Rat eradication; elephant talk; the rise of the dinosaurs; physics of snooker

On the remote island of South Georgia, the invasion of rats from passing ships has wreaked havoc on the local wildlife. But the South Georgia Heritage Trust announced this week that all rats have been eradicated thanks to an extensive project. Adam Rutherford speaks to chairman Professor Mike Richardson about the achievement and how the wildlife is already healing.

Elephants don’t only communicate using their trunks but also their feet. A new study taps into this underground communication using seismic... Keyingisi