Why do we use fluoride on our teeth?

Birds fly all the time. We see it constantly. But how does it actually work? Is it just "Bernoulli’s" principle? Is the air pushing up? Are the wings pushing down? And what’s happening at the molecular level when a bird takes off? Let’s talk about feathers, airflow, collisions be ...  عرض المزيد

In this bonus episode, we host a rematch of our game “Fun Fact or Fake Factoid” with Claire and Jam, using stricter rules: each claim must be entirely true or false as worded, and the winner earns a treat. We test statements about pregnancy-related brain changes, koala fingerprin ...  عرض المزيد

From The Simpsons’ Big Book of British Smiles to Austin Powers’ ochre-tinged grin, American culture can’t stop bad-mouthing English teeth. But why? Are they worse than any other nation’s? June Thomas drills down into the origins of the stereotype, and discovers that the different ...  عرض المزيد

On this episode: Jamilah Lemieux and Zak Rosen are joined by Willa Paskin, host of Slate’s Decoder Ring. The three talk about the beauty of weird little rituals, and help a listener through her ick of tooth fairy-ing. Listen to Decoder Ring’s episode: Who Owns the Tooth Fairy?Jam ...  عرض المزيد

Over the course of millions of years, human voices have evolved to hold startling power. These clouds of vibrating air carry crucial information about who we are–and we rely on them to push ourselves up and out into the physical world.

This week, we’re on a journey to un ...

Funding cuts and research censorship have shaken the foundations of America’s health and science agencies, leaving researchers shocked, confused, and afraid. In this episode of Unexplainable, we ask, what does this mean for the future of science? This episode was hosted and produ ...  عرض المزيد