In nature, size is often misleading. Some of the most powerful defences on Earth belong not to large predators, but to ...

A decades-old mix-up in a museum collection led scientists to mistakenly identify a Peruvian poison frog as a new species.

Poison frogs living in human care aren’t poisonous, thanks to a “detox” diet of mild insects, like crickets and fruit flies. Can adding alkaloids to a frog’s diet help it regain its toxins and get its ...