When Pigs Ruled the Earth: a prehistoric apocalypse
James Secord, 1 April 2004
Some years ago, a National Enquirer headline announced that Martians had killed off the dinosaurs while visiting Earth to do some big-game hunting. It is hard to imagine such an explanation for the extinction of the trilobites – hard-shelled creatures that looked like giant woodlice. Compared with T. rex and triceratops, they lack the trophy quality. But the episode that led to the...