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

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What will be the environmental impact of de-orbiting 42,000 Starlink satellites every five years? (Explanation in post)

1696 upvotes

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Why do abandoned buildings seem to decay so quickly when people live in buildings that are centuries old?

212 upvotes

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How do we treat radiation poisoning? We can't repair the DNA damage, can we?

136 upvotes

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Japanese are being advised to close doors and windows, switch off fans and place wet towels over the nose and mouth. How effective are these actions in dealing with a nuclear disaster?

73 upvotes

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Would people tend to become overweight in lower gravity environments?

62 upvotes

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If having blond hair and blue eyes is determined by recessive genes, why do so many Scandinavians have blond hair and blue eyes?

43 upvotes

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Are there any resources on Earth that we've already consumed for which we have no clear alternative?

15 upvotes

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If ectotherm are less capable of maintaining an internal temperature, does this mean they display less homeostatis? Are there organisms which clearly display different levels of homeostatis?

12 upvotes

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Are there creatures who are competitors, but also work together at times?

12 upvotes

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How many GPS satellites could we lose and still have a working GPS system?

8 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What will be the environmental impact of de-orbiting 42,000 Starlink satellites every five years? (Explanation in post)	1696
Why do abandoned buildings seem to decay so quickly when people live in buildings that are centuries old?	212
How do we treat radiation poisoning? We can't repair the DNA damage, can we?	136
Japanese are being advised to close doors and windows, switch off fans and place wet towels over the nose and mouth. How effective are these actions in dealing with a nuclear disaster?	73
Would people tend to become overweight in lower gravity environments?	62
If having blond hair and blue eyes is determined by recessive genes, why do so many Scandinavians have blond hair and blue eyes?	43
Are there any resources on Earth that we've already consumed for which we have no clear alternative?	15
If ectotherm are less capable of maintaining an internal temperature, does this mean they display less homeostatis? Are there organisms which clearly display different levels of homeostatis?	12
Are there creatures who are competitors, but also work together at times?	12
How many GPS satellites could we lose and still have a working GPS system?	8