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

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Only show posts with narrations

How do some fabrics "keep you cool in the summer and warm in the winter?" Or, is this just an advertising gimmick?

411 upvotes

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Is it a coincidence that we live in a time when the earth's magnetic poles are aligned with the earths tilt in relation to the Sun, (and therefore located at the coldest places on the planet)? If not, what do the Earth's magnetic poles have to do with the tilt of the earth/climate?

16 upvotes

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For Neurons that aren't constantly firing, how long does it take for the sodium-potassium pump to return sodium and potassium to their pre-stimulation balance? Another neuron question in text.

7 upvotes

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Why can't cameras focus on the background and foreground at the same time?

7 upvotes

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If I were to travel back in time 1000 years, would I quickly die from infectious disease or would my current antibodies protect me?

2 upvotes

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When a strong fire is blazing, like a forest fire, what causes the vibrations that make the fire's sound?

2 upvotes

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What kind of tree is this and why does it smell like dog poop when in bloom?

1 upvotes

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If every roach on earth died simultaneously, how would human life change?

1 upvotes

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Which two indigenous populations of humans have the largest biological differences over the smallest geographical distance?

1 upvotes

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I have a cold, and my nose is dripping like a leaky faucet. How does that much "water" even get in there?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do some fabrics "keep you cool in the summer and warm in the winter?" Or, is this just an advertising gimmick?	411
Is it a coincidence that we live in a time when the earth's magnetic poles are aligned with the earths tilt in relation to the Sun, (and therefore located at the coldest places on the planet)? If not, what do the Earth's magnetic poles have to do with the tilt of the earth/climate?	16
For Neurons that aren't constantly firing, how long does it take for the sodium-potassium pump to return sodium and potassium to their pre-stimulation balance? Another neuron question in text.	7
Why can't cameras focus on the background and foreground at the same time?	7
If I were to travel back in time 1000 years, would I quickly die from infectious disease or would my current antibodies protect me?	2
When a strong fire is blazing, like a forest fire, what causes the vibrations that make the fire's sound?	2
What kind of tree is this and why does it smell like dog poop when in bloom?	1
If every roach on earth died simultaneously, how would human life change?	1
Which two indigenous populations of humans have the largest biological differences over the smallest geographical distance?	1
I have a cold, and my nose is dripping like a leaky faucet. How does that much "water" even get in there?	1