The Mercury 13
In the late 1950s, NASA recruited military test pilots to become the very first American Astronauts. They underwent an extensive battery of tests to find the very best astronauts for the Mercury progr...
8 Maalis 20219min
The Iditarod
In 1973, 34 mushers and their dog teams lined to take part in a race that recreated a 1925 event where the medicine was delivered by dog sled to the remote town of Nome, Alaska. Since then, the race h...
7 Maalis 20219min
Operation Sealion
In the spring of 1940, the German war machine rolled over the nations of Western Europe so quickly that it surprised everyone, including the Germans. With France, Belgium, the Netherlands, Norway, and...
6 Maalis 20219min
Darwin's Other Theory
From December 27, 1831, to October 2, 1836, the HMS Beagle set out on a scientific survey expedition in the Atlantic and Pacific Oceans. On the ship was a young man named Charles Darwin. That expediti...
5 Maalis 20219min
David Rice Atchison: President For A Day?
At 12 noon on March 4, 1849, the presidential administration of James Polk ended. 24 hours later, at noon on March 5, President Zachary Taylor took the oath of office to become president. During those...
4 Maalis 20219min
The Deep Biosphere
Imagine taking all of the trees, grass, animals, insects, fish, coral, and bacteria on the surface of the Earth and in the sea. Basically, every living thing on the planet. If you were to add it all u...
3 Maalis 20219min
Zeppelins
Airplanes were not the first type of aircraft. Lighter than air airships were flying decades before the Wright Brothers flew their first airplane. Of all the airships, there was one company that becam...
2 Maalis 202113min
The War of Jenink's Ear
Throughout history, there have been many causes for wars. Surprise attacks, broken marriages, unpaid debts, and even, of course, good old greed. However, an 18th-century war between Great Britain and ...
1 Maalis 20218min
