Water supply: Did you mean...?

The Thames Tunnel was completed in 1843 and connects the two banks of the River Thames at Rotherhithe and Wapping in London. The 20-year project was masterminded by Marc Isambard Brunel (1769-1849) and was both the first tunnel...

George Berkeley (1685-1753) was an Anglo-Irish bishop and an empiricist and idealist philosopher. He infamously claimed that no matter exists outside of God and that things only exist outside of our minds and perceptions because...

Xolotl was the dog god of the Mexica people, commonly known as the Aztecs. He is represented in codices, statuary, and other extant examples of Aztec art as a dog or a god with the head of a dog. While this figure...

Mari was a city-state located near the west bank of the Euphrates River in Northern Mesopotamia (now eastern Syria) during the Early Bronze Age and the Middle Bronze Age. One of the earliest known planned cities, Mari is believed to have...

Caerphilly Castle (aka Caerffili), located in South Wales, was first built between 1268 and 1290 CE. The largest medieval castle in Wales, Caerphilly was built with a concentric design by Gilbert de Clare (1243-1295 CE) as a...

Itsukushima Shrine is a Shinto shrine on the island of the same name, also known as Miyajima, located in Hatsukaichi, Hiroshima Prefecture, Japan. Traditionally founded in the 6th century CE, the present layout of buildings...

The story of the ten plagues of Egypt is found in chapters 7-12 of the Book of Exodus. The story depicts the natural disasters sent by the God of Israel to convince Pharaoh to let the Hebrew slaves leave Egypt. The narrative...

The Xia Dynasty (c. 2070-1600 BCE) was the first government to emerge in ancient China and the first to adopt the policy of dynastic succession. Consequently, the Xia was the first dynasty of China. Long regarded as a mythical construct...

Ancient Greek science is a modern term for the application of systematic inquiry into the individual, the world, and the universe, which began in Ionia in the 6th century BCE with Thales of Miletus (l. c. 585 BCE) and continued...

Chaco Canyon was the center of a pre-Columbian civilization flourishing in the San Juan Basin of the American Southwest from the 9th to the 12th century CE. Chacoan civilization represents a singular period in the history of an ancient...