How did the ancient Egyptians construct the Great Pyramid with such astonishing precision? Massive granite blocks in the King ...

This geometric figure — first identified by dentist William Bonwill in 1864 — is formed by connecting the two points where ...

Ancient Lost Worlds and Hidden History. On location videos made by author and adventurer Brien Foerster exploring Peru, ...

In 1979, Hounsfield won the Nobel Prize in Physiology or Medicine for his role in the development of computer-assisted ...