down from females to all of their children; shouldn't there be people around who carry denisovan or neanderthal mtDNA because they had a great- great- (etc) grandmother who was denisovan or neanderthal?	6992	WhatsAMisanthrope
Liquids can't actually be incompressible, right?	6991	BarAgent
From a cost stand point, would it not make sense to build duplicates of space probes and send them to different locations?	6989	HelpMeDevices