Science Weekly

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

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 labrador 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 the obesity crisis in humans

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 banned substances are, and what they could do to athletes’ bodies

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

The European Court of Human Rights has ruled that Switzerland’s weak climate policy had violated the rights of a group of older Swiss women to family life. Ian Sample and Ajit Niranjan discuss why the women brought the case and what the ruling could mean for climate policy