How do scientists know how old the Earth is?

Helium is the only truly non-renewable resource, and it's essential for things like MRI machines and nuclear reactors, but should we be worried? And, we turn air into food, so why can’t we get carbon to leave the atmosphere – or helium to stay? In this episode, Cosmos Science Jou ...  Show more

Are you ready to Roomba? Since its launch, more than 40 million autonomous vacuums have made their way into people’s homes, and often – as the research reveals – into people’s hearts.See omnystudio.com/listener for privacy information. 

As the COP27 environment summit draws to a close we look at some of the issues still to be resolved. BBC Environment correspondents Victoria Gill and Georgina Rannard join us from the meeting. And we head to the houses of parliament in the company of a group of teenagers who are ...  Show more

In this episode, Robert and Julie interview astrophysicist Neil deGrasse Tyson. What does the planet's leading science communicator have to say about the future of space travel, mind-blowing cosmology and the science in America? Listen in to find out.

On this week’s show: What we can learn from two supermassive black holes that appear to be on a collision course with each other, and the brave new online world in which social media dominates and gatekeeps public access to scientific information First up, Staff Writer Daniel Cle ...  Show more

The Royal Society is the oldest scientific academy in the world. Since being established in 1660, it has painstakingly archived thousands of papers, letters, manuscripts and illustrations from some of science’s most enquiring minds.In this episode, Victoria Gill takes a trip to t ...  Show more