How do we know what dinosaurs looked like? How fast could a T. rex run? What was the biggest predator that ever lived on land? Are any dinosaurs alive today? Find the answers to these questions-and many more- in Dinosaurs by the Numbers.
Describes the odors that some animals have developed to stay safe and thrive in their environments, including the striped skunk, the bombardier beetle, and the honey badger.
Collects infographics and illustrations that visually represent interesting and easy-to-understand facts, figures, and comparisons intended to offer readers a better understanding about the solar system.
How old is the earth? Where is the ice three miles thick? Why are volcanoes so dangerous? Where are the wettest and driest spots on the planet? Find the answers to these questions-and many more-in Earth by the Numbers.