Place a sample on a semi-transparent disc, scan it on a DVD reader, see the results on a monitor, and you can test blood cells, DNA, RNA, and proteins. One of the team believes it could have a "transformative effect" on health in East Africa.
Using the 2-million-year-old remains of several partial skeletons, the archaeological team created a reconstruction of a species with a human-like pelvis, hands, and teeth, and a chimpanzee-like foot--an australopithecine by any other name.
Re:char is a pioneering company that sells kilns to farmers in Kenya that allow them to convert their farm waste into what's known as biochar, which can then be used for cooking. CEO Jason Aramburu spoke to us about the emerging area of biochar and a grant that re:char just received from the Gates Foundation to develop a system to transform human waste into biochar.
Solar Sister gives startup funds--and a $500 "business-in-a-bag"--to door-to-door solar saleswomen, illuminating villages and offering exceptional economic benefits to communities.