In this book the author, a Harvard evolutionary biologist presents an account of how the human body has evolved over millions of years, examining how an increasing disparity between the needs of Stone Age bodies and the realities of the modern world are fueling a paradox of greater longevity and chronic disease. It illuminates the major transformations that contributed key adaptations to the body: the rise of bipedalism; the shift to a non-fruit-based...

Describes the unique light phenomena of the Alaskan Arctic and the way animals adapt to the temperature and daylight changes each month of the year.

"Information about animals shells, scales, spikes and other outer coverings, for young children learning to read"--

"From extreme heat to extreme deep, animals make their homes in some very strange places. See the amazing ways animals have adapted to survive in some of Earth's harshest environments. Through leveled text, extreme action images, and fun facts, let young readers explore some amazing animal adaptations. These early nonfiction chapter books are perfect for budding naturalists and animal lovers"--Provided by the publisher.

"Gavin, Colin, and Doug live on a cozy little drop of H2O until one day, their mother tells them it's time for them to grow up and leave home. In search of the perfect place to settle down, the three little tardigrades (also known as "moss piglets") journey to an underwater ice cave, an erupting volcano, and even the moon! They can survive under extreme conditions, but can they avoid the Big Hairy Wolf Spider?"--

Provides information about the appearance, behavior, and habitat of the strange Thorny Devil lizard.

In Advertising & the End of the World, Sut Jhally, Executive Director of MEF, exposes the inherent conflict between commercial culture - as aggressively sold by private, global media systems - and environmental stewardship. This powerful video goes beyond simply critiquing commercial images to challenge us to evaluate the costs of consumer society and how we participate in it.

Young children are naturally curious about animals. Tell Me Why Bears Hibernate offers answers to their most compelling questions about why bears sleep all winter. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

"Fur, feathers and scales are all animal coverings or skins. Animals use their skin to stay warm and dry, protect themselves or hide or even to warn other animals to stay away. Following Animal Noses, Animal Tails, Animal Eyes, Animal Mouths (NSTA/CBC Outstanding Trade Science Award), and Animal Legs, Mary Holland continues her photographic Animal Anatomy and Adaptations series by the many different ways that animals use and rely on their skin covering...

Most people think rats are gross. So it might not be a surprise that they eat some gross things, such as paper, glue, and even toenails, but rats do this because they re great survivors. This attention-grabbing book will motivate readers to find out about the bizarre behaviors of this remarkable rodent. Vivid photographs shed further light on the secret lives of these curious creatures.