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

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Do primate communication contain grammar like human languages?

346 upvotes

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Why do we sometimes itch when our wounds heal?

32 upvotes

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In space movies and documentaries, there is always some scene where you are traveling through space and passing little lights all around you to simulate movement forward. Are each of those little lights Stars? Or is this an inaccurate portrayal of galaxies?

2 upvotes

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Why do we tear up/cry when we see someone else cry and why do we yawn when we see someone else yawn? What other reactions do we have when we see others have it?

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How much of the world's water is currently placed into 'Injection Wells' and no longer in circulation? Will we eventually deplete all our water resource if we continue to fill up these wells? Is this a serious concern? Why or why not?

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Are we able to scientifically predict what human evolution will look like in several million years? How or why not?

1 upvotes

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Does forgetting mean the brain is using less energy or when you temporarily forget something until you are willfully try to remember it, is the bring conserving energy?

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If we put the James Webb telescope where Hubble currently is and pointed it at Mars, could it take a picture of the martian ground in high resolution?

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If was repeatedly exposed to smell of human feces on a daily basis, how long will it be before my nose gets used to it that I don't react? Or will my body always react? Why or why not?

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Are bowel movements pretty regulated in terms of what time you need to go or are they more random? How is this determined?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Do primate communication contain grammar like human languages?	346
Why do we sometimes itch when our wounds heal?	32
In space movies and documentaries, there is always some scene where you are traveling through space and passing little lights all around you to simulate movement forward. Are each of those little lights Stars? Or is this an inaccurate portrayal of galaxies?	2
Why do we tear up/cry when we see someone else cry and why do we yawn when we see someone else yawn? What other reactions do we have when we see others have it?	2
How much of the world's water is currently placed into 'Injection Wells' and no longer in circulation? Will we eventually deplete all our water resource if we continue to fill up these wells? Is this a serious concern? Why or why not?	2
Are we able to scientifically predict what human evolution will look like in several million years? How or why not?	1
Does forgetting mean the brain is using less energy or when you temporarily forget something until you are willfully try to remember it, is the bring conserving energy?	1
If we put the James Webb telescope where Hubble currently is and pointed it at Mars, could it take a picture of the martian ground in high resolution?	1
If was repeatedly exposed to smell of human feces on a daily basis, how long will it be before my nose gets used to it that I don't react? Or will my body always react? Why or why not?	1
Are bowel movements pretty regulated in terms of what time you need to go or are they more random? How is this determined?	1