Kgnu - How On Earth

(1:00) Cell Phone Radiation - Headphones please?  Chris Farnsworth uses a microwave meter to measure cell phone radiation, to urges people to at least use headphones with a mobile phone. (7:50) CU Engineering Emeritus Professor Frank Barnes talks with  Katie Singer, author of An Electronic Silent Spring.  We also offer an extended interview. Producer, Engineer, Host: Shelley Schlender