/r/askscience

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Japan has smoking population that is about 1/3 of its total population. How do the they have the second longest life expectancy in the world, when so many people smoke?

2601 upvotes • liberationforce

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So broadly speaking, white reflects radiation and black absorbs radiation. Then why do paler people experience sun damage so much faster than darker people?

2600 upvotes • itsfiercemildout

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AskScience AMA Series: I'm a wildlife filmmaker who's spent years tracking and filming the endangered ocelot population in Texas. Ask me anything!

2599 upvotes • AskScienceModerator

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With a heavy vehicle trying to stop on snow, what is the relationship between the higher mass increasing traction on the snow, but also increasing the momentum that has to be stopped?

2596 upvotes • Rxef3RxeX92QCNZ

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According to the theory Earth's magnetic poles flip about every 450,000 years known as " Geomagnetic reversal", if Earth's magnetic field is due to rotating molten iron in our core, does it mean the magma starts to rotate immediately in opposite direction at that time?

2595 upvotes • jabbaji

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Does the imaginary part of the voltage in an RLC circuit really exist, or is it just an artifact of the math we use to derive it that can be discarded? Is there any way to measure it?

2595 upvotes • craigdahlke

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How is the ion H- created?

2594 upvotes • momongadonno

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Why are so many of the worlds deepest caves in Georgia?

2594 upvotes • Ketwobi

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When you catch and release a fish does it lead a normal life despite its mouth injury?

2592 upvotes • lv3n3wb

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Since we can portray 3-D figures on a 2-D surface (ex. a cube drawn on piece of paper), is it possible to portray a 4-D figure in our 3-D world?

2591 upvotes • MacarenaMacaroni

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Japan has smoking population that is about 1/3 of its total population. How do the they have the second longest life expectancy in the world, when so many people smoke?	2601	liberationforce
So broadly speaking, white reflects radiation and black absorbs radiation. Then why do paler people experience sun damage so much faster than darker people?	2600	itsfiercemildout
AskScience AMA Series: I'm a wildlife filmmaker who's spent years tracking and filming the endangered ocelot population in Texas. Ask me anything!	2599	AskScienceModerator
With a heavy vehicle trying to stop on snow, what is the relationship between the higher mass increasing traction on the snow, but also increasing the momentum that has to be stopped?	2596	Rxef3RxeX92QCNZ
According to the theory Earth's magnetic poles flip about every 450,000 years known as " Geomagnetic reversal", if Earth's magnetic field is due to rotating molten iron in our core, does it mean the magma starts to rotate immediately in opposite direction at that time?	2595	jabbaji
Does the imaginary part of the voltage in an RLC circuit really exist, or is it just an artifact of the math we use to derive it that can be discarded? Is there any way to measure it?	2595	craigdahlke
How is the ion H- created?	2594	momongadonno
Why are so many of the worlds deepest caves in Georgia?	2594	Ketwobi
When you catch and release a fish does it lead a normal life despite its mouth injury?	2592	lv3n3wb
Since we can portray 3-D figures on a 2-D surface (ex. a cube drawn on piece of paper), is it possible to portray a 4-D figure in our 3-D world?	2591	MacarenaMacaroni