Catalyst: Building with better concrete

“Catalyst” finds engineers at Arizona State University who are working to build a better concrete. What does it mean for the environment?

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In this segment:

Narayanan Neithalath, Ph.D.

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PROGRAMMING NOTE: State of the Union coverage Jan. 29

President Trump is scheduled to deliver the 2019 State of the Union address on Tuesday, Jan. 29, at 7 p.m., broadcast live on Arizona PBS.

Watch new episodes of ‘Plate & Pour’ every Thursday at 7 p.m.

Join Mark Tarbell as he takes you inside some of the most interesting places to eat.

'Nova' returns this winter with new episodes Wednesday nights

From volcanoes to space exploration, "Nova" explores our world every Wednesday at 8 p.m. on Arizona PBS.