74. Getting Our Hands Dirty

Frances Arnold pioneered the process of directed evolution — mimicking natural selection to create new enzymes that have changed everything from agriculture to laundry. SOURCES:Frances Arnold, professor of chemistry at the California Institute of Technology. RESOURCES: "Innovatio ... Show More

Steven Pinker’s new book argues that all our relationships depend on shared assumptions and “recursive mentalizing” — our constant efforts to understand what other people are thinking. He and Steve talk about the psychology of eye contact, the particular value of Super Bowl ads, ... Show More

The Power of Habit author Charles Duhigg wrote his new book in an attempt to learn how to communicate better. Steve shares how the book helped him understand his own conversational weaknesses. SOURCES:Charles Duhigg, journalist and author. RESOURCES:Supercommunicators: How to Unl ... Show More

From our planet's underwater caves to its ancient soils, there are entire worlds right beneath our feet. This hour, we explore the subterranean forces that shape our lives above the ground. Guests include cave diver Jill Heinerth, death care advocate Katrina Spade, soil scientist ... Show More

It's easy to overlook the soil beneath our feet, or to think of it as just dirt to be cleaned up. But soil wraps the world in an envelope of life: It grows our food, regulates the climate and makes the planet habitable. "What stands between life and lifelessness on our planet Ear ... Show More

Storm Daniel devastated the city of Derna in Libya after heavy rainfall broke a dam, causing extreme flooding downstream. The World Weather Attribution (WWA) reports that severe flooding in Libya and across the Mediterranean has been made more likely and more intense due to human ... Show More

Original broadcast date: March 11, 2022. From our planet's underwater caves to its ancient soils, there are entire worlds right beneath our feet. This hour, we explore the subterranean forces that shape our lives above the ground. Guests include cave diver Jill Heinerth, death ca ... Show More

There is almost nothing more important to understand about people than intelligence. It can be measured more accurately than anything else in the social sciences. It differs tremendously and importantly between individuals. It is the single most important determinant of life succ ... Show More

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

Last week NASA’s Osiris-Rex mission successfully touched down on asteroid Bennu’s crumbly surface. But the spacecraft collected so much material that the canister wouldn’t close. NASA systems engineer Estelle Church tells Roland Pease how she and the team back on Earth performed ... Show More

UK Prime Minister Rishi Sunak gave a hastily arranged press conference this week in which he confirmed he would be rowing back on some previously made government commitments regarding net zero - the point at which we remove as much carbon from the atmosphere as we put in. The rea ... Show More

Most of us don’t like to dwell on our toilet habits, but this week Crowdscience has gone down the drain to discover what wastewater can tell us about our health. It’s been more than a year since scientists across the globe started to track the spread of Covid-19, with help from h ... Show More