Laundry Detergent | Can't Sleep? Learn About the Chemistry Keeping Your Clothes Clean

The Sun is a 4.6-billion-year-old star that quietly keeps nearly everything on Earth in business. This episode explores how the Sun formed, what happens inside its intensely hot core, how nuclear fusi...

9 Nov 36min

Kites have crossed borders, centuries, and cultures with little more than wind and a very long piece of string. This episode explores the history of kite flying, how kites stay in the air, and the man...

6 Nov 33min

Planets come in an impressive variety of sizes, temperatures, and compositions. This episode explores what makes a planet a planet, how planets form, and the different types of worlds found throughout...

4 Nov 36min

Owls have been fascinating humans for thousands of years, which is probably what happens when a bird can fly almost silently and turn its head much farther than seems reasonable. This episode explores...

2 Nov 33min

Banff National Park is a landscape of towering mountains, turquoise lakes, glaciers, forests, and winding valleys in the heart of the Canadian Rockies. This episode explores the park’s geography, wild...

30 Okt 33min

Lakes can form in some surprisingly dramatic ways for bodies of water that mostly just sit there. In this episode, you’ll hear how glaciers, shifting tectonic plates, and volcanic activity create lake...

28 Okt 30min

Alpacas have spent thousands of years turning harsh Andean landscapes into a surprisingly successful place to be fluffy. In this episode, you’ll explore the history and domestication of alpacas, thei...

26 Okt 29min

Castles were built to project power, control territory, and make attacking the people inside considerably more inconvenient. This episode explores how castles developed, how their walls, towers, gates...

23 Okt 34min