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Genetics

Latest reports tagged Genetics.

SciencePublished August 19, 2026 · 22:00

What biological and cultural factors explain why many people enjoy eating spicy food despite the burning sensation?

A spicy paradox Spicy food is a strange case: it literally hurts, yet about 80% of people enjoy it anyway 13 . That "burn" isn't a taste — capsaicin, the hot molecule in chili peppers, binds to TRPV1 receptors, the same heat and pain sensors found on nerve cells in...

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SciencePublished August 14, 2026 · 00:02

What evolutionary explanations account for why nearly all organisms age and die instead of maintaining indefinite cellular repair?

The big picture: aging is a side effect, not a plan Evolutionary biologists generally treat aging as a non adaptive by product or side effect of evolution, not as a beneficial, designed process 1 52 53 . In other words, no genes evolved specifically to cause damage and death; aging...

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