As people that rely on the sun for so much and spend much of the day in it, why haven’t we developed an immunity to sun related issues such as burns, cancers, etc.. ?
It’s amusing that our greatest source of life is also our deadliest enemy if we are exposed for too long
In: Biology
Our skins do a great job, as far as natural selection is concerned. We survive, generally, long enough to reproduce.
Unfortunately, there’s no easy way for nature to select for longevity in ultraviolet radiation after we get to the point that we’re able to easily reproduce.
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