October 28, 2015
Special | 25m 59s
St. Louis’ Chain of Rocks Water Treatment plant turns muddy river water into clear water. Pacific Northwest scientists have found a mushroom that could protect honeybee colonies. The American Library Association talks with Hari Sreenivasan about bringing libraries into the digital age. Brian Green is a physicist using multi-media storytelling and ancient myths to explain scientific principals.
Aired: 10/27/15Video has closed captioning.