/r/askscience

Year:

Only show posts with narrations

Does the fetus absorb hormones such as cortisol or endorphins from the mother? Does the baby gets dependent and expects to receive it after birth?

464 upvotes • am_i_here

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Weight considerations aside, would lining a spacecraft with lead protect astronauts from harmful cosmic radiation?

464 upvotes • thereal_ninjabill

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Do female to male sex reassignment patients choose their penis's size? If not what defines it?

464 upvotes • mawktheone

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Regression Toward the Mean versus Gambler's Fallacy: seriously, why don't these two conflict?

464 upvotes • the_twilight_bard

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Why do we kiss?

463 upvotes • HarveyBiirdman

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How are mating phenomenon, particularly sexual cannibalism, evolutionary beneficial to a species?

463 upvotes • SquirtleSquadKing

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Why is it that humans can regenerate skin, bone and muscle after an injury but can't regrow lost limbs or eyes?

463 upvotes • karmadogma

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When we say the earth is 4.5 billion years old, what event do we do we define as its birth?

463 upvotes • Sassmole

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Why is it so satisfying to rub our eyes for long periods of time? And why do we see all the pretty "shapes and colors?"

463 upvotes • swaggerjack77

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(Astronomy) When fusion begins in a star, is at an immediate happening where the entire star bursts to life or does it slowly build energy and therefore light emission?

463 upvotes • nickdamnit

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Does the fetus absorb hormones such as cortisol or endorphins from the mother? Does the baby gets dependent and expects to receive it after birth?	464	am_i_here
Weight considerations aside, would lining a spacecraft with lead protect astronauts from harmful cosmic radiation?	464	thereal_ninjabill
Do female to male sex reassignment patients choose their penis's size? If not what defines it?	464	mawktheone
Regression Toward the Mean versus Gambler's Fallacy: seriously, why don't these two conflict?	464	the_twilight_bard
Why do we kiss?	463	HarveyBiirdman
How are mating phenomenon, particularly sexual cannibalism, evolutionary beneficial to a species?	463	SquirtleSquadKing
Why is it that humans can regenerate skin, bone and muscle after an injury but can't regrow lost limbs or eyes?	463	karmadogma
When we say the earth is 4.5 billion years old, what event do we do we define as its birth?	463	Sassmole
Why is it so satisfying to rub our eyes for long periods of time? And why do we see all the pretty "shapes and colors?"	463	swaggerjack77
(Astronomy) When fusion begins in a star, is at an immediate happening where the entire star bursts to life or does it slowly build energy and therefore light emission?	463	nickdamnit