How IEDs Work
Improvised explosive devices were the primary killer of American troops in Iraq and continue to top the list in Afghanistan. Their use is so prevalent among guerrillas and insurgents because they are ...
17 Sep 201332min
How much money is in the world?
There are few things more futile than trying to count all of the money in the world. Even many governments have no idea how much currency they have issued. But that won't stop Chuck and Josh from tryi...
5 Sep 201334min
How the Rosetta Stone Works
Sometimes providence smiles on historians. Thus is the case with the Rosetta stone, an ancient Egyptian tablet that served as the key for unlocking hieroglyphics, lost to time for a millennia. Learn a...
3 Sep 201336min
How did 168 conquistadors take down the Inca empire?
Just before Francisco Pizarro arrived in South American in 1532, the Inca empire covered 350,000 square miles and boasted a million inhabitants. Yet Pizarro managed to take down this vast, powerful an...
29 Aug 201337min
How Broken Bones Work
It's a pretty miserable thing to break a bone. There's the initial blinding pain, all of the medical procedures during a trip to the hospital and then, in the best case example, you have to wear a cas...
27 Aug 201339min
History's Greatest Traitors
The annals of history hold a special place for people who have carried out treachery and betrayed their own. Thousands of years later, their names are still synonymous with being a scoundrel around th...
22 Aug 201343min
How Ejection Seats Work
When the Jet Age came about, pilots found they had a brand new problem with their brand new planes: how to bail out when they found themselves in a pinch at 700 mph. In the mid-1940s, aerospace engine...
20 Aug 201337min
How Cockroaches Work
You've seen them in your home and probably squealed in terror, but now it's time to learn all about cockroaches. From their ability to run incredibly fast to the appendage that alerts them when you're...
15 Aug 201343min
