Cryobiologists study how cold affects living things. But what do icy temperatures have to do with organ transplants? Learn about the work cryobiologists are doing today and the breakthroughs they hope to achieve in the future.

"Simple text and photographs describe polar animal adaptations"--Provided by publisher.

On February 20, 1962, John Glenn strapped himself into the seat of the Friendship 7. He was about to become the third American in space and the first American to orbit Earth. Find out more in NASA and the Astronauts, one of the titles in the Space Exploration series.

Humanity's impact on the natural world can have disastrous effects. Invasive Species shines a light on the global problem of invasive species. With abundant charts and diagrams and large-format photos, this title explores the science behind how species become invasive and the damages they cause ecosystems around the world, and considers actions people and governments can take to try to improve the situation. Features include a flow chart showing the...

Bringing Back Our Freshwater Lakes explains why freshwater lakes are at risk and how people are combating overfishing, cleaning up polluted waters, and preserving our freshwater lakes for future generations. This title also explores the science behind watersheds and the water cycle. Features include a cause-and-effect flow chart, a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state...

A diamond is shiny. A brick wall is dull. Why are some objects shiny and others dull? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between shiny and dull objects.

A bowling ball is heavy. A feather is light. Why are some items heavy and others light? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between heavy and light materials.

"A nail is hard. A cotton ball is soft. Why are some objects hard and others soft? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between hard and soft materials."--

Find out how animals survive Earth's most extreme regions! From the rain-drenched treetops to the sun-starved forest floor, the rain forest is a tough place to live. But many animals from geckos to jaguars thrive in this environment. Discover the amazing body parts and behaviors that make living there possible. Filled with full-color photographs and engaging, easy-to-read text, Amazing Animal Adaptations are perfect for pre-readers and early reader...

CHANGES ON EARTH: This nonfiction, photo-filled science book for beginning readers describes the fast and slow changes on Earth. Readers will be captivated as they learn that Earth is constantly changing, sometimes in the blink of an eye, and sometimes over millions of years! SCIENCE READERS FOR CHILDREN: Look around at your environment. What do you notice? Earth is constantly changing, whether or not you can actually see it! Climb aboard as we explore...