In a rainforest, small animals survive by hiding. By blending in with their environment until danger passes, many unique ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. This extremely toxic, nicotine-like compound originates from the Epipedobates genus of poison dart frogs, found exclusively in ...

Precise, deniable and, in Russia’s case, grimly familiar. Poison has become less a medieval cliché than a geopolitical signature flourish in recent years. Accusations of Russian poisoning surfaced ...

The Russian state has long been accused of using exotic poisons to murder its opponents - whether the nerve agent Novichok or radioactive plutonium isotopes. Could Alexei Navalny have been killed by ...

The investigative minds at How to Survive look at the powerful chemicals on a tiny frog's skin that can stop a predator's ...

The dart frog toxin, including batrachotoxin and epibatidine, is a potent natural poison used by frogs for defense, which can cause paralysis, heart failure, and death in humans, with no known ...