Yemen's Long and Complicated History
For thousands of years, Yemen has been one of the most important crossroads in the world. It was home to ancient kingdoms, the legendary land of Sheba, the port that gave mocha coffee its name, and ...
2 Kesä 13min
The 1921 Tulsa Massacre
In 1921, one of the most prosperous Black communities in America was attacked, burned, and nearly erased from public memory. The Greenwood District of Tulsa, known as Black Wall Street, became the s...
31 Touko 13min
The History of the Pentagon
Before the United States entered the Second World War, it had a problem. The military was spread out all over Washington, D.C., and had difficulty functioning. The solution was a new massive buildin...
30 Touko 14min
The Rise and Fall of the Aztec Empire
Following the collapse of the Toltec Civilization, the Aztecs rose to prominence in 14th-century Mexico. The Aztecs constructed the most formidable state in the Americas, guided by a supreme emperor ...
29 Touko 15min
Chaos Theory and the Butterfly Effect
For centuries, scientists imagined the universe as a giant clock, where every motion could, in theory, be predicted. Then mathematicians and meteorologists discovered something unsettling: even syst...
28 Touko 14min
CPR: Cardiopulmonary Resuscitation
For most of human history, when a person’s heart stopped, that was considered the end. Then, through centuries of trial and error, strange experiments, and medical breakthroughs, doctors discovered ...
27 Touko 14min
The Ebola Virus
In 1976, a mysterious and deadly illness appeared almost simultaneously in Sudan and Zaire. It killed with frightening speed, baffled doctors, and was eventually named after a river few people had e...
26 Touko 14min
