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Kyne Santos was a student at the University of Waterloo when she began her math and her drag careers. She compares her double life to Hannah Montana, doing math equations at school by day and drag at night. You may already know Kyne from TikTok, where she makes educational videos about math, science, history and drag. And now, in her new book Math in Drag, Kyne explores the connections between math and drag: How both can be creative, beautiful and most of all, fun.

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June 6, 1944 the Allied Forces stormed the beaches of Normandy and took the Nazis by surprise in the largest sea-to-land invasion in history. This would be remembered as D-Day and would ultimately lead to the end of World War II in Europe. However, this planned attack wouldn't have been possible without deep knowledge of ocean tides! We get into the whole story, including why tides sit at the intersection of astronomy and marine ecology — and why understanding tides are key to a greener future.

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People with post-traumatic stress disorder (PTSD) may soon have a new treatment option: MDMA, the chemical found in ecstasy. In August, the Food and Drug Administration plans to decide whether MDMA-assisted therapy for PTSD will be approved for market based on years of research. But serious allegations of research misconduct may derail the approval timeline.

NPR science reporter Will Stone talks to host Emily Kwong about the clinical trials on MDMA-assisted therapy research and a recent report questioning the validity of the results.

Read Will's full story here.

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A silky shark named Genie traveled from the Galapagos Islands out to the open ocean and back – over 17,000 miles – over the course of a year and a half. That's an average of 31 miles per day, making Genie's journey the longest recorded migration for a silky shark.

Marine scientist Pelayo Salinas de León and his team named Genie in honor of the late marine biologist Eugenie Clark – also known as "The Shark Lady." She devoted her life to the study of sharks and to improving their reputation.

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Humans rely on our symbiotic relationship with good microbes—in the gut, the skin and ... the vagina. Fatima Aysha Hussain studies what makes a healthy vaginal microbiome. She talks to host Emily Kwong about her long-term transplant study that asks the question: Can one vagina help another through a microbe donation?

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Each year 84,000 people in the U.S. are diagnosed with melanoma. About 90% of these skin cancers are linked to the ultraviolet radiation from the sun. Sunscreen does protect the skin, but dermatologists have found six very common mistakes people make when it comes to using it. NPR science correspondent Allison Aubrey talks to host Regina G. Barber about the science behind sunscreen and how to avoid making these mistakes this summer. They also get into which sunscreens may be better than others.

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