Twenty-five years after the success of “The Tipping Point,” Malcolm Gladwell is back with new insights. The author and co-founder of Pushkin Industries joins host Krys Boyd to discuss new anecdotes from social science that help explain the world around us – and to update the theory of contagion for our modern world. His book is “Revenge of the Tipping Point: Overstories, Superspreaders, and the Rise of Social Engineering.”

 For scientists to solve the mysteries of the ocean, they need to start with questions like “how do fish float?” Duke University biology professor Sönke Johnsen joins host Krys Boyd to discuss the wonders of vertical migration, why sharks must keep swimming to stay alive, and the clues offered to biologists that help piece together the questions of aquatic life evolution. His book is “Into the Great Wide Ocean: Life in the Least Known Habitat on Earth.” 

President-Elect Trump has tapped Robert F. Kennedy Jr. to lead the Health and Human Services department with promises that dismay many public health officials. Yasmin Tayag, staff writer at The Atlantic, joins host Krys Boyd to discuss RFK Jr’s strategy to “Make America Healthy Again,” his distain for everything from vaccines to fluoride to processed foods – and his approach to managing a $1.7-trillion agency. Her article is “‘Make America Healthy Again’ Sounds Good Until You Start Asking Questions.”

Of the states that just passed measures protecting abortion, a majority of them also delivered their Electoral College votes to Donald Trump. New York Times Magazine staff writer Emily Bazelon joins host Krys Boyd to discuss why Democrats’ call to restore reproductive rights didn’t bring voters to their side, how Trump has been inconsistent in his messaging about the issue, and what this signals for efforts to keep abortion legal in America. Her article is “America’s Split Screen on Abortion.”

Despite hard evidence that they work, school voucher programs are still gaining steam. Josh Cowen, professor of education policy at Michigan State University, joins host Krys Boyd to discuss why “school choice” is such a hot-button issue, the influential people behind its growth, and why this push is signaling distrust of public schools. His book is “The Privateers: How Billionaires Created a Culture War and Sold School Vouchers.”

The truly walkable city seems like something only small European cities can obtain, but urban planners have grand plans. Natalie Whittle is a contributor to the Financial Times, and she joins host Krys Boyd to discuss the idea of the 15-minute city, where cars aren’t necessary, bikes abound, and all amenities are a short walk away. Her book is “Shrink the City: The 15-Minute Urban Experiment and the Cities of the Future.”

As Thanksgiving’s heaping helpings loom, it might be good to remember both obesity and food waste are linked to your plate’s portions. Hank Cardello is Chair of the Portion Balance Coalition and executive director of the Leadership Solutions for Health + Prosperity program at Georgetown University’s Business for Impact. He joins host Krys Boyd to discuss how restaurant meals and prepared foods have doubled in size since the 1970s – and why cutting them back down would be good for the planet and people. His research paper on the topic is called “The Power of Portions.”

The election might have been won or lost on the price of eggs, but beyond inflation, there are other reasons your grocery bill is so high. Jesse Newman is a reporter for The Wall Street Journal, and she joins host Krys Boyd to discuss the middleman between producers and supermarket shelves – grocery distribution companies – the razor-thin margins the industry operates on even as prices rise for the consumer, and how everything we eat is brokered by these distributors. Her article is “The Mysterious Fees Inflating Your Grocery Bill.”

 The process to be officially considered Native American, can be complicated – and heartbreaking for those who identify but don’t qualify. Carrie Lowry Schuettpelz is an enrolled member of the Lumbee Tribe of North Carolina who spent seven years working in the Obama Administration on issues of homelessness and Native policy. She joins host Krys Boyd to discuss why tribal membership is so difficult to achieve, why thousands of acknowledged tribes each have their own enrollment criteria, and what it means to win that recognition. Her book is called “The Indian Card: Who Gets to Be Native in America.”