Prof Sanjeev Gupta

In this conversation, Mike Marshall, a science writer discussing Roman history, unveils surprising evidence that the withdrawal of the Romans from Britain wasn't as catastrophic as once thought; instead, it may have sparked a metalworking boom. Meanwhile, Sanjeev Gupta, an extraterrestrial geologist, shares thrilling insights from NASA's latest findings on Mars, suggesting signs of past microbial life. They also explore the fascinating link between weightlifting and gut health, revealing how exercise can boost beneficial bacteria in our microbiome.

Join Katie Stack Morgan, project scientist for NASA's Perseverance rover, and Sanjeev Gupta, planetary geologist, as they dive into the thrilling discovery of a potential biosignature on Mars. They discuss the significance of the Sapphire Canyon findings and the complex geology of the 'spotty rocks.' Oliver Morton offers insights into the challenges of bringing samples back to Earth, including funding hurdles and political intrigues. The conversation unpacks how this discovery could reshape our understanding of life beyond Earth!

Prof Sanjeev Gupta, a geologist at Imperial College, was instrumental in the Mars rover missions, and Kelly Weinersmith is an acclaimed biologist and author of the award-winning book 'A City on Mars.' They explore the ancient Martian landscapes and the harsh realities of life on the red planet. While discussing human settlement, they highlight extreme conditions, from thin atmosphere to psychological challenges. Ethical implications of corporate governance in space colonization are also examined, raising critical questions about life on Mars.