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

Days after European leaders accused Russia of ‘poisoning’ opposition leader Alexei Navalny in prison using a ‘rare toxin’, South American dart frog experts on Monday reportedly said that the ...

South American dart frog experts on Monday said that the toxin alleged to have killed Russian dissident Alexei Navalny was likely a lab-produced replica rather than harvested directly from the wild.

Madeleine Finlay sits down with science editor Ian Sample and science correspondent Nicola Davis to discuss three eye-catching stories, including the impact of a powerful psychedelic on depression, ...

Russia Tells European Nations Who Accuse It of Poisoning Navalny With Dart Frog Toxin to Provide Proof MOSCOW, Feb 18 (Reuters) - Russia ⁠is ⁠demanding that European ⁠countries who accused Moscow of ...

MOSCOW, Feb 18 (Reuters) - Russia is demanding that European countries who accused Moscow of poisoning Kremlin critic Alexei Navalny with a dart frog toxin provide concrete data to support their ...

Russia is demanding that European countries who accused Moscow of poisoning Kremlin critic Alexei Navalny with a dart frog toxin provide concrete data to support their allegation, according to Foreign ...

Add Yahoo as a preferred source to see more of our stories on Google. Tributes to late Kremlin critic Alexei Navalny are left outside the Russian Embassy, on the second anniversary of his death and ...

Two years after Russian opposition leader Alexei Navalny died in prison, five European countries claim they have identified the substance that killed him: epibatidine, an extremely lethal toxin ...

Tributes to late Kremlin critic Alexei Navalny are left outside the Russian Embassy, on the second anniversary of his death and after a joint statement from Britain, Sweden, France, Germany and The ...

To show that the Wiregrass isn't done with winter cold yet, Meteorologist Zack Webster displays the freezing record lows throughout February and March. Some of Genesis Reid's neighbors reported she ...