Michael Guillen, known to millions as the science editor of ABC's Good Morning America, tells the fascinating stories behind five mathematical equations. As a regular contributor to daytime's most popular morning news show and an instructor at Harvard University, Dr. Michael Guillen has earned the respect of millions as a clear and entertaining guide to the exhilarating world of science and mathematics. Now Dr. Guillen unravels the equations that have led to the inventions and events that characterize the modern world, one of which -- Albert Einstein's famous energy equation, E=mc2 -- enabled the creation of the nuclear bomb. Also revealed are the mathematical foundations for the moon landing, airplane travel, the electric generator -- and even life itself. Praised by Publishers Weekly as "a wholly accessible, beautifully written exploration of the potent mathematical imagination," and named a Best Nonfiction Book of 1995, the stories behind The Five Equations That Changed the World, as told by Dr. Guillen, are not only chronicles of science, but also gripping dramas of jealousy, fame, war, and discovery. Dr. Michael Guillen is Instructor of Physics and Mathematics in the Core Curriculum Program at Harvard University.

    Explore the incredible diversity of life in the sea--from the haunting, hour-long songs of humpback whales to the fantastic coral colonies that spawn all their young in a single night.

    Facts about the composition of the earth are conveyed painlessly and memorably.’ —SLJ. ‘An exciting adventure. . . . Illustrations [by Caldecott Medal winner Marc Simont] explode with color and action.’ —CS. Best Books of 1979 (SLJ)Children's Choices for 1980 (IRA/CBC)A Reading Rainbow Selection

    Legendary leaders risked their kingdoms to win her heart, and her epic life has inspired countless tales throughout history. A timeless story of love, war, and ambition, this pictorial biography from acclaimed author/illustrator Diane Stanley is sure to entertain and educate. This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children ages 6 to 8. It’s a fun way to learn to read and as a supplement for activity books for children.

    After centuries of ineffective treatments, the microorganism that causes TB was identified, and the cure was thought to be within reach—but drug-resistant varieties continue to plague and panic the human race.The “biography” of this deadly germ, an account of the diagnosis, treatment, and “cure” of the disease over time,and the social history of an illness that could strike anywhere but was most prevalent among the poor are woven together in an engrossing, carefully researched narrative. Bibliography, source notes, index.

    And so, at the age of twenty-one, he boarded a ship called HMS Beagle and spent five thrilling but dangerous years sailing around the world, studying plant and animal life that was beyond anything he could have imagined. Here, historical novelist Carolyn Meyer tells the story of his unconventional adventures. It’s the story of a restless childhood, unrequited teenage love, and a passion for studying nature that was so great, Darwin would sacrifice everything to pursue it.

    New BIG IDEAs help all students focus on the most important concepts. Students explore concepts through engaging narrative, frequent use of analogies, familiar examples, and clear and instructional graphics. Now, with Success Tracker™ online, teachers can choose from a variety of diagnostic and benchmark tests to gauge student comprehension. Targeted remediation is available too! Whether using the text alone or in tandem with exceptional ancillaries and technology, teachers can meet the needs of every student at every learning level.With unparalleled reading support, resources to reach every student, and a proven research-based approach, authors Kenneth Miller and Joseph Levine continue to set the standard.Prentice Hall Biology delivers:-Clear, accessible writing-Up-to-date content-A student friendly approach-A powerful framework for connecting key concepts

    All of these women were discouraged from pursuing careers in science, but they all persisted in their passion.If there is a pre-teen or adolescent in your life, especially a girl, take a look at this empowering, inspiring chapter book. It portrays the youths and careers of six remarkable women whose curiosity about nature fueled a passion to steadfastly overcome obstacles to careers in traditionally men-only occupations. The six-Maria Merian (b.1647), Anna Comstock (b.1854), Frances Hamerstrom (b.1907), Rachel Carson (b.1907), Miriam Rothschild (b.1908), and Jane Goodall (b.1934)—all became renowned scientists, artists and writers. A wonderful resource for young researchers and biographers, these stories can be a starting point for issues of gender, science, and the environment.

    Explains how fossils are formed and what they tell us about the past.

    During their "classroom" chats, she not only teaches Peter about Arctic Hare and Antelope Jack but also tells him about such creatures as Flying Squirrel, Mountain Beaver, Pocket Gopher, Grasshopper Mouse, Silvery Bat, Mule Deer, and Grizzly Bear.Told with all the warmth and whimsy of Burgess's stories, this engaging book acquaints youngsters with many forms of wildlife and the animals' relationships with one another. The charming collection of entertaining tales is sure to transport today's young readers to the same captivating world of nature that delighted generations of children before them.

    - These thought-provoking books offer a balanced exploration of the beliefs, history and customs of the peoples and religions of the world.

    King Arthur was a good ruler, but now he needs a good ruler. What would you do if the neighboring kingdom were threatening war? Naturally, you'd call your strongest and bravest knights together to come up with a solution. But when your conference table causes more problems than the threat of your enemy, you need expert help. Enter Sir Cumference, his wife Lady Di of Ameter, and their son Radius. With the help of the carpenter, Geo of Metry, this sharp-minded team designs the perfect table conducive to discussing the perfect plan for peace. The first in Sir Cumference series, SIR CUMFERENCE AND THE FIRST ROUND TABLE makes math fun and accessible for everyone.

    Integrated central case studies woven throughout each chapter, use real-life stories to give you a tangible and engaging framework around which to learn and understand the science behind environmental issues. Printed on FSC (Forest Stewardship Council) certified paper, the newly revised Fourth Edition engages you through the addition of new EnvisionIt photo essays.

    His father, musician Vincenzio Galilei said, “Truth is not found behind a man’s reputation. Truth appears only when the answers to questions are searched out by a free mind. This is not the easy path in life but it is the most rewarding.” Galileo challenged divine law and the physics of Aristotle, and questioned everything in search of truths. And it was through this quest for truth that he was able to establish a structure for modern science.