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

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Analogous to pupils dilating and constricting with light, does the human ear physically adjust in response to volume levels?

2777 upvotes

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Why does sleep give such variable physical and cognitive ability rather than acting like a battery for a smartphone where full function is available even at low percent?

1 upvotes

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What advantage do deep sea creatures hold in having their eyes and mouth in the same structure as other species. At that depth couldn't the mouth be on the top and the eyes on the bottom with little consequence?

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What happens to the probiotic I take while on antibiotics? Does one effect the other?

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If I have a glass of room temperature water with 3 ice cubes should I leave the glass in the shade or the sun to cool it down faster?

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What is the evolutionary benefit to humans experiencing brain freezes?

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If you took a 1yr old to a park, film it, then proceed to remind them with that video every day for 20 years without physically returning would their final memory of the experience be the video or the park itself?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Analogous to pupils dilating and constricting with light, does the human ear physically adjust in response to volume levels?	2777
Why does sleep give such variable physical and cognitive ability rather than acting like a battery for a smartphone where full function is available even at low percent?	1
What advantage do deep sea creatures hold in having their eyes and mouth in the same structure as other species. At that depth couldn't the mouth be on the top and the eyes on the bottom with little consequence?	1
What happens to the probiotic I take while on antibiotics? Does one effect the other?	1
If I have a glass of room temperature water with 3 ice cubes should I leave the glass in the shade or the sun to cool it down faster?	1
What is the evolutionary benefit to humans experiencing brain freezes?	1
If you took a 1yr old to a park, film it, then proceed to remind them with that video every day for 20 years without physically returning would their final memory of the experience be the video or the park itself?	1