Books in Reading Essentials in Science. Healthy Living series

The weather is responsible for many natural disasters. Explore thunderstorms, tornadoes, hurricanes, floods, drought, blizzards, and avalanches and their disastrous effects.

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George Washington led a group of courageous male and female spies during the American Revolution.

Take a closer look at the microscopic world of cells, the basic building blocks of all life.

Inhale information about the system that brings essential oxygen into the body and carries harmful substances away to ensure a lifetime of healthy breathing.

Travel the alimentary canal to learn how food is digested with help from the liver, pancreas, and gallbladder. Find out how nutrition affects digestion and health.

Acids and bases are compounds with specific properties that are very important to everyday life

Using new technology, scientists are sending telescopes, observatories, and probes into space looking for places where life did, does, or could exist.

Learn how stars, like our Sun, are born and how scientists determine their magnitude and distance from Earth. Learn what happens when stars die and become novas, supernovas, white dwarfs, black dwarfs, or even black holes.

While it's readily accepted that the Earth is getting warmer, scientists continue to disagree about what that really means. Learn more about the greenhouse effect and how it impacts Earth.

When conditions are right, a tornado can drop down from the sky, devastating everything in its path.

All living things evolve over time in order to adapt to their environment. Meet some of the world's craftiest survivors, and learn how they have adapted to their surroundings.