/u/AnonymousAutonomous's posts in /r/askscience
It is said that a woman is born with all of her eggs. But it is also said that every cell in the body is replaced every 7-10 years. Does that not contradict?
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ELI5: If I drop an object (anything for babies or otherwise). How long do I have to wait for the object to be "safe". For both viruses and bacteria.
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Ok, so a Prince Rupert's drop is very tough. However what keeps it from taking other geometric shapes like cooling a square of molten glass very quickly for the same physical properties?
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