23 Sep 2020
Covid super-spreader events, Martian houses and IgNobels
Science commentator Siouxsie Wiles joins Kathryn to talk about the latest Covid studies, including one into super-spreading events. Researchers have figured out how houses could be made on Mars from a common biological substance called chitin. And it's IgNobel time - Siouxsie looks at some of her favourites.