Potty Trained Cows and a Whiter White

Two stories about small, unexpected ways scientists are trying to combat global climate change. First, can greenhouse gases be reduced by training cows to pee in a toilet? Can cows be trained to pee in a toilet? Researchers from Germany are trying to find out, and Jeff and Anthony have opinions! Then, what if you could dramatically reduce the amount of energy needed to cool your home by simply painting the roof? Scientists at Purdue believe their new world record holding white paint could do just that. Anthony and Jeff take a look.