In this episode of the Nature Podcast, we catch up on some science stories from the holiday period by diving into the Nature Briefing.We chat about: an extra-warm sweater inspired by polar bear fur; the fossil find revealing what a juvenile tyrannosaur liked to snack on; why scientists are struggling to open OSIRIS-REx’s sample container; how 2023 was a record for retractions; and how cats like to play fetch, sometimes.Nature News: Polar bear fur-inspired sweater is thinner than a down jacket — and just as warmScientific American: Tyrannosaur’s Stomach Contents Have Been Found for the First TimeNature News: ‘Head-scratcher’: first look at asteroid dust brought to Earth offers surprisesNature News: More than 10,000 research papers were retracted in 2023 — a new recordScientific American: Cats Play Fetch, Too—But Only on Their Own TermsSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.