http://boingboing.net/2012/07/13/cnn-reporter-tells-bill-nye-th.html
Now, Bill Nye is NOT the most reliable science source out there – I remember that he once said that Disneyland’s Haunted Mansion ghosts were created with holograms that scatter light through particles in the air (seriously?) – but I’d hazard a guess that he’s slightly more scientifically knowlegable than Carol Costello.