Jun 27, 2025
In this Flashcard Friday episode, Gabrielle dives into the surprising history and science of sunblock. From ancient Egypt’s jasmine oils to modern SPF 50 sprays, discover how sunscreen evolved and why it’s one of the best defenses against deadly melanoma. Gabrielle shares the statistics on skin cancer, explains how...
Jun 24, 2025
Episode Overview
In this special re-release, we revisit the life and mind of Blaise Pascal, a mathematician, physicist, inventor, philosopher, and theologian who left a lasting impact on multiple disciplines. From his early genius in geometry to his pioneering work in probability theory, Pascal was a thinker who...
Jun 20, 2025
In this Flashcard Fridays episode of Math! Science! History! Gabrielle Birchak takes listeners on a journey aboard the HMS Beagle with a young, seasick Charles Darwin. This wasn’t just a travel story, it was a five-year working holiday that would ultimately change the course of science. Through field observations,...
Jun 17, 2025
Leonardo da Vinci is often remembered for the Mona Lisa and The Last Supper—but he was so much more than a painter. In this episode, we uncover the Renaissance icon’s groundbreaking work in engineering, anatomy, and invention, as well as explore the quieter truths of his personal identity.
We ask a...
Jun 13, 2025
Episode Overview:
Did people in antiquity ever go on vacation? The short answer is
yes—and the long answer is a fascinating journey through Roman
villas, Greek festivals, Byzantine retreats, Tang dynasty poetry,
and sacred pilgrimages. In this Flashcard Friday episode, Gabrielle
Birchak uncovers how the privileged,...