Eating Psychology with Betty 111

Memory, attention, imagery and categorizing are four mental processes that have been shown to be useful in changing eating habits. This episode shows how and why these methods work.

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An all-female detective agency is on the case in 'Frankie Drake Mysteries'

Set in Toronto in the 1920s, a time when women could not become official police officers, the city's only all-female private detective agency takes on the cases the police don't dare touch. "Frankie Drake Mysteries" comes to Arizona PBS airs on Thursdays, starting April 9 at 8 p.m.

Learn more 'Secrets of the Dead' this summer

Explore some iconic historical moments while debunking long-held myths and shining new light on past events. Advances in investigative techniques, forensic science and historical scholarship offer new evidence on forgotten mysteries.

'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.