Author Clint Smith explains why Juneteenth isn't taught in schools and how that contributes to distorted views of slavery. And, valedictorian Verda Tetteh won a $40,000 scholarship at her high school graduation. Then, she headed back to the podium and announced that she would prefer that a student in greater need receive the scholarship instead. Tetteh joins us.

A fragment of the original Pride flag has been discovered and is now on display in San Francisco. We talk with Charles Beal, a friend of the flag's creator. And, 10 Black cultural centers and museums are releasing their collaborative movie "Juneteenth." Asia Harris and Tiffany Cooper, who worked on the film, join us.

Patrick Bryant's radio show "Subject to Change" covers the same song for two hours. He joins us to discuss his latest pick "I Just Don't Know What to Do With Myself." And, state legislatures from multiple states have recently taken up bills that address sex education in schools. Oregon OB-GYN Dr. Jennifer Lincoln and sex educator KC Slack weigh in.

A new treatment could be a game changer for some patients with tumor-based cancers. It's a simple blood test that shows recurrence of cancer months before it can appear on MRIs, CT scans and X-rays. We speak to a doctor and a patient using the test. And, we speak with the executive director of the National Association of School Resource Officers, about the strengths and weaknesses of school policing.

NPR TV critic Eric Deggans discusses the end of an era after "Keeping Up With The Kardashians" aired its final episode. And, NYC's Drama Book Shop shut down prior to the pandemic and was then saved by Lin-Manuel Miranda and his often-collaborator Thomas Kail. NPR's Jeff Lunden reports on the store's long-awaited reopening.

After World War II, veteran Charles Waterhouse made it his mission to honor his fellow Marines by painting their portraits. His daughter Jane Waterhouse joins us to discuss publishing his art in the book "Valor in Action." And, the Boyce Thompson Arboretum, Arizona's oldest and largest botanical garden, was saved Monday from the Telegraph Fire after firefighters dropped flame retardant from an air tanker. The arboretum's executive director talks about the rescue.

When gyms closed last year, millions of Americans went online to keep fit during the pandemic. Marc Santa Maria, national director of group fitness for Crunch Fitness, discusses the future of the fitness industry. And, the company behind the Keystone XL pipeline announced it's terminating the project after more than a decade of fighting. Larry Wright Jr, chairman of Nebraska's Ponca Tribe, shares his reaction.

There's excitement — and controversy — surrounding Biogen's new Alzheimer's drug. What are doctors saying? Dr. Jason Karlawish and Dr. Gayatri Devi discuss the drug's promise and peril. And, ProPublica revealed a trove of tax records showing the megarich pay next to nothing in income taxes. Robert McClelland of the Urban-Brookings Tax Policy Center weighs in.

"The Secret History of Home Economics" author Danielle Dreilinger discusses how home economics classes gave women career opportunities in science. And, very few people will be able to catch the annular solar eclipse on June 10. Sky & Telescope senior editor Kelly Beatty explains how to see it and what it'll look like.

In 2012, then-Vice President Joe Biden became the highest-ranking Democrat to support marriage equality. Author Sasha Issenberg explains the evolution of Biden's position on LGBTQ rights. And, when Maryland psychotherapist Kerry Malawista noticed frontline health care workers struggling with the pandemic and deaths, she started a writing program to help them cope. She joins us to discuss.