The Thirty Mile Zone

Vitamin D

The Carrington Event

Cursus Honorum

Madrid

How Göbekli Tepe Changed History (Encore)

All About Lasers

The Tombs of the Unknown Soldiers

The Oxford English Dictionary

The House of David

Ignaz Semmelweis and His Simple Great Idea (Encore)

Beethoven's 9th Symphony

Kayfabe (Encore)

The Fermi Paradox

The Fosbury Flop

The Battle of Cannae

Was King Arthur Real? (Encore)

The Most Famous Song in the World

What Were The First and Second Reichs?

A History of Lead