Season 3, Episode 5: Frozen in Time

In this season 4 finale, Gentry Lee and Rob Manning reveal how surprises, hidden flaws, and uncertainties have always been a part of rovers and the exploration of Mars. 

Aaron Yazzie and others explain how, by scooping dirt and drilling rocks, rovers are digging deeper into the mysteries of Mars. 

An extended bonus episode of the podcast, where we learn more about proposals to slow the rate of ice loss in Greenland - and if it works, in Antarctica - using a local form of geoengineering.  Host Rowan Hooper speaks to glaciologist John Moore and environmental social scientist ...  Show more

Record-breaking global temperatures are accelerating Greenland ice melt at an alarming rate. Professor of glaciology Alun Hubbard has witnessed the melt first hand. He tells us how the ice sheet is being destabilised and what this could mean on a human level. Also, how safe are J ...  Show more

Greenland is an island covered in a sheet of ice that is over 3km thick in places, containing 7.4 metres of average global sea level rise. Due to climate change, it’s melting at an astonishing rate. We meet some of the people being forced to rapidly adapt their traditional ways o ...  Show more

Pull on an extra layer and stay toasty whilst Science in Action braces for a deep freeze. Whilst we know plenty about the ice on the Earth’s poles, Roland is on a chilling journey to see what can be found in deep space. Professor Christoph Salzmann and Professor Andrea Sella at U ...  Show more