Seven Wonders of the World | Can't Sleep? Learn About the Greatest Feats of the Ancient World

French fries are one of the world’s most recognizable foods, enjoyed everywhere from neighborhood diners to restaurants and street vendors around the globe. This episode explores the debated origins o...

20 Jul 32min

The International Space Station has been continuously inhabited since the year 2000, serving as a laboratory, home, and engineering marvel orbiting hundreds of miles above Earth. This episode explores...

17 Jul 33min

Tutankhamun ruled ancient Egypt for only a short time, yet he became one of the most famous pharaohs in history. This episode explores the story of King Tut, from his place in Egypt’s royal dynasty to...

15 Jul 30min

Violas have long occupied the middle voice of the string family, bridging the bright sound of the violin and the rich depth of the cello. This episode explores how violas developed, what gives them th...

13 Jul 32min

Airliners have transformed the way people travel, making it possible to cross continents and oceans in a matter of hours. This episode explores the history of commercial aviation, how airliners evolve...

10 Jul 30min

Otters are found in rivers, lakes, coastlines, and oceans across much of the world. This episode explores how otters are adapted for life in the water, where they live, how they move through their env...

8 Jul 32min

Flags have served as symbols of identity, communication, and history for thousands of years. This episode explores how flags developed from military standards into national symbols, why they use parti...

6 Jul 31min

The Oregon Trail was more than a single path across the American West. This episode explores the network of routes that carried hundreds of thousands of emigrants toward Oregon, California, and beyond...

3 Jul 36min