Saved by the sun

A new twist on the use of renewable energy is saving children's lives in Africa. The innovation--a solar powered oxygen delivery system--is providing concentrated oxygen in hospital for children suffering from severe pneumonia.The device created by Dr. Michael Hawkes, an assistant professor in the University of Alberta's Division of Pediatric Infectious Diseases, is the focus of a recently published study in The International Journal of Tuberculosis and Lung Disease and is already in u