A bestselling science writer uncovers the fascinating story of the invention of the compass and its impact on the world. Illustrations throughout.

The Sourcebook for Teaching Science is a unique, comprehensive resource designed to give middle and high school science teachers a wealth of information that wi

So what if 12-year-old Jack's great-great-great-great-great aunt has oddly youthful looks? (Probably cosmetic surgery.) Or a hat she never removes? (Fashion vic

This book seeks to understand what bring to pass the birth of modern physics by focusing upon the formation of the concept of force. This would be the first boo