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Megathread: buried lake detected near Mars's south pole

1460 upvotes • AskScienceModerator

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Is the Atlantic Ocean mostly dead?

1460 upvotes • thenormaldude

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Why is it that when our pupils dilate for reasons unrelated to the brightness of our environment (i.e., when we're attracted to someone) we don't seem to perceive a change in brightness in our vision?

1460 upvotes • mdC__

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Do people with Schizophrenia feel very motivated because of all the dopamine they have? Wouldn't they feel good all the time because of the excess?

1459 upvotes • ares55

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Why is (human) blood immiscible acetone?

1458 upvotes • Harry_Breaker_Morant

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Is it true that laws like conservation of mass, energy, and charge are probabilistic laws?

1458 upvotes • dododante

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I know it takes two weeks for the flu vaccine to be fully effective. I assume effectiveness is zero right before the vaccine is administered, and maximum after two weeks. But is there a graph that shows how effectiveness changes in time?

1458 upvotes • florinandrei

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How is “muscle memory” understood scientifically? Do muscles have anything to do with it? Or is it some function of the subconscious?

1458 upvotes • treazon

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Chemists/physicists of reddit, what is the difference between dark, anti, and normal matter?

1457 upvotes • squirrelbuster94

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When you dip a napkin in water and the napkin eventually soaks up, where is the energy coming from to move the water up the napkin?

1457 upvotes • pillihp

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Megathread: buried lake detected near Mars's south pole	1460	AskScienceModerator
Is the Atlantic Ocean mostly dead?	1460	thenormaldude
Why is it that when our pupils dilate for reasons unrelated to the brightness of our environment (i.e., when we're attracted to someone) we don't seem to perceive a change in brightness in our vision?	1460	mdC__
Do people with Schizophrenia feel very motivated because of all the dopamine they have? Wouldn't they feel good all the time because of the excess?	1459	ares55
Why is (human) blood immiscible acetone?	1458	Harry_Breaker_Morant
Is it true that laws like conservation of mass, energy, and charge are probabilistic laws?	1458	dododante
I know it takes two weeks for the flu vaccine to be fully effective. I assume effectiveness is zero right before the vaccine is administered, and maximum after two weeks. But is there a graph that shows how effectiveness changes in time?	1458	florinandrei
How is “muscle memory” understood scientifically? Do muscles have anything to do with it? Or is it some function of the subconscious?	1458	treazon
Chemists/physicists of reddit, what is the difference between dark, anti, and normal matter?	1457	squirrelbuster94
When you dip a napkin in water and the napkin eventually soaks up, where is the energy coming from to move the water up the napkin?	1457	pillihp