Interview: is evolution predictable?

In his new book Improbable Destinies, Jonathan Losos explores whether evolution is predictable and why adaptations converge - he talks to us about the fate of the dinosaurs, alien life and whether humans are really the peak of evolution.

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Interview: Tim Peake - Down to Earth

A year ago, Major Tim Peake blasted off to spend half a year aboard the International Space Station. Now, six months after his return to Earth, he chats to us about his experiences in space.