A look at the creation and composition of asteroids and the frightening eventuality of a collision with the earth.

This guide aims to explain the basic scientific principles behind high-tech concepts, describes how these systems work and discusses how they impact our lives. Topics in this updated edition include: biotechnology, micromachining and nanotechnology; circuits, microscopes, pl anetary spacecraft, radar; high definition television (HDTV); Internet and World Wide Web; virtual reality; sheep cloning; defeat of world chess champion by a computer; and cryogenics and chip manufacturing.

Long before there were fast food restaurants, the oceans helped sustain human life. Covering 70 percent of the surface area of our globe, the oceans are vast and mysterious and primal and pretty much everywhere you go. What is El Nino and how does it affect the oceans and the weather? What is a riptide? Where does the salt in seawater come from? Are there mountains undersea? How many species of fish exist in the world? Can an ocean be a color other than blue? How do whales breathe? Are volcanoes forming in the oceans today? Boy, we have some questions. The Handy Ocean Answer Book tackles...

Answering nearly 1,000 of the most often asked questions on the complexities that shaped our planet, The Handy Geology Answer Book traces the formation of the universe and the planet, investigating the layers of the Earth, and explaining the formation of mountains and bodies of water. Questions and answers are also devoted to volcanoes, fault lines, caves, fossil fuels, world morphological features, and even the geology of other planets.

Featuring more than 600 questions about dinosaurs--such as What dinosaurs are thought to have evolved into birds? Did dinosaurs travel in herds? and Where and what is the Dinosaur Freeway?--this fun-filled fact-book provides a wealth of information on the lives and habits of these astonishing creatures. From the Tyrannosaurus rex to the Stegosaurus, the guide profiles numerous species, chronicling their time on earth and exploring their roles in archaeological expeditions and museums today. Delightful and intriguing, this comprehensive record includes the debates still surrounding the origins...

It's been said that every woman is a mystery waiting to be solved...
And for as long as women have been around, no one has unraveled the enigma that is the feminine of the species--until now.
In this fun, fascinating, head-to-toe female look at bodies, brains, love, sex and shiny objects, the answers to the questions that have confounded humanity for ages are finally revealed Within this book are the answers to more than one hundred often-asked questions about women.
Here, science writer Patricia Barnes-Svarney offers insights into the minds and bodies of the fairer sex,...

From modern-day challenges such as balancing a checkbook, following the stock market, buying a home, and figuring out credit card finance charges to appreciating historical developments by Pythagoras, Archimedes, Newton, and other mathematicians, this engaging resource addresses more than 1,000 questions related to mathematics. Organized into chapters that cluster similar topics in an easily accessible format, this reference provides clear and concise explanations about the fundamentals of algebra, calculus, geometry, trigonometry, and other branches of mathematics. It contains the latest...

Gene Therapy. DNA Profiling. Cloning. Stem Cells. Super Bugs. Botany. Zoology. Sex.
The study of life and living organisms is ancient, broad, and ongoing. The thoroughly revised and completely updated second edition of The Handy Biology Answer Book examines, explains, and traces mankind's understanding of this important topic. From the newsworthy to the practical and from the medical to the historical, this entertaining and informative book brings the complexity of life into focus through the well-researched answers to nearly 1,300 common biology questions, including...

Your fitness, health, and well-being depend on food and proper nutrition. Yet, knowing what is in the foods we eat, understanding the differences between good and bad fat, learning which foods are good sources of vitamins, keeping up on the latest scientific discoveries, or discerning the effectiveness of different diets can be challenging. To help answer these questions there's The Handy Nutrition Answer Book. Additionally, the book scrutinizes the pros, cons, and effectiveness of the biggest, most popular, and trendiest diets on the market today.
This handy reference...