The School of the Americas was famous for training South American soldiers. Supporters believed the school provided operational support for forces that advanced democracy and...
About two-thirds of the aluminum ever made is still in existence. Find out why recycling aluminum makes it virtually indestructible. Watch more at dsc.discovery.com
Conspiracy theorists across the world believe that freemasons control the District of Columbia through the use of arcane symbols and geomancy. But why? Tune in...
Air conditioning has fundamentally changed how people experience the world. When it's hot outside, walking into an air-conditioned house is like walking into another season....
How well do you know your espresso? An expert barista shows us how to prepare the perfect espresso in Discovery Channel's "HowStuffWorks" series. Watch more...
