This colossal prehistoric turtle could snap other turtles in half

For a brief period after the dinosaurs vanished, truly gigantic reptiles like the 50-foot snake Titanoboa and twenty-foot crocodiles dominated the swamps of ancient Colombia. Now we've discovered another, much gentler giant - the humongous 60-million-year-old "coal turtle." » 5/27/12 2:00pm 5/27/12 2:00pm