Plastic in seafood

We hear from Arizona State University marine biologist Beth Polidoro about her research into plastics in seafood. Polidoro has studied freshwater fish in Arizona and also marine animals in the Philippines to analyze contaminants in fish and other seafood. She also uses that information to help inform consumers of the danger of those contaminants in understandable terms.

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marine biologist Beth Polidoro

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'Nova' delivers stories from the front lines of science

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

'Call the Midwife' returns for season 9

The medics and midwives of Nonatus House encounter new challenges as the population shifts, rules change and old diseases return. Meanwhile, their own experiences are fueled by love, loss and doubt. "Call the Midwife" begins its new season on March 29 at 7 p.m. 

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From the remarkable octopus to a river of dreams, experience compelling stories of the natural world as "Nature" returns to Arizona PBS Wednesday nights at 7 p.m.