A gene protects grains (wheat, rice, corn, barley) from disease. Our species owes its survival in part to the stoutness of the disease-resistant gene in grains.
As Earth's climate warms, surface waters remain warm for longer and lengthen the "cholera season" for countries like Bangladesh. Marine microbiologist Rita Colwell describes a cholera early warning system that could help combat outbreaks.
Microcredit - loans to the poor made without collateral - is catching on in Latin America with the help of the Whole Planet Foundation, according to Muhammad Yunus.
David Deutsch talks about quantum computers in his book, The Fabric of Reality, and "tries to present a unified world view that incorporates all our best knowledge."
Do Americans take safe drinking water for granted? Is there lead in our drinking water? Learn more from Marc Edwards, a civil engineering professor at Virginia Tech.
By early October, we humans had already consumed all the resources Earth will produce for 2007.
That's the basis of Ecological Debt Day, announced by Mathis Wackernagel of the Global Footprint Network.
Earth's climate and weather are tied to our food supply. And many scientists who model future climate believe that temperatures will rise and patterns of rainfall, freeze, and drought will become less certain while population increases.
Not far from the North Pole, deep in a mountain on a remote Norwegian island, is the Doomsday Vault. It will store a backup collection of the world's seeds.