Dinosaurs (Remastered) | Can't Sleep? Learn About the Reptiles That Ruled the Earth

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 Juli 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 Juli 36min

Cereal crops have shaped human civilization for thousands of years. This episode explores the grasses that produce the world’s most important edible grains, how cereals are cultivated and harvested, a...

1 Juli 30min

Concrete has shaped the modern world in ways most people rarely notice. This episode explores the history of concrete, how it is made, why it became one of the most widely used building materials on E...

29 Juni 30min

Crop circles transformed ordinary farm fields into the setting for one of the modern world’s most persistent mysteries. This episode explores the history of crop circles, where reports originated, how...

26 Juni 34min

Clocks have shaped the way humans understand and organize time for thousands of years. This episode explores the history of timekeeping, from ancient sundials and water clocks to early mechanical devi...

24 Juni 35min

Supernovae are among the most powerful events in the universe. This episode explores what happens when stars reach the end of their lives and why these immense explosions can briefly outshine entire g...

22 Juni 35min

Volcanoes have shaped Earth’s surface for hundreds of millions of years. This episode explores how volcanoes form, what happens beneath the ground before an eruption, the different types of volcanic a...

19 Juni 32min