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Biology

The Evolution of Eusociality in Naked Mole-Rats and Termites

Quick fact

Unlike honeybees and ants, where haplodiploidy makes sisters share 75% of their genes, naked mole-rats and termites are diploid—siblings share only 50%. Yet they still evolved full eusociality, forcing scientists to rethink why altruism evolves.

Why this is interesting

In the baking heat of the African savanna, a tiny, blind, cold-blooded mammal digs for its life—yet it will never reproduce. Why would an animal give up its own chance to have offspring?

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