Add Yahoo as a preferred source to see more of our stories on Google. The “metallic poison frog” Ranitomeya aquamarina (left) and the “heavenly” Ranitomeya aquamarina (right) are the first newly ...

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

Add Yahoo as a preferred source to see more of our stories on Google. A joint report alleging that a poison dart frog toxin has been linked to the death of Russian opposition leader Alexei Navalny ...

This newly discovered poison frog may represent an evolutionary step on the pathway towards developing brilliant warning coloration associated with other poison dart frogs. A small reddish-brown frog ...

In the forests of western Brazil, along the banks of a Juruá River tributary, researchers came upon more than a dozen tiny creatures, smaller than a nickel, flaunting bright colors that warned: “stay ...

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

Poison? What poison? Some bacteria may treat the powerful toxins bathing poison dart frog skin like a buffet. The alkaloid chemicals that poison dart frogs wield on their skin increase the variety of ...

Epibatidine is about 100 times more potent than morphine, and derived from frogs native to South America Russia killed Alexei Navalny with frog toxin, UK and four European allies say Epibatidine, the ...

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