Of all the renewable energy sources, the one most overlooked might be the one to save us all. New Yorker staff writer Rivka Galchen joins host Krys Boyd to discuss geothermal energy, which pulls energy from the ground. And while it’s been used successfully in volcanic hotspots, we’ll consider why, as of yet, the U.S. has declined to invest or even encourage its development. Her article is “Why the Time Has Finally Come for Geothermal Energy.” Learn about your ad choices: dovetail.prx.org/ad-choices

Neuroscientists have successfully altered memories in a lab, and yours could be next. Steve Ramirez, neuroscientist and associate professor of psychological and brain sciences at Boston University, joins host Krys Boyd to discuss how certain memories might be edited with pulses of light, what this means for people dealing with life-altering trauma, and how we figured out how to manipulate the mind. His book is “How to Change a Memory: One Neuroscientist’s Quest to Alter the Past.“ Learn about your ad choices: dovetail.prx.org/ad-choices

If the 9-to-5 grind gets you down, maybe it’s time to do more with your life. Rutger Bregman, historian and co-founder of The School for Moral Ambition, joins host Krys Boyd to discuss why so many people feel like their jobs don’t make a difference in the world and how we can instead use our talent and education to focus on the world’s biggest problems. His book is “Moral Ambition: Stop Wasting Your Talent and Start Making a Difference.” Learn about your ad choices: dovetail.prx.org/ad-choices

The phrase “Black girl magic” has deep roots in enslaved women’s lives. Lindsey Stewart is associate professor of philosophy at the University of Memphis, and she joins host Krys Boyd to discuss the medicine that stemmed from African traditions that was often more trusted than white doctors’ advice, how this magic was passed down through generations, and how it endures today. Her book is “The Conjuring of America: Mojos, Mermaids, Medicine, and 400 Years of Black Women’s Magic.” Learn about your ad choices: dovetail.prx.org/ad-choices

“By Jove, I think I’ve got it!” A-ha moments can feel electrifying, but where do these bursts of insight come from? John Kounios is professor in the Department of Psychological and Brain Sciences and director of the Creativity Research Lab at Drexel University. He joins host Krys Boyd to discuss what scientists understand about how the brain solves problems – and how we might tap into this phenomenon more often. His article “The Brain Science of Elusive ‘Aha! Moments’” was published in Scientific American. Learn about your ad choices: dovetail.prx.org/ad-choices

The English language is full of words that both communicate and confound. Martha Barnette, co-host of the popular radio show and podcast “A Way with Words,” joins host Krys Boyd to discuss her love of language and all the myriad ways words bring us joy, how words can surprise and delight us, and why the meaning of some words can often be tricky to determine. Her book is “Friends with Words: Adventures in Languageland.” Learn about your ad choices: dovetail.prx.org/ad-choices

Acing that Mensa test might not be the definite sign of genius you think it is. Helen Lewis is a staff writer at The Atlantic and host of the BBC podcast series “The New Gurus” and “Helen Lewis Has Left the Chat”. She joins host Krys Boyd to discuss why the very idea of “genius” is a social construct, why the label excludes as much as it includes, and why it’s time to look at creativity in a new way. Her book is “The Genius Myth: A Curious History of a Dangerous Idea.” Learn about your ad choices: dovetail.prx.org/ad-choices

The brain operates all of our thoughts, feelings and movements — and it also helps us adjust to a rapidly changing environment. This hour, host Krys Boyd is joined by three guests who will explain how we can regain our ability to focus and tame our overactive minds – plus we’ll learn all about the growing research into the many ways listening to music benefits our brains. Learn about your ad choices: dovetail.prx.org/ad-choices

For many, “The Great British Bakeoff” is must-see TV – and watching it has taught us a lot about food. Ruby Tandoh is a journalist who was also a finalist on the show, and she joins host Krys Boyd to discuss how everyone is a “foodie” now, why hard-to-find ingredients are all the rage even in the Average Joe’s kitchen, and how unlimited access to recipes online has made us more discerning. Her book is “All Consuming: Why We Eat the Way We Eat Now.” Learn about your ad choices: dovetail.prx.org/ad-choices

Happiness may feel elusive, but there are some proven strategies to get you there. Arthur C. Brooks is Parker Gilbert Montgomery Professor at the Harvard Kennedy School and a professor of management practice at Harvard Business School. He is also a columnist at The Atlantic, where he writes the weekly “How to Build a Life” column. He joins host Krys Boyd to discuss a compendium of his columns about the pursuit of happiness, how we can conquer our worries, and when it’s time to stop pursuing perfection. His book is “The Happiness Files: Insights on Work and Life.” Learn about your ad choices: dovetail.prx.org/ad-choices

Our genes don’t really determine how well we’ll age in later life — and that’s good news. Dr. Eric Topol is executive vice president and a professor of molecular medicine at Scripps Research, the largest nonprofit biomedical institute in the United States. He’s also a practicing cardiologist, and he joins host Krys Boyd to discuss the study of what he calls the “wellderly” – those people who age to 80 without chronic disease – and the findings that he says can help us all reach that milestone. His book is “Super Agers: An Evidence-Based Approach to Longevity.” Learn about your ad choices: dovetail.prx.org/ad-choices

Sleep tracking technology can tell you how long you slumbered, but it can’t get you there. Jennifer Senior, staff writer at The Atlantic, joins host Krys Boyd to discuss sleep anxiety, why we find it so hard to get a good night’s rest, and why hunting for the best how-to articles on the topic might be making things worse. Her article is “Why Can’t Americans Sleep?” Learn about your ad choices: dovetail.prx.org/ad-choices