The Crayola Crayon Story

Starting in 1755, the French-speaking Acadians were expelled from what’s now the Maritime provinces of Canada and northern Maine, with many of them eventually winding up in Louisiana. But there's much...

11 Aug 202144min

Torricelli was born in the middle of a heady few decades when the lives and work of people like Galileo and Johannes Kepler were changing humankind’s understanding of the world and the heavens. Someti...

9 Aug 202133min

Back in 2017 with the "Great American Eclipse" everywhere in the news, we walked through some of the famous eclipses in history, all while wearing proper eye shielding. Learn more about your ad-choic...

7 Aug 202125min

Tracy and Holly discuss the surprising lack of biographical writing about Annie Jump Cannon. In contrast, they cover how much effort has been made to uncover and write about the real story of Mildred ...

6 Aug 202116min

Mildred Fish-Harnack was a woman from Wisconsin who found herself at the center of a resistance group in Germany working to undermine the Nazis. But her secrecy in this work enabled both Germany and t...

4 Aug 202131min

Annie Jump Cannon has been described as doing for stars what Carl Linnaeus did for organisms. She compiled a massive star catalogue, and became known both as the most famous woman astronomer of her li...

2 Aug 202138min

This 2018 episode covers Leeuwenhoek, who wasn't REALLY a scientist -- he had no formal training. But he made dozens of scientific discoveries. He's credited with discovering microscopic life in a var...

31 Juli 202125min

Tracy and Holly discuss how much Tracy loves working on the Unearthed! shows, and how they both feel about library fines. They also talk about the Egyptian mummy parade, and misreads of what a histori...

30 Juli 202111min