Psychedelics for depression, dart frog poison and why do we have chins? – podcast

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, answers on the death of Russian opposition leader Alexei Navalny, and an explanation to the mystery of why humans have chins Single dose of potent psychedelic drug could help treat depression, trial shows Was Navalny poisoning by frog toxin meant to send a message? Continue reading...

By Presented and produced by Madeleine Finlay, with Ian Sample and Nicola Davis, sound design by Ross Burns, the executive producer was Ellie Bury