Preview the beginning of THE EUGENICS CRUSADE. THE EUGENICS CRUSADE premieres Tuesday, October 16 at 9/8c on PBS. Learn more and find where to watch th
Our population is expected to grow to over 9 billion by 2050, yet the ability of our environment to provide space, food, and energy are limited. Explore population growth from 1 CE to 2050, see how our numbers impact the environment, and learn about the key advances and events allowing our numbers to grow.
Take a tour of Rice Terraces of Yunnan in China -- part of the World's Greatest Attractions travel video series by GeoBeats. From the distance, the Yunna
Of a man getting caught in the switch from hand to steam weaving and losing his girl friend in the process. There was a great bitterness felt between th
Servanthood is the blurred line between wage slavery and chattel slavery but in recent years popular costume dramas set in the British colonial period suc
It's long been known that our diet choices help determine our carbon footprint. But do you know which of your favourite foods are the most water-hungry?
The EPIC OF GILGAMESH is the earliest great work of literature that we know of, and was first written down by the Sumerians around 2100 B.C. Ancient Sume
There's something that Egyptian have been taking from the Nile for many of centuries, but which is naturally being replenished. The river has regularly bee
Science expert Emerald Robinson explains what irrigation is and how it helps mankind.To view over 15,000 other how-to, DIY, and advice videos on any topic
Linguists have a lot of largely untested theories. Borrowing a tool from ecology, researchers built a model that didn't look for one worldwide explanation.
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