Teeth development in children
The development of the primary teeth begins while the baby is in the womb. Teething usually occurs between the ages of six and nine months. At about the age of six years, the first permanent teeth erupt. The development of the primary teeth ... [... more]
Better Health |
Ellen J. Prager
How do volcanoes erupt? What is lava and what happens when it cools? Where are the worldÕs biggest volcanoes? Just stay cool—and let Volcano Vulcan, Dragon Explorer, take you around the hot-spots! What causes earthquakes? Where do they happen ... [... more]
Random House |
Steven Wolf
Beneath the social mask we wear every day, we have a hidden shadow side: an impulsive, wounded, sad, or isolated part that we generally try to ignore, but which can erupt in hurtful ways. As therapists Connie Zweig and Steve Wolf show in this ... [... more]
Random House |