/u/HeyT00ts11's posts in /r/askscience

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Does our heart muscle ever cramp up like the rest of our muscles? Is that what a heart attack is?

43 upvotes

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What is happening when I lean my head back and can "hear" my pulse?

1 upvotes

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What is the current perception of medical progress in other countries? Are some countries doing a better job with effective, cutting-edge science in medical applications, such as non-embryonic stem cell treatments, than the US?

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What does it mean for a plant to, "revert to species"? What does revert to species mean, how does this occur and how can it be prevented?

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Why does my cat give a little shimmy directly after scratching his ear? Why don't people do that, or do we? Did this serve some purpose long ago?

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Does a set of possible apocalyptic circumstances exist on earth whereupon cats are left alive, but humans and large primates are not?

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How do nerve endings differ? Is it number of endings per area, proximity to harm, or are there different kinds of nerves altogether in different areas of the body?

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Why do punches to the jaw knock people out so fast?

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What causes an animal to start breathing the first time?

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Is it true we remember emotional pain more than physical pain? Are we better at forgetting physical pain? If so, why is that?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does our heart muscle ever cramp up like the rest of our muscles? Is that what a heart attack is?	43
What is happening when I lean my head back and can "hear" my pulse?	1
What is the current perception of medical progress in other countries? Are some countries doing a better job with effective, cutting-edge science in medical applications, such as non-embryonic stem cell treatments, than the US?	1
What does it mean for a plant to, "revert to species"? What does revert to species mean, how does this occur and how can it be prevented?	1
Why does my cat give a little shimmy directly after scratching his ear? Why don't people do that, or do we? Did this serve some purpose long ago?	1
Does a set of possible apocalyptic circumstances exist on earth whereupon cats are left alive, but humans and large primates are not?	1
How do nerve endings differ? Is it number of endings per area, proximity to harm, or are there different kinds of nerves altogether in different areas of the body?	1
Why do punches to the jaw knock people out so fast?	1
What causes an animal to start breathing the first time?	1
Is it true we remember emotional pain more than physical pain? Are we better at forgetting physical pain? If so, why is that?	1