The toxin, epibatidine, can be found in frogs in the wild in South America or manufactured in a lab.

European allies' findings that Putin critic Alexei Navalny was killed with a rare toxin from poison dart frogs is "troubling, ...

Species such as the brightly coloured Anthony’s poison arrow frog and the Phantasmal poison frog secrete this substance onto their skin. Researchers theorise that the frogs acquire the toxin through ...

Epipedobates anthonyi, known as Anthony’s poison arrow frog, typically measures 22mm long. Its skin carries sufficient ...

Epibatidine is about 100 times more potent than morphine, and derived from frogs native to South America ...

The five nations now plan to submit their findings to the Organisation for the Prohibition of Chemical Weapons (OPCW) to ramp ...

"The U.K., Sweden, France, Germany, and the Netherlands are confident that Alexei Navalny was poisoned with a lethal toxin," ...

Epibatidine is a rare and extremely toxic alkaloid found in the skin of a South American poison dart frog, Epipedobates ...

Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a rare and lethal toxin found in the skin of poison ...

Dart frogs in captivity do not produce the toxin, and it is not found naturally in Russia, five European governments said.

ALEXEI Navalny’s wife has called for Vladimir Putin to pay for his actions – after it was revealed the opposition leader was ...

Five European countries on Saturday accused Russia of ‘poisoning’ opposition leader Alexei Navalny in prison using a ‘rare ...