Scientists have braved 50C heat and venomous snakes to track down a "leopard-print" frog virtually unknown to science and learn how it reproduces. Argentinian conservation scientists are fighting ...

Curare [kyoo-RAW-ree], for example, is found on the skin of colorful poison dart frogs. Another special feature of most amphibians is their egg-larva-adult life cycle. The larvae are aquatic and ...