Tuesday, March 26, 2019

The Rise and Fall of the Dinosaurs: A New History of Their Lost World

by Steve Brusatte

The author, a paleontologist at the University of Edinburgh, covers hundreds of millions of years of biological history, from the pre-Cambrian to the latest Cretaceous (a fun phrase to say, by the way), explaining in lucid prose the story of the dinosaurs. Brusatte writes with the infectious giddiness of the young geek he still is; his informative chapter on T. Rex in particular is breathless in admiration for "the king." There's almost too much history and discovery for Brusatte to cover, so wide is his scope and excitement. He tells in vivid detail about the two great extinction events (the second, the asteroid that killed the dinosaurs, is confirmed in his account by a layer in the ancient rock of iridium that had to come from outer space). He explains how the ponderous sauropods grew so huge (fast growth, light bones, and most interestingly their birdlike lungs, which allowed them to take in both oxygen on inhalation and exhalation). He discusses the unfortunate and bizarre episode known as the "Bone Wars," in which eccentric 19th-century natural scientists Edward Drinker Cope and Othniel Charles Marshand (they had such great names back then) let their rivalry for glory overcome their desire for scientific advancement. Brusatte also makes clear the now accepted theory that birds are dinosaurs.

Considering the vastness of the subject and the amount of explanation required to lay everything out for the layman (including the required background knowledge on Pangaea, climate change, evolutionary adaption), this is a brilliantly written book. Sometimes Brusatte's excitable authorial voice made me wish he would slow down and lay things out a bit more slowly. He also spends valuable page time on very brief biographies of some of the paleontologists across China, Eastern Europe, and America whom Brusatte admires and works with – all fine people, I am sure, but I really don't care if one affects dandy clothes and listens to the Doors or if another loves to dance at techno clubs. I also would have liked a more in-depth look into the best guess on why only bird-dinosaurs survived the asteroid and not a single other true dinosaur species, while reptiles and mammals did. Still, these are minor complaints; Brusatte's book is probably the best complete overview of what the world of the dinosaurs was like.

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