
Behind the Scenes Minis: Aspirin and Lalibela
On this casual Friday chat, Tracy and Holly share their thoughts on the history of aspirin, as well as the amazing churches carved from stone in Ethiopia. Learn more about your ad-choices at https://...
27 Joulu 201910min

Ethiopia's Rock-hewn Churches of Lalibela
The complex at Lalibela was excavated from volcanic rock about 700 years ago, and has been in continuous use since then. It's connected to the overall history of Christianity in Ethiopia -- different ...
25 Joulu 201935min

Holiday Bonus! NORAD Tracking Santa: A Cold War History
Just a little Christmas Eve cheer for our listeners as everyone keeps an eye out for Santa! It's our 2017 episode about how NORAD started tracking Santa. There’s some myth-busting here, and maybe the ...
24 Joulu 201932min

The Invention of Aspirin
From its natural base substance, salicin, to the invention of its synthetic derivative form that we still use, the story of aspirin has its own controversy and conflict, including whether the proper c...
23 Joulu 201929min

SYMHC Classics: Not Ned - Bushrangers in Later Years
This 2011 episode from previous hosts Sarah and Deblina continues the bushranger discussion. After 1853, many bushrangers were native-born. Ben Hall seemed on track for a peaceful life until two wrong...
21 Joulu 201917min

Behind the Scenes Minis: Chien-Shiung Wu and Helium
It's easy to marvel at the work of scientists, both in terms of the scientific concepts themselves and in the ways scientists behave. Both of those things, as well as foreign language verb tense, feat...
20 Joulu 201911min

The Discovery of Helium
Helium and humankind's understanding of it sits at the earliest intersection of astronomy and chemistry. The story of its discovery also features two scientists who were working on similar ideas concu...
18 Joulu 201930min

Chien-Shiung Wu, First Lady of Physics
She was one of the greatest experimental physicists of her era, publishing influential papers before she was even out of graduate school. She made multiple major contributions to the field during her ...
16 Joulu 201931min





















