Raintree freestyle

Looks at ancient medicine and explains why humans faced new challenges when they began to live together in large communities.

A mission in every sense of the word, building the Three Gorges Dam on the Yangtze River in China has been considered the most enormous and expensive engineering project the world has ever know. Although it is able to produce massive amounts of clean power, many believe that the problems outweigh the benefits. Learn all about the designing and building of the Three Gorges Dam, as well as the controversies surrounding this massive project.

This title covers the following: Where Can We Find Fossils?; How Are Fossils Formed?; Common Fossils; Fossil Plants and Fossil Fuels; Clues Left Behind; Become a Paleontologist.

Looks at the behavior and characteristics of different kinds of fish, from the grazers that eat plants on the ocean floor to the anglerfish, which has its own rod and line to catch other fish.

This book counts down the most memorable failures in the world of medicine. Students will also learn about what was gained from each failure.