I can't prove it, but I'm pretty sure that people gain a selective advantage from believing in things they can't prove.
The body is a bundle of careful compromises.
Natural selection involves no plan, no goal, and no direction — just genes increasing and decreasing in frequency depending on whether individuals with those genes have, relative to other individuals, greater or lesser reproductive success.
If you could make male mortality rates the same as female rates, you would do more good than curing cancer.
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