/r/askscience

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Does a planet’s orbital wobble have to align with its orbital period? Could it have a wobble cycle that isn’t?

1014 upvotes • ioncloud9

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During reproduction, a sperm does not contribute any mitochondria to the egg, ensuring that the average person only receives mitochondria from their mother. Are there instances where someone, for some reason, DOES receive it from their father? If so, how does this affect the fetus/person?

1013 upvotes • Ulmaxes

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Why does air seem to cool as it moves, like from a fan or when you roll down a window while driving?

1013 upvotes • keener101

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Would electron degenerate matter behave similarly to a solid, gas, or liquid?

1013 upvotes • Joshbecker117

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How do deciduous trees know that it’s actually autumn and not just an extended cold snap in April or May and start changing color and dropping leaves?

1013 upvotes • kjpmi

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How good is the science behind massage therapy? Muscle knots, scar tissue, fascial adhesions: are any models or causes proven in peer-reviewed journals?

1012 upvotes • BiscottiBloke

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When I shine a laser through a piece of glass, did the photons coming out of the other side of the glass originate within the laser, or do the glass molecules produce photons with identical modes as the incident light?

1012 upvotes • ricksteer_p333

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If we built an enclosed, pressurized structure on the moon, would a human wearing a wing suit be able to sustain flight under his own flapping power?

1011 upvotes • 007T

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Why do people's eyes get red and glazed when they smoke marijuana?

1011 upvotes • dayoldbagels

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AskScience best of 2012 results!

1010 upvotes • coniform

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Does a planet’s orbital wobble have to align with its orbital period? Could it have a wobble cycle that isn’t?	1014	ioncloud9
During reproduction, a sperm does not contribute any mitochondria to the egg, ensuring that the average person only receives mitochondria from their mother. Are there instances where someone, for some reason, DOES receive it from their father? If so, how does this affect the fetus/person?	1013	Ulmaxes
Why does air seem to cool as it moves, like from a fan or when you roll down a window while driving?	1013	keener101
Would electron degenerate matter behave similarly to a solid, gas, or liquid?	1013	Joshbecker117
How do deciduous trees know that it’s actually autumn and not just an extended cold snap in April or May and start changing color and dropping leaves?	1013	kjpmi
How good is the science behind massage therapy? Muscle knots, scar tissue, fascial adhesions: are any models or causes proven in peer-reviewed journals?	1012	BiscottiBloke
When I shine a laser through a piece of glass, did the photons coming out of the other side of the glass originate within the laser, or do the glass molecules produce photons with identical modes as the incident light?	1012	ricksteer_p333
If we built an enclosed, pressurized structure on the moon, would a human wearing a wing suit be able to sustain flight under his own flapping power?	1011	007T
Why do people's eyes get red and glazed when they smoke marijuana?	1011	dayoldbagels
AskScience best of 2012 results!	1010	coniform