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This spring, a Swedish scientist sparked international concern with a journal article saying that radioactive particles detected in 2010 showed North Korea had set off at least one, and possibly two, small nuclear blasts--possibly in experiments designed to boost the yields of much larger bombs.

Using innovative lab-on-a-chip technology, Samuel K. Sia, PhD, associate professor of biomedical engineering at Columbia Engineering, has developed a way to not only check a patient’s HIV status anywhere in the world with just a finger prick, but also synchronize the results automatically and instantaneously with central healthcare records...

Dr. Fred Ssewamala, Associate Professor of Social Work and International Affairs at CUSSW, has been awarded a five-year, $3.8m grant from the Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD).

Researchers at Columbia Engineering and Boston University have developed the first method to map evaporation globally using weather stations, which will help scientists evaluate water resource management, assess recent trends of evaporation throughout the globe, and validate surface hydrologic models in various conditions.