A good love song tells female frogs when the time is right for mating, finds a UC Davis study showing male frogs change their ...

LONDON (AP) — Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a rare and lethal toxin found in the skin of poison dart frogs, five European countries said Saturday.

Russian opposition leader Alexei Navalny died in prison after being poisoned with a deadly toxin found in Ecuadorian dart ...

Russia “had the means, motive and opportunity to administer this poison" to Navalny, a joint statement from five European ...

Russian opposition leader Alexei Navalny was killed by a “deadly toxin” extracted from an Ecuadorian frog, according to the foreign ministries of five European countries. Navalny died in February 2024 ...

Russian opposition leader Alexei Navalny was fatally poisoned with a toxin from Ecuadorian dart frogs that is 200 times stronger than morphine — a “despicable” killing which could only have been ...