What is dart frog toxin, the poison linked to Alexei Navalny’s death? - The toxin is reportedly 100 times more powerful than ...

Epibatidine, first identified in the 1990s from a frog species native to Ecuador, is not typically linked to intentional poisoning. Researchers describe it as exceptionally powerful, once investigated ...

Dart frogs, from the rainforests of Central and South America, make their powerful poison by eating toxic bugs. Their bold colors warn predators: “Do not eat me or you will regret it.” Orange, yellow, ...

Poisonous frogs produce and store alkaloid poisons or toxins in their skin, which makes them harmful to touch. They are commonly called poison arrow frogs or poison dart frogs. This is because Native ...