We think our feet are always on solid ground, but in Florida it's more like Swiss cheese. Dick speaks to Casey McKinlay, who, along with his diving partner Jarrod Jablonski, pulled off a 21-hour dive through underwater caves that connect sinkholes.
More than 150 vultures mysteriously moved into a two-block radius of Shelby, N.C. Kristen Duren, the woman charged with running the birds out of town, says the best deterrent was to hang vulture effigies upside down.
Josh Fox is a filmmaker who lives in upstate Pennsylvania. The more he learned about how natural gas is extracted, the more worried he became about its effect on people's health, the environment, and in particular, the water.