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In March 2018, Sergei Skripal and his daughter Yulia were poisoned with an insidious, Soviet-developed nerve agent called A-234. Skripal was a former Russian intelligence officer who had been living ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have found that female toxic newts are far more deadly and ...

Add Yahoo as a preferred source to see more of our stories on Google. From the brightly colored poison frogs of South America to the prehistoric-looking newts of the Western US, the world is filled ...

From the brightly colored poison frogs of South America to the prehistoric-looking newts of the Western US, the world is filled with beautiful, deadly amphibians. Just a few milligrams of the newt’s ...