NOVA
Ancient Computer Preview
Learn about the world’s first computer, which was found in a Greek shipwreck.
Learn about the world’s first computer, which was found in a Greek shipwreck.
Discover the fascinating chemistry that makes our world and everything in it—including us.
Airs Wednesday, September 25, 2013 at 9:00 p.m. ET/PT. Check your local listings.
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.