The Times They Are a-Changin'

As she -- and her friends — approached the age of 35, senior correspondent Molly Webster kept hearing a phrase over and over: “fertility cliff.” It was a short-hand term to describe what she was told would happen to her fertility after she turned 35 — that is, it would drop off. ...  عرض المزيد

The standard view of evolution is that living things are shaped by cold-hearted competition. And there is no doubt that today's plants and animals carry the genetic legacy of ancestors who fought fiercely to survive and reproduce. But in this hour that we first broadcast back in ...  عرض المزيد

What happens when a real-life astronaut turns to fiction? In this episode, Chris Hadfield shares how decades of spaceflight and global diplomacy inspired his latest novel, Final Orbit, a cold war thriller packed with historical intrigue and technical precision. Host Rachel Feltma ...  عرض المزيد

Gazing up at the night sky is a universal human experience, likely as old as our species itself. But how did our ancient ancestors feel about what they saw in the heavens, and how did it shape their lives? In Episode Two of our three-part Fascination miniseries on unusual archaeo ...  عرض المزيد

A paper published by the Centers for Disease Control and Prevention argues that Chagas disease is now endemic in the U.S. Koalas may finally be spared from a deadly epidemic. Meanwhile NASA’s Perseverance Mars rover has uncovered tantalizing clues about potential ancient microbia ...  عرض المزيد

This time Dr Becky Smethurst and Izzie Clarke discover why it’s touch and go when it comes to returning asteroid samples to Earth and hear how we’ve been exchanging spit with Mars since the dawn of the Solar System. The team is joined by Dr Sara Russell, a meteorite researcher at ...  عرض المزيد