Big Unanswered Questions in Biology

Ian Sample joins Madeleine Finlay to discuss some of the most intriguing science stories from the week. They discuss the complicated legacy of James Watson, who won the Nobel Prize for the discovery of the structure of DNA; a new breakthrough in the quest to understand the autoimmune disease lupus; and why everyone from Joe Rogan to Kim Kardashian is talking about comet 3I/Atlas.. Help support our independent journalism at theguardian.com/sciencepod