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

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Hypothetically, if someone from present day travelled back in time (say, 50 years) would they be more susceptible to cold/flu strains from the past than from their own time?

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Where exactly do the electrons come from when a dynamo "creates" electrons?

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Can consuming too much salt lead to dehydration?

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If metacognition is compromised by hypoxia, is there any sort of method at all to determining that you're succumbing to it?

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If an asteroid hit the Earth, how long would it take the shockwave to propagate across the surface of the planet? Speed of sound or supesonic?

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What would happen if a volcano erupted inside a hurricane?

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Could humanity -- as an absolute last resort -- initiate a "controlled" nuclear winter to avoid extinction from global warming?

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What color would blood be if all the oxygen was removed from the iron?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Hypothetically, if someone from present day travelled back in time (say, 50 years) would they be more susceptible to cold/flu strains from the past than from their own time?	1
Where exactly do the electrons come from when a dynamo "creates" electrons?	1
Can consuming too much salt lead to dehydration?	1
If metacognition is compromised by hypoxia, is there any sort of method at all to determining that you're succumbing to it?	1
If an asteroid hit the Earth, how long would it take the shockwave to propagate across the surface of the planet? Speed of sound or supesonic?	1
What would happen if a volcano erupted inside a hurricane?	1
Could humanity -- as an absolute last resort -- initiate a "controlled" nuclear winter to avoid extinction from global warming?	1
What color would blood be if all the oxygen was removed from the iron?	1