Epibatidine, the highly potent toxin Britain has linked to the death of Alexei Navalny, is reportedly 100 times more powerful than morphine. This extremely toxic, nicotine-like compound originates ...

Poison frogs appear to have built their chemical defenses gradually: related frogs store low to moderate levels of ...

Poison dart frogs produce powerful toxins that act on the nervous system, making even brief contact potentially lethal. Their bright coloration serves as a warning signal, advertising danger rather ...

A joint report alleging that a poison dart frog toxin has been linked to the death of Russian opposition leader Alexei Navalny rippled quickly around the globe among scientists. The allegations raised ...

The golden poison dart frog may be tiny, but it has earned a formidable reputation in the animal kingdom. Native to a small region of rainforest in western Colombia, this brightly colored amphibian is ...

The modern poison has become less a medieval cliché than a geopolitical signature flourish. Precise, deniable, and in Russia’s case, grimly familiar. Accusations of Russian poisoning surfaced again ...

Precise, deniable and, in Russia’s case, grimly familiar. Poison has become less a medieval cliché than a geopolitical signature flourish in recent years. Subscribe to read this story ad-free Get ...