Science commentator Dr Siouxsie Wiles joins Kathryn to look at the new study that's examined the brains of people who'd had a Covid infection and found a worrying reduction in the size of their grey matter in the areas responsible for memory and smell.
And tuatara were famous for being large lizards that are the only surviving member of the order Sphenodontia - but a closer look at a fossil languishing in a collection at Harvard University has also found to be an ancient species dating back 190 million years.
What can this discovery tell us about its New Zealand relative?
Photo: Otago University/123RF
