Glioblastomas are an extremely aggressive type of brain tumour, which is why the news this week of a vaccine that has shown promise in fighting them is so exciting. And this comes right off the back of the announcement of another trial of the world’s first personalised mRNA vaccine for melanoma, a kind of skin cancer. Ian Sample talks to Prof Alan Melcher...

Guardian Seascapes reporter Karen McVeigh tells Madeleine Finlay about a recent trip to the Galápagos Islands, where mounds of plastic waste are washing up and causing problems for endemic species. Tackling this kind of waste and the overproduction of plastic were the topics on the table in Ottawa this week, as countries met to negotiate a global plastics...

As bird flu is confirmed in 33 cattle herds across eight US states, Ian Sample talks to virologist Dr Ed Hutchinson of Glasgow University about why this development has taken scientists by surprise, and how prepared we are for the possibility it might start spreading among humans. Help support our independent journalism at theguardian.com/sciencepod

Labradors are known for being greedy dogs, and now scientists have come up with a theory about the genetic factors that might be behind their behaviour. Science correspondent and flat-coated retriever owner Nicola Davis visits Cambridge University to meet Dr Eleanor Raffan and Prof Giles Yeo to find out how understanding this pathway could help us treat...

Billed as a rival to the Olympic Games, the Enhanced Games, set to take place in 2025, is a sporting event with a difference; athletes will be allowed to dope. Ian Sample talks to chief sports writer Barney Ronay about where the idea came from and how it’s being sold as an anti-establishment underdog, and to Dr Peter Angell about what these usually...

What can sound tell us about nature loss? Guardian biodiversity reporter Phoebe Weston tells Madeleine Finlay about her visit to Monks Wood in Cambridgeshire, where ecologist Richard Broughton has witnessed the decline of the marsh tit population over 22 years, and has heard the impact on the wood’s soundscape. As species lose their habitats across...