PLUS (PT)

7:30 pm 

Body's Secret Army   The program introduces viewers to scientists, doctors, and patients who are united by their determination to unlock the immune system's mysteries, as well as to some of the Nobel Prize awarded pioneers whose discoveries opened the doors to today's advances.G

8:00 pm 

Scientific American Frontiers  "Dead Men's Tales"  Alda meets scientists reconstructing mysterious past events from the evidence of excavated remains. Stories include the mysterious destruction of the Jamestown colony and the unconfirmed hanging of outlaw Wild Bill Longley. D

9:00 pm 

NOVA  "Doomsday Volcanoes"  The eruption of Iceland's Eyjafjallajkull volcano in 2010 turned much of the northern hemisphere into an ash-strewn no-fly zone. But Eyjafjallajkull may be just the start. Katla, an Icelandic volcano 10 times bigger, has begun to swell and grumble.G

10:00 pm 

Liquid Assets: The Story of Our Water Infrastructure   LIQUID ASSETS, a ninety-minute documentary, tells the story of essential infrastructure systems: water, wastewater, and stormwater. These systems - some in the ground for more than 100 years - provide a critical public health function and are essential for economic development and growth. Largely out of sight and out of mind, these aging systems have not been maintained, and some estimates suggest this is the single largest public works endeavor in our nation's history. D

11:30 pm 

Body's Secret Army   The program introduces viewers to scientists, doctors, and patients who are united by their determination to unlock the immune system's mysteries, as well as to some of the Nobel Prize awarded pioneers whose discoveries opened the doors to today's advances.G