After the first pig-human transplant patient died just 2 months after receiving his new heart, researchers are now testing modified pig hearts by transplanting them into recently deceased people on life support. The team discusses a new experiment which has shown very promising results.NASA has revealed stunning images of deep-space captured by the James Webb Space Telescope - and there’s so much more to come. The team explains how the telescope is like a time machine, helping us to peer back into the early history of the universe.Much of the information our eyes take in is discarded by the brain. The team discusses a new technique called ‘ghost imaging’ which is using AI to reconstruct those lost images by interacting directly with our brain.Wheat hasn’t yet reached its genetic potential. The team finds out how genetically tweaking this vital crop could improve yields globally, and help it to withstand the impacts of climate change.Covid-19 is impacting fertility through its impacts on sperm - yet another thing we’re finding out about the disease. The team finds out what’s going on, and how long-lasting these effects are.On the pod are Rowan Hooper, Penny Sarchet, Jacob Aron, Karmela Padavic-Callaghan, Grace Wade and Carissa Wong. To read about these stories and much more, subscribe at newscientist.com/podcasts.Events and discount codes:InsideTracker: insidetracker.com/NewScientistHow We’re Wired from The Bertarelli FoundationOnline event: newscientist.com/beinghuman20% Discount: newscientist.com/pod20 Our GDPR privacy policy was updated on August 8, 2022. Visit acast.com/privacy for more information.