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

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 ...

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 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 ...