Rainbows And How They Work
Few things in nature are as instantly recognizable as a rainbow. For thousands of years, rainbows have inspired myths, religion, art, and science. Yet behind those bands of color is an extraordina...
10 Touko 14min
Project Mercury: America's First Steps Into Space
In the late 1950s, the United States found itself trailing in the Space Race as the Soviet Union achieved one milestone after another. In response, NASA launched Project Mercury, an ambitious effort...
9 Touko 15min
The Indian Ocean Trade
For thousands of years, before Europeans crossed the Atlantic or steamships crossed the seas, the Indian Ocean connected the known world. Merchants riding the monsoon winds carried spices, silk, gold...
8 Touko 14min
Calendar Reform (Encore)
Our calendar and system of keeping time are rather unique. It isn’t nice and tidy like the metric system. It is a collection of odd time units, leap years, and rotating calendars. As such, many pe...
7 Touko 15min
Laos: The Forgotten Nation of Southeast Asia
Landlocked and often overlooked, Laos sits at the crossroads of Southeast Asia, shaped by empires, rivers, and war. From the rise of the Lan Xang kingdom to centuries of domination by neighboring po...
6 Touko 15min
The Rise and Fall of OPEC
In 1960, a handful of oil-producing nations made a decision that would reshape the global economy. They formed a cartel to control the world’s most vital resource, challenging powerful corporations ...
5 Touko 15min
The Trial of Galileo Galilei
In 1633, one of the greatest minds in Europe stood before a tribunal, not for a crime of violence or treason, but for an idea. Galileo Galilei had looked to the heavens and reached a conclusion that...
4 Touko 15min
Julius Caesar's Quadruple Triumph
In 46 BC, after 12 years away, Julius Caesar finally returned home to Rome. A lot had changed since he was last there. The entire Roman system had been upended, and he was now the man on top. To ce...
3 Touko 14min
