For Brian Switek, the arrival of warm weather means it’s time to grab a case of beer, jump in the car and head out for the first dinosaur dig of the season. As a blogger who writes mainly about dinosaurs, he’ll spend days at a time camped out with paleontologists in America’s premier dino-hunting territory. The actual fieldwork isn’t always so romantic — “looking for crumbs” is how Switek describes it — but he says there’s nothing more rewarding than spotting an interesting bit of bone. As new finds emerge, scientists continually renovate theories on dino biology. ... (p. 32)