TONIGHT at 8 PM

Dr. George Perry’s background wouldn’t tell you that he’d be one of the world’s prime Alzheimer’s experts. He was reared on the Southern California coastline and earned his doctorate in Marine Biology. His life led him instead to Alzheimer’s research and to the University of Texas at San Antonio.

Amongst the world’s most-cited Alzheimer’s scientists, Perry is grilled on a number of Alzheimer’s pressing issues by Texas Public Radio’s David Martin Davies. Questions and answers cover things we all want to know, like what percentage of us are genetically programmed to have Alzheimer’s, and whether there's any preventative measures we can do when we’re younger.

TONIGHT at 9 PM

ANGLE OF ATTACK chronicles the 100-year history of Naval aviation – from wobbly gliders and the first shipboard landing in 1911 to modern supersonic jets and unmanned aerial vehicles.

The documentary deftly interweaves archival footage, interviews with historical and military experts, contemporary footage of cutting-edge aircraft and insights from today's "Top Gun" fighter pilots in the Marine Corps and Navy.

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TONIGHT at 10 PM

When a highly successful Mexican American Studies program at a high school in Tucson comes under fire for teaching ethnic chauvinism, teachers and students fight back. This modern civil rights struggle is happening at the epicenter of the immigration debate in the age of identity politics.