/r/askscience

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Only show posts with narrations

How does boiling water clean it? What can it NOT clean?

8714 upvotes • JustaLackey

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During pregnancy, how does the mother's immune system know to avoid attacking the baby?

8712 upvotes • vsw211

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How does “even if this flu shot isn’t an exact match, if you do get the flu it won’t be as bad” work?

8699 upvotes • epanek

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How does a group of fruit flies find their way all the way up to my 22nd floor apartment to eat my tomatoes sitting out?

8699 upvotes • Osopoe

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In this NASA image, why does the Earth appear behind the astronaut, as well as reflected in the visor in front of her?

8696 upvotes • KiIroywasHere

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Why is your mouth much more sensitive to cold water after brushing your teeth or chewing mint gum?

8693 upvotes • herrrro

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How can my portable battery charger drain itself completely when charging my phone? Shouldn't the two batteries come to equilibrium?

8684 upvotes • AristarchusTheMad

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How did they beam back live images from the moon before the invention of the CCD or digital sensor?? What device turned the image into radio waves?

8665 upvotes • ViddyDoodah

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If my voice sounds different to me than it does in a recording, then how am I able to accurately match my singing voice to the key of a song?

8657 upvotes • Torch_Salesman

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Why are European languages's words for "dog" all different but their words for "cat" all basically the same?

8652 upvotes • MCWarhammmer

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
How does boiling water clean it? What can it NOT clean?	8714	JustaLackey
During pregnancy, how does the mother's immune system know to avoid attacking the baby?	8712	vsw211
How does “even if this flu shot isn’t an exact match, if you do get the flu it won’t be as bad” work?	8699	epanek
How does a group of fruit flies find their way all the way up to my 22nd floor apartment to eat my tomatoes sitting out?	8699	Osopoe
In this NASA image, why does the Earth appear behind the astronaut, as well as reflected in the visor in front of her?	8696	KiIroywasHere
Why is your mouth much more sensitive to cold water after brushing your teeth or chewing mint gum?	8693	herrrro
How can my portable battery charger drain itself completely when charging my phone? Shouldn't the two batteries come to equilibrium?	8684	AristarchusTheMad
How did they beam back live images from the moon before the invention of the CCD or digital sensor?? What device turned the image into radio waves?	8665	ViddyDoodah
If my voice sounds different to me than it does in a recording, then how am I able to accurately match my singing voice to the key of a song?	8657	Torch_Salesman
Why are European languages's words for "dog" all different but their words for "cat" all basically the same?	8652	MCWarhammmer