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

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How do we know what the magnitude of earthquakes was before the Richter scale was a thing?

3212 upvotes

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If I have a single white hair as long as the rest of my hair, did it grow white from the beginning and I just didn't notice it, or did the entire hair change color at some point?

1 upvotes

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In the course of evolution, can a gene become recessive, or does it just die out?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do we know what the magnitude of earthquakes was before the Richter scale was a thing?	3212
If I have a single white hair as long as the rest of my hair, did it grow white from the beginning and I just didn't notice it, or did the entire hair change color at some point?	1
In the course of evolution, can a gene become recessive, or does it just die out?	1