Even though we can’t change the weather ourselves, we can understand the factors that account for changing conditions. Weather fronts are responsible for a host of meteorological phenomena, and learni
Whether they glimmer to attract prey, to ward off predators, or for another reason entirely, glowing organisms are some of the most mesmerizing wonders of nature. This stunning volume introduces eleme
Single or multicolored, smooth or multifaceted, gems of all kinds captivate people of all ages. This vibrant volume will teach the budding geology buff how a single mineral can form many varieties of
There are over 6 muscles in the human body that we can strengthen, stretch, flex, or simply leave alone. Whether we use them consciously or not, muscles work to protect our bones and keep our blood fl
Many animals live in water, but only some can be defined as fish. Twenty-eight thousand species of fish exist, each with different characteristics. Readers from grades one through four will learn that
Since 2003, when the world learned that the Islamic Republic of Iran had succeeded in secretly developing a capability to enrich uranium and separate plutonium, the question of Iran’s nuclear program
This book addresses the use, operation and maintenance of new renewable energy systems, taking into account their integration in the current electrical markets and in the new emergent uses of energy.
