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nezbyte , to Ask Science in Hypothetically speaking, what alterations to our biology/genome would need to occur in order for us to be able to safely drink saltwater?

According to this article, a longer loop of Henle in the kidney could be the secret to what allows some mammals to drink sea water.

For reference on why we didn’t evolve this naturally, this Stack Exchange answer suggests that most land animals live near fresh water.

nezbyte , to Star Trek in So, do humans stink?

I knew a guy who couldn’t smell anything for weeks after smoking weed. As a maintenance worker for an apartment complex, he kept that up for years.

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