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

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During Electrolysis of Water, what happens to oxygen at the cathode and hydrogen at the anode?

28 upvotes

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During my paramedics course I've been told that torn of limbs can sometimes not bleed at all, neither ends, due to blood vessels shrinking and retracting into the body. How accurate is this? Has anyone ever witnessed something like that?

16 upvotes

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How do PTSD-Preventing medications work?

3 upvotes

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If one atom inside me was "infected" and would infect every atom it touches every second and so would they, how long would it take until I and then the entire earth are "infected"?

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How does the human body get used to cold?

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Can animals recognize intelligence?

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How far could i see with an infinitively sensitive camera with limited size.

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With an infinitively fine sensor, how far could a camera in space capture a static object and details on it?

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Why do we feel pain in areas and situations in which the pain is distracting and lowering survival chance rather than improving it? And why do things hurt long after the situation exists and just causes suffering?

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If humans could only eat once a year, but would only need one day's worth, what meals and foods would that person have to eat to get ALL needed vitamins, trace elements and so on

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
During Electrolysis of Water, what happens to oxygen at the cathode and hydrogen at the anode?	28
During my paramedics course I've been told that torn of limbs can sometimes not bleed at all, neither ends, due to blood vessels shrinking and retracting into the body. How accurate is this? Has anyone ever witnessed something like that?	16
How do PTSD-Preventing medications work?	3
If one atom inside me was "infected" and would infect every atom it touches every second and so would they, how long would it take until I and then the entire earth are "infected"?	1
How does the human body get used to cold?	1
Can animals recognize intelligence?	1
How far could i see with an infinitively sensitive camera with limited size.	1
With an infinitively fine sensor, how far could a camera in space capture a static object and details on it?	1
Why do we feel pain in areas and situations in which the pain is distracting and lowering survival chance rather than improving it? And why do things hurt long after the situation exists and just causes suffering?	1
If humans could only eat once a year, but would only need one day's worth, what meals and foods would that person have to eat to get ALL needed vitamins, trace elements and so on	1