What is the dart frog toxin allegedly used to kill Alexei Navalny?
The toxin, epibatidine, can be found in frogs in the wild in South America or manufactured in a lab.
Category Archives: Science
We will do battle with AI chatbots as we did with Grok, says Starmer
The government's new plans will mean no online platform will get a "free pass" on children's safety on the internet, the prime minister says.
Trump eyes Venezuela visit – but obstacles to his oil plan remain
The US president wants American energy firms to start extracting the crude but they are reluctant.