/u/Phonebill's posts in /r/askscience

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Only show posts with narrations

I was recording myself in my sleep last night and it got me thinking, what decides why we change sleeping positions while we're sleeping?

912 upvotes

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Are stars the only main heat source in the universe?

55 upvotes

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How can the brain seperate or lock out sounds, when hearing many different sounds at once?

26 upvotes

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As I understand it, the Sun's gravity force and the planets in our solar system's motion through space is "equal" and therefore we're not getting pulled towards the sun and neither drifting away. How did all the planets get the speed around the sun they needed to stay in a stable orbit?

4 upvotes

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Why is vomiting a natural reaction when you see, hear or smell something gross?

3 upvotes

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Why does radiation damage, such as the people affected by the Chernobyl accident, suffer injury and sickness days to years later? Why doesn't this affect them right away?

1 upvotes

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If we elvoved from the apes, shouldn't we like bananas more than we do now?

1 upvotes

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What is the fastest way to kill all life on earth and how long would it take?

1 upvotes

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Another theory on the Universe, is that is has always existed. How is this even possible?

1 upvotes

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How come I got dark-blonde hair, red beard, bright-blonde beard wich grow right underneath my mouth, and black hair on my legs? Why are there different hair colors?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I was recording myself in my sleep last night and it got me thinking, what decides why we change sleeping positions while we're sleeping?	912
Are stars the only main heat source in the universe?	55
How can the brain seperate or lock out sounds, when hearing many different sounds at once?	26
As I understand it, the Sun's gravity force and the planets in our solar system's motion through space is "equal" and therefore we're not getting pulled towards the sun and neither drifting away. How did all the planets get the speed around the sun they needed to stay in a stable orbit?	4
Why is vomiting a natural reaction when you see, hear or smell something gross?	3
Why does radiation damage, such as the people affected by the Chernobyl accident, suffer injury and sickness days to years later? Why doesn't this affect them right away?	1
If we elvoved from the apes, shouldn't we like bananas more than we do now?	1
What is the fastest way to kill all life on earth and how long would it take?	1
Another theory on the Universe, is that is has always existed. How is this even possible?	1
How come I got dark-blonde hair, red beard, bright-blonde beard wich grow right underneath my mouth, and black hair on my legs? Why are there different hair colors?	1