Why We Miss the Giant Sucking Worms

For humans, nature has never been less threatening. We have conquered many of the diseases that felled our ancestors when they were half as old as the average person lives to be now, and few people die anymore in the jaws of predators. Antibiotics keep bacteria at bay, and the spread of cities and towns has pushed lions and tigers and bears away from our doors. We call this progress. Who would want to go back to, say, a time before penicillin?