Why Did The Roman Empire Fall?
For over 1000 years, Rome, either in its Republican or Imperial form, was the dominant power in the Mediterranean. Then, at least in the West, the empire eventually fell apart. Ever since people hav...
27 Jul 202414min
The Hubble Space Telescope
On April 24, 1990, the Space Shuttle Discovery launched the Hubble Space Telescope into low Earth orbit. After some initial technical problems, it began providing images of our universe, the likes of ...
26 Jul 202416min
Cleopatra (Encore)
Cleopatra VII Philopator was the last ruler of an independent Egypt and one of the most important women of the ancient world. In addition to being a brilliant and cunning ruler in her own right, she ...
25 Jul 202416min
The History of Motion Pictures
Perhaps the greatest advancement in the arts in the 20th century was the creation of motion pictures. Motions Pictures was a brand-new art form. While initially it was just recorded stage presentatio...
24 Jul 202415min
Tristan da Cunha: The World’s Most Isolated Settlement (Encore)
Located in the South Atlantic Ocean, situated between South America and Africa, lies the most remote human settlement on Earth. There, a community of a little over 250 people eke out a living over 1,5...
23 Jul 202412min
A Brief History of Nothing
One of the most difficult concepts for early thinkers to get their heads around was the idea of nothing. Everywhere we go, all our lives, there is something. There is air and matter that surrounds us...
22 Jul 202414min
The Geography of Mexico
Just south of the United States and north of Guatemala is Mexico, a fact which I’m sure all of you know. However, most people don’t know that much about Mexico. There are caricatures of Mexico, and m...
21 Jul 202414min
The Germ Theory of Disease
For thousands of years, many theories have been put forward as to the cause of communicable diseases. These theories ranged from the religious to the magical and sometimes quasiscientific, but what t...
20 Jul 202414min
