Water supply: Did you mean...?

This is a marble intersection water conduit. From Beyazit, modern-day Istanbul, Turkey. Fourth century CE. (Museum of Archaeology, Istanbul, Turkey).

In which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can't live without water, which means it's absolutely necessary for civilization. Today John talks...

A panel from ceiling of the Sistine Chapel in the Vatican, Rome. The panel shows God separating the land from the waters. The ceiling was created between 1508 and 1512 CE by the Italian Renaissance artist Michelangelo (1475-1564 CE) and shows...

Drawing of a Japanese kappa, supposedly caught in 1801 in Mito domain. Illustration from an 1836 copy by Reikai of Suiko Kōryaku by Koga Tōan. The inscription reads: Height 3.5 shaku, weight 12 kamme. The chest protudes, the neck is short...

View of the garden area of the Praedia (estate) of Julia Felice in Pompeii. The large complex of properties was formed after the earthquake of 62 CE by incorporating previous buildings into a single urban villa. Its owner, Julia Felix, converted...

Black-figure hydria from Vulci, Etruria, attributed to the Micali Painter, c. 510-500 BCE. The British Museum, London This Italiote reproduction of the Greek naval invasion of Troy based on the Iliad is shaped around a bireme (diiris...

http://www.ted.com With wisdom and wit, Anupam Mishra talks about the amazing feats of engineering built centuries ago by the people of India's Golden Desert to harvest water. These structures are still used today — and are often superior...

Valley Forge was the winter encampment of the Continental Army from 19 December 1777 until 18 June 1778, during one of the most difficult winters of the American Revolutionary War (1775-1783). Despite being undersupplied, underfed, and plagued...

Thousands of years ago, Persians created an ingenious system to provide water across their arid landscape. They tapped aquifers at the heads of valleys and designed tunnels that utilized gravity to send the water to settlements. It's now...

In the Ladakh region of northwestern India's Himalayas, residents have taken the fight for water into their own hands. With glaciers melting and retreating because of climate change, the impending drought threatens to destroy their livelihoods...