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Ant pupae that are fatally sick don't hide their condition; instead, they release a special scent that warns the rest of the colony. This signal prompts worker ants to open the pupae's cocoons and disinfect them with formic acid, stopping the ...

Scientists found that adult bristleworm eyes grow continuously thanks to a rim of neural stem cells similar to those in vertebrate eyes. This growth is surprisingly regulated by environmental light via a vertebrate-like c-opsin. The discovery reveals ...

Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This supports the idea that alcohol exposure is not a modern . ...

A newly identified crocodile relative from Egypt pushes back the origins of the marine-hunting dyrosaurids by millions of years. The fossil, Wadisuchus kassabi, shows a mix of primitive and advanced traits that mark a key evolutionary transition. ...