Researchers at Arizona State University have published a paper that details how to use light-gathering semiconductors and catalytic materials to produce clean fuels that one day may replace fossil fuels. Hear more about the research from Brian Wadsworth, the lead author of the paper.
This January, "Great Performances" is exploring two historic music events in new documentaries about soprano Maria Callas and pianist Vladimir Horowitz, two international music icons of the twentieth century.
NOVA presents the remarkable life story of Percy Julian — not only one of the great African-American scientists of the 20th century, but an industrialist, self-made millionaire, humanitarian and civil rights pioneer.
Explore the lives of pumas in South America, intricate food chains in Iberia and the chemical reactions that shape our world with Think Wednesday. Tune in to this three-part series of science programs, starting Wednesday, Feb. 3 at 7 p.m.