Could psychedelics help us heal from trauma and mental illnesses? Researcher Rick Doblin has spent the past three decades investigating this question, and the results are promising. In this fascinating dive into the science of psychedelics, he explains how drugs like LSD, psilocybin and MDMA affect your brain -- and shows how, when paired with p...

The world-changing promise of synthetic biology and gene editing has a dark side. In this far-seeing talk, author and entrepreneur Rob Reid reviews the risks of a world where more and more people have access to the tools and tech needed to create a doomsday bug that could wipe out humanity -- and suggests that it's time to take this danger serio...