This Week: Reading magma, predicting giant eruptions
In the News: Obama nixes tar-sand pipeline!
Humans and cats have enjoyed each other’s company for millennia, but scientists have discovered some troubling secrets of free-roaming felines that have wildlife and health experts worried. A new study reveals what free-roaming cats do all day, and The Why Files investigates some implications of their outdoor habits.
Cats and dogs can lower blood pressure when people are under stress.