How the Black Death changed the course of human evolution. Plus, the exoplanet with a marshmallow-like atmosphere. And IKEA is testing out autonomous delivery vehicles.Sponsor:Shopify, Get a 14-day free trial at shopify.com/coolLinks:The Black Death Shaped Human Evolution, And We're Still in Its Shadow (ScienceAlert)The Black Death shaped the evolution of immunity genes, setting the course for how we respond to disease today, researchers find (EurekAlert)Black Death etched a mark on our genetics, warping immune responses, study finds (Ars Technica)How the Black Death changed our immune systems (Science)A Fluffy 'Marshmallow' World Has Been Discovered With Incredibly Low Density (ScienceAlert)'Marshmallow' world orbiting a cool red dwarf star (Phys.org)We’ve Found A ‘Marshmallow’ Planet That Would Float In A Bathtub, Say Scientists (Forbes)Ikea Is Testing Autonomous Delivery in Texas (Gizmodo)Ikea is trialing driverless truck deliveries in Texas (Engadget)IKEA teams with self-driving truck startup Kodiak Robotics to test deliveries in Texas (CNBC)Jackson Bird on TwitterSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.