
Fluorine: The Most Reactive Element
There is an element so reactive that it was one of the last to be isolated, and chemists were injured or even killed trying to obtain it. Yet once tamed, it became essential to everything from alumi...
16 Sep 16min

The Avignon Papacy
For centuries, the pope was one of Europe's most powerful figures, ruling the Church from Rome and challenging kings and emperors alike. Then, in the early 14th century, a bitter struggle with the F...
15 Sep 16min

Cod: The Fish That Shaped History
For centuries, one seemingly ordinary fish helped feed armies, sustain empires, launch fishing fleets across the Atlantic, and shape the economies of entire nations. It could be preserved for months...
14 Sep 14min

The Cheyenne Mountain Complex
Buried deep beneath thousands of feet of granite in Colorado is one of the most famous military installations ever built. Designed during the Cold War to remain operational during a nuclear attack, ...
13 Sep 16min

Ivan the Terrible
In the 16th century, one ruler transformed a growing principality into a powerful empire, crowned himself with a new title, conquered vast territories, and reshaped the political order of Eastern Euro...
12 Sep 16min

The Immovable Ladder of Jerusalem
For centuries, one of the holiest places in Christianity has been governed by an extraordinarily delicate balance of tradition, property rights, religious rivalry, and international diplomacy. In thi...
11 Sep 15min

The Srivijaya Empire
For centuries, one of Asia's most powerful empires controlled the vital sea lanes connecting China, India, and the Middle East. It grew fabulously wealthy from trade, became a major center of Buddhi...
10 Sep 16min

A History of Looney Tunes
For decades, audiences around the world have watched a collection of characters survive explosions, outwit hunters, fall from cliffs, and repeatedly bend the laws of physics. What began as inexpensiv...
9 Sep 14min




















