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

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After we set off nukes in Hiroshima/Nagasaki, why aren't they dealing with the sort of nuclear fallout we've seen in Chernobyl?

1656 upvotes

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If I wake up from a nightmare in the middle of the night with a high heart rate. Did the nightmare give me an increased heart rate, or did an increased heart rate manifest into a nightmare while I was sleeping?

48 upvotes

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Does the human body absorb Vitamin D from the sun via the eyes or skin?

16 upvotes

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How is my body able to wake up at the appropriate time I need to be awake sometimes, which sometimes defeats the purpose of my alarm clock. Am I really setting up a mental alarm clock that works subconsciously?

15 upvotes

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I always read about the diseases western Europeans settlers brought to American when they settled here wiping out Native Americans. Why didn't these diseases exist in NA?

11 upvotes

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Are we the only species that has and takes care of pets? Are there any other species that take care and feed an entirely different species?

9 upvotes

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If sneezing is caused by nose hairs detecting foreign particles to eject them, why does the ejection happen orally instead of the nose?

3 upvotes

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Since humans are an ever evolving species, how would sedentary lifestyles shape the future of what are species will look like and become. Can it be predicted?

2 upvotes

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Since there is so much pollution in the air nowadays, why aren't we sneezing constantly? (Since Sneezing is intended to eject foreign particles)

1 upvotes

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Regarding the medical marijuana being prescribed to children for conditions like seizures, does this mean the children are constantly high or is the THC removed?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
After we set off nukes in Hiroshima/Nagasaki, why aren't they dealing with the sort of nuclear fallout we've seen in Chernobyl?	1656
If I wake up from a nightmare in the middle of the night with a high heart rate. Did the nightmare give me an increased heart rate, or did an increased heart rate manifest into a nightmare while I was sleeping?	48
Does the human body absorb Vitamin D from the sun via the eyes or skin?	16
How is my body able to wake up at the appropriate time I need to be awake sometimes, which sometimes defeats the purpose of my alarm clock. Am I really setting up a mental alarm clock that works subconsciously?	15
I always read about the diseases western Europeans settlers brought to American when they settled here wiping out Native Americans. Why didn't these diseases exist in NA?	11
Are we the only species that has and takes care of pets? Are there any other species that take care and feed an entirely different species?	9
If sneezing is caused by nose hairs detecting foreign particles to eject them, why does the ejection happen orally instead of the nose?	3
Since humans are an ever evolving species, how would sedentary lifestyles shape the future of what are species will look like and become. Can it be predicted?	2
Since there is so much pollution in the air nowadays, why aren't we sneezing constantly? (Since Sneezing is intended to eject foreign particles)	1
Regarding the medical marijuana being prescribed to children for conditions like seizures, does this mean the children are constantly high or is the THC removed?	1