Poison dart frogs have fascinated researchers. Now their toxin has allegedly been linked to the death of Russian opposition ...

Scientists from Germany, France, the Netherlands, Sweden and the UK performed a postmortem analysis of the Russian pro-democracy campaigner and opposition leader, who died on February 16, 2024. As ...

By Ben Aris in Berlin Russian opposition figure Alexei Navalny was killed using a toxin derived from a deadly frog poison, ...

A Brazilian woman travelling to Sao Paulo via Panama has been charged with wildlife trafficking after 130 Harlequin frogs were seized from her luggage. The alleged smuggler was arrested at Bogota’s El ...

Some frogs are poisonous because of what they eat, not because they produce poison themselves. In the wild, certain brightly ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. If you thought the poison dart frog was a scary animal, ...