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

Poison frogs are small and brightly colored amphibians that originate from Central and South America. As suggested by their name, these frogs can release highly toxic chemicals from their skin, which ...

The golden poison frog of Colombia packs enough toxin in its skin to kill ten grown men, yet it produces none of that poison itself. Like other poison frogs, it harvests alkaloids from the ants and ...

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 ...

Scientists at the University of Kansas Biodiversity Institute and Natural History Museum recently uncovered a mistake that dates back decades involving a poison frog specimen from Peru. The frog had ...

New species of poison dart frog from Brazil and Peru described after being misidentified for decades, according to a study. CRYSTAL MIRALLEGRO Unsplash For nearly 40 years, a new species of poison ...

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 ...