Countless children and parents are trapped in a cycle of bad behaviour. Children gain power in the home that is totally irresistible to them but makes them mise

A stunning introduction to the first planet in our solar system, utilizing full-color photographs from the Mariner probe. A "fine contribution to science collec

Take a journey to ancient Rome and learn about some of the most exciting figures in Roman mythology.

Have you ever heard of Anansi, the shape-shifting West African spider? Or of Tanuki, the sweet but troublesome raccoon-dog of Japanese folklore? With this encyc

Mercury is widespread in our environment. Methylmercury, one organic form of mercury, can accumulate up the aquatic food chain and lead to high concentrations i