At 146.5 m (481 ft) high, the Great Pyramid stood as the tallest structure in the world for more than 4,000 years. Today it ...

Restoring a ruin When the Acropolis Restoration Project began 30 years ago, Manolis Korres and his colleagues could have chosen to approximate the Parthenon's original state, adorning it with ...

The Chinese admiral Zheng He must have made quite the impression when the 300 ships under his command arrived at a new destination. The biggest vessels, known as “treasure ships,” were by some ...

Containing 35 separate papyrus scrolls, Babatha's archive is the largest single collection of ancient documents ever found in ...

First Metal Money and Coins Bronze and Copper cowrie imitations were manufactured by China at the end of the Stone Age and could be considered some of the earliest forms of metal coins. Metal tool ...

The solution for Concorde was an elegant delta- or triangular-shaped wing reminiscent of 1950s military aircraft. It had ...

Judgment Day: Intelligent Design on Trial is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. National Corporate funding for NOVA is provided by Carlisle ...

Three years later, the town of Ragusa establishes a quarantine station where all people arriving from plague-infested regions are kept isolated for a month for "purification by sun and wind." 1403 ...

Is time travel possible? For centuries, these questions have intrigued mystics, philosophers, and scientists. Much of ancient ...

Scientists have cured a handful of people of HIV by piggybacking on treatments they received for blood cancer. But does that bring a widespread cure any closer? ByBenjamin Ryan Wednesday, October 5, ...

(This program is no longer available for online streaming.) The centuries-old tradition of folding two-dimensional paper into three-dimensional shapes is inspiring a scientific revolution. The rules ...