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'Books & Co.' host Alberto Ríos discusses U.S-Mexico border on PBS NewsHour

The poet spoke in-depth about his recent works, which he calls "poetry with a purpose," with PBS NewsHour's Jeffrey Brown.

'Nova' schedule for spring 2018

Nova "The Great Math Mystery"

This spring, "Nova" explores Roman catacombs, how weather works and other secrets of the universe. Join us each Wednesday at 8 p.m.

Benedict Cumberbatch stars in 'The Child in Time,' a haunting tale of a lost child

The Child in Time on Masterpiece

In this adaptation of Ian McEwan’s masterpiece, premiering Sunday, April 1, at 8 p.m., an everyday moment triggers a crisis in the lives of a happy couple.