Betamax vs. VHS (Encore)
In the late 1970s and early 1980s, a war erupted in the world of video technology. Two competing video tape formats fought to gain supremacy in the market. In the end, one format crushed the other an...
15 Mar 202513min
The Cardiff Giant
In 1869, the world was shocked by a discovery that was made outside of the town of Cardiff, New York. Two workers discovered what was claimed to be the remains of a 10 foot tall, petrified human bei...
14 Mar 202514min
Lunar Eclipses
For as long as humans have been watching the night sky, they noticed that every so often, during a full moon, the moon would briefly go dark, or at least change color. They often created mythical ex...
13 Mar 202514min
The Crossbow
One of the most devastating weapons in the medieval world was the crossbow. It evolved from early hand-held projectile weapons into a powerful tool of warfare that shaped battles for centuries. It ...
12 Mar 202515min
Emperor Claudius (Encore)
Tiberius Claudius Caesar Augustus Germanicus, known to history as Claudius, was the fourth Emperor of Rome. Of the emperors that came before him and all those who came after him, he was the most unl...
11 Mar 202513min
Messier Objects
In the 18th century, a French astronomer who was a regular comet hunter kept finding things in the sky that weren’t comets, but they also weren’t stars or planets. He created a list of these objects...
10 Mar 202515min
Primate and Global Cities
Sponsors Mint Mobile Cut your wireless bill to 15 bucks a month at mintmobile.com/eed Quince Go to quince.com/daily for 365-day returns, plus free shipping on your order! Stitch Fix Go to stitc...
9 Mar 202514min
Artificial Turf
In 1965, the world’s first full enclosed sports facility, the Houston Astrodome, was opened to the public. The Astrodome itself was a marvel of engineering, but because it was enclosed, the grass th...
8 Mar 202516min
