No yolk: Researchers have discovered how to unboil egg whites. The chemical technique could help the food industry and others utilize more enzymes for cheese or beer with less waste.
Scientists launched a large trial Monday to test two vaccines. But testing Ebola drugs in West Africa is proving more difficult than expected because the disease is disappearing rapidly.
Construction is starting in Chile on a new sort of telescope. One aim is to survey huge swaths of sky for faint signals of a "Planet X" that may be lurking on the farthest edges of our solar system.
In many parts of the world, there's no direct translation for terms like depression or anxiety. Cambodians, for example, say "the water in my heart has fallen." So how does a doctor refill a heart?
Des Moines, Iowa, wants to control nitrate pollution in nearby rivers. It's often called fertilizer runoff. But the best way to reduce it involves planting different crops, not using less fertilizer.