EmbedVideo(3083, 482, 304); What's as easy as lighting up a room -- say a hospital delivery room? You'd be surprised. In much of Africa and other poor areas, electricity is scarce and unreliable. Hospitals and clinics in…

Dr. Laura Stachel and her husband founded We Care Solar to help bring light to the estimated 300,000 hospitals and clinics in the developing world that don't have reliable sources of electricity. Our slideshow highlights Stachel's work toward equipping remote…

About 2 million children who are malnourished die each year worldwide, according to a United Nations estimate. Yet aid organizations say it's tough to attract attention to the issue of chronic malnutrition in a preventative way -- before it becomes…

Pigeons are seen eating on a street in Hong Kong on January 6, 2012. Photo by Aaron Tam/AFP/Getty Images. Earlier this month, the scientists who altered the H5N1 virus to create a more contagious strain that's transmissible between ferrets,…

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