If the definition of “green” is yellow plus blue, how do you define “yellow” and “blue”? Kory Stamper is a lexicographer who has written dictionaries for nearly 30 years at Merriam-Webster, Cambridge Dictionaries and Dictionary.com. She joins host Krys Boyd to discuss the difficulty of defining colors, why they are nearly indescribable, and why it took the help of scientists to create descriptions of everything around us. Her book is “True Color: The Strange and Spectacular Quest to Define Color – from Azure to Zinc Pink.” Learn about your ad choices: dovetail.prx.org/ad-choices

Even in our darkest moments, we can build the skills to keep our spirits up. Deepika Chopra is a psychologist, visual imagery expert and founder of Things Are Looking Up, a consultancy devoted to the intersection of science and soul. She joins host Krys Boyd to discuss how to develop optimism, how it’s a key to optimal health, and why this isn’t about toxic positivity. Her book is “The Power of Real Optimism: A Practical, Science-Based Guide to Staying Resilient, Curious, and Open Even When Life Is Hard.” Learn about your ad choices: dovetail.prx.org/ad-choices

Nobody enjoys paying taxes, but how would our nation function without them? Vanessa S. Williamson is a senior fellow in Governance Studies at Brookings and a senior fellow at the Urban-Brookings Tax Policy Center. She joins host Krys Boyd to discuss the history of taxation in this country, why your hard-earned tax dollars are critical to a functioning democracy, and why low taxes might mean lower interest in getting your civic needs met. Her book is “The Price of Democracy: The Revolutionary Power of Taxation in American History.” Learn about your ad choices: dovetail.prx.org/ad-choices

There’s got to be a happy medium between free-range parenting and helicoptering. Simon Lewsen writes for Maclean’s, Toronto Life and Report on Business, and he teaches at the University of Toronto. He joins host Krys Boyd to discuss the courage parents must drum up to allow children to have age-appropriate autonomy – when they learn independence and problem-solving skills – and also where to draw the line on that freedom. His article “Is It Dangerous to Let Kids Be Free?” was published by The Walrus. Learn about your ad choices: dovetail.prx.org/ad-choices

Constitutional law is a different animal than civil or criminal law — and a president can subvert it. Duncan Hosie is a fellow at Stanford Law School, and he joins host Krys Boyd to discuss why the judicial branch shouldn’t be the end game for dealing with a president’s executive orders, why the legislative branch needs to get more involved, and why hoping that the Supreme Court will definitively decide hot-button issues is a mistake. His article in The New York Times is “The Courts Cannot Save Us from Trump.” Learn about your ad choices: dovetail.prx.org/ad-choices

Screen time and junk food offer dopamine hits — and our kids are not immune. Michaeleen Doucleff reports on children’s health for NPR’s science desk, and she joins guest host Courtney Collins to discuss misconceptions about dopamine, why it’s making kids lonely and anxious, and ways to introduce healthier habits into your family’s lifestyle. Her book is “Dopamine Kids: A Science-Based Plan to Rewire Your Child’s Brain and Take Back Your Family in the Age of Screens and Ultraprocessed Foods.” Learn about your ad choices: dovetail.prx.org/ad-choices

Social security benefits help children and spouses survive after a death — but accessing them is a Sisyphean task. Chabeli Carrazana, The 19th’s economy and childcare reporter, joins host Krys Boyd to discuss how DOGE gutted the Social Security Administration so there’s not enough staff to process claims, the hours on hold families must wait and how women and children are impacted disproportionately by these failures. Her article is “Widows are waiting months for the benefits meant to help them after loss.” Learn about your ad choices: dovetail.prx.org/ad-choices

Dutch teens with mental illness can choose to end their lives though euthanasia. Charles Lane, nonresident senior fellow at the American Enterprise Institute, joins host Krys Boyd to discuss how the Netherlands came to the decision to grant assisted suicide to teenagers with parental approval, what makes a mental illness diagnosis so controversial for this method of dying and to discuss a doctor who says granting these requests is the moral option. His article “When Mentally Ill Teenagers Ask to Be Put to Death” was published in The Atlantic. Learn about your ad choices: dovetail.prx.org/ad-choices

The U.S. has conducted military operations in Venezuela and Iran – will Cuba be next on the list? Jon Lee Anderson, staff writer at The New Yorker, joins host Krys Boyd to discuss why Cuba was declared a threat to U.S. national security, the dire situation of its citizens now that the island nation has been cut off from supplies, and how this all compares to 1962’s Cuban Missile Crisis. His article is “Is Cuba Next?” Learn about your ad choices: dovetail.prx.org/ad-choices

Life-saving advancements have come a long way, but engineering artificial blood has been a challenge. Nicola Twilley is a New Yorker contributor and co-host of the podcast Gastropod. She talks to Krys Boyd about the breakthroughs — and setbacks — in the quest for artificial blood, why it’s needed more than ever, and why eyes are on Big Pharma to finance it. Her article is “The Long Quest for Artificial Blood.” Learn about your ad choices: dovetail.prx.org/ad-choices