When babies are deprived of oxygen before birth, brain damage can occur. Preventive treatment is not always available in developing nations. Students have invented a low-tech $40 unit to provide protective cooling in the absence of modern hospital equipment that can cost $12,000.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/J...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/J...