In 1900 sponge divers found the wreck of a 2000 year-old treasure ship that contained within it a machine that should not exist. Learn of the device that reveals an understanding of the cosmos far more sophisticated than anyone knew the Greeks possessed.
We've covered our fair share of pop-culture icons and here is another - Hula-Hoops. They've been around since ancient time in some form or another, but made their name in during the Hoop Boom of the 1950s. Learn all about this popular fad and more.