Producing clean fuel with solar power and chemical reactions

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.

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Brian Wadsworth, the lead author of the paper

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'PBS KIDS Talk About: Race and Racism' special to debut on Oct. 9

The half-hour program will feature authentic conversations between real children and their parents, and will include content from PBS KIDS series Daniel Tiger's Neighborhood, Arthur and Xavier Riddle and the Secret Museum.

'Art in the Twenty-First Century' introduces artists of today

Meet 12 artists and one artist collective behind some of the most significant artwork of the 21st century. These creators respond to the places they live and work, and show unabashed engagement with the world around them.

Nova: "How Writing Changed the World"

"Nova" explores new discoveries and how we have come this far on Wednesdays at 8 p.m. on Arizona PBS.