/r/askscience

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Why does my radio signal completely drop out when I strike an arc with a stick welder?

647 upvotes • gozman

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Why do we look for 'goldilocks' planets when searching for extraterrestrial life?

647 upvotes • lizhang

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Is there a maximum gravity for lagrange points associated with co-orbiting black holes?

647 upvotes • 7LeagueBoots

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Is it actually possible to knock someone unconscious by hitting a "pressure point" like in movies? (e.g. lower neck)

646 upvotes • dontworryimnotacop

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Why do bodies turn white in salt water?

646 upvotes • piyochama

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Why do some people easily become hopelessly addicted to a drug, but others can quit as they please? What separates the two?

646 upvotes • lightsaberon

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How do Astronauts aboard the ISS digest food, do the contents of the stomach float around? Is the digestive process reliant on gravity at all?

646 upvotes • redw04

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To eliminate the need for an extra day every four years, why couldn't we just redefine the second?

646 upvotes • probablyinahotel

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Is it possible to shrink plastic, then bring it back to original size?

646 upvotes • lazyboyah

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Where do we get raw elements from? Ie. Neon, helium.

646 upvotes • arunningturtle

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why does my radio signal completely drop out when I strike an arc with a stick welder?	647	gozman
Why do we look for 'goldilocks' planets when searching for extraterrestrial life?	647	lizhang
Is there a maximum gravity for lagrange points associated with co-orbiting black holes?	647	7LeagueBoots
Is it actually possible to knock someone unconscious by hitting a "pressure point" like in movies? (e.g. lower neck)	646	dontworryimnotacop
Why do bodies turn white in salt water?	646	piyochama
Why do some people easily become hopelessly addicted to a drug, but others can quit as they please? What separates the two?	646	lightsaberon
How do Astronauts aboard the ISS digest food, do the contents of the stomach float around? Is the digestive process reliant on gravity at all?	646	redw04
To eliminate the need for an extra day every four years, why couldn't we just redefine the second?	646	probablyinahotel
Is it possible to shrink plastic, then bring it back to original size?	646	lazyboyah
Where do we get raw elements from? Ie. Neon, helium.	646	arunningturtle