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Nobel laureate brings microcredit to poor in Latin America
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.
March 6, 2008
Quantum computers key to deeper knowledge
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."
February 15, 2008
Lead in our drinking water with Marc Edwards
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.
January 14, 2008
Ecological debt day: What is it?
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.
December 21, 2007
Seed diversity essential to future food supply
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.
December 10, 2007
Doomsday Vault stores the world’s crop diversity
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.
December 9, 2007
Bernard Amadei: Engineering with heart for world’s poor
Engineers without Borders works to build things such as systems to collect rainwater and photovoltaic solar cells to provide power in health clinics. Read more about engineering with heart.
November 22, 2007
Cancer study says ‘be thin’
Even if you are not overweight, you should slim down to reduce your risk of cancer, according to a 2007 study by the U.K.'s World Cancer Research Fund.
November 1, 2007
Cities best for Earth in 21st century
As Earth becomes more urbanized, it be better off, according to George Martine, lead author of the 2007 State of World Population report. Are cities best for earth? Read more.
October 29, 2007
Early warning for famine with Molly Brown
NASA's Molly Brown developed a Famine Early Warning System Network. Brown talks about this life-saving technology in this 8-minute podcast.
October 21, 2007
