Wednesday, February 18, 2015
Season 2015 Episode 1033 | 26m 46s | Video has closed captioning.
Researchers use salamanders as an "early warning system" for the environment. Gorges State Park is a temperate rainforest. Elk Knob State Park is NC 's newest state park. And as Duke University marks John Hope Franklin's 100th birthday year, we share an encore broadcast of a conversation DG Martin had with Dr. Franklin about his book "Mirror to America."
Aired: 02/18/15
Problems Playing Video? | Closed Captioning