agriculture

Hydroponics: The power of water to grow food

by Valentina Lagomarsino figures by Rebecca Senft In the year 600 B.C.E., the climate was arid and dry along the Euphrates River in Western Asia, but there were lush gardens climbing up the walls of the metropolis, Babylon. It is believed that the…

One Man's Waste, Another Man's Fortune

The next time you sit down to make a deposit at your local porcelain bank, you might want to think twice before flushing. Researchers at the Georgia Institute of Technology and the Center for Disease Control have conducted a comprehensive analysis of…