A perfect biography for young readers, and a very inspiring story. Vivien Thomas worked hard to make a new way to help babies' hearts. Readers will learn about his life and the surgery he invented, and make their own stethoscope, too.

Explains why Earth has seasons, describes the first signs of spring, names things that animals and people do in spring, and includes a simple experiment.

If a trip to an active volcano is your idea of a dream adventure, then perhaps a career in volcanology is for you! Through case studies, photographs, interviews, and facts, you'll discover what it means to be a volcanologist, why we need them, and how you can become one too.

Most people love microwave popcorn or a warm snack from the microwave, but before 1975, homes did not have this great device. How did Percy Spencer go from a small town mill worker to the inventor of one of the most popular devices in the world? This book explains how Spencer's love of science and machines helped him achieve a patent for the microwave oven.

This book explains why we have seasons and when the spring season starts. It also suggests some spring activities that people do as well as what animals may do during this season. There is an easy experiment relating to spring included in the back of the book. Author Sara L. Latta creates a fun learning environment about science for emerging readers.

When an invasive species makes its way into a new habitat, it can get crowded in a hurry! The invasive species can wreak havoc on the native species including people. Discover how invasive species make their move into new territories and how people are trying to lessen their negative impact.

Most people can't imagine a car without windshield wipers. How would you possibly see during a snow storm or downpour? But there was a time when drivers had to wipe the windshield themselves to clear it of snow and rain. And boy did they get wet. Readers find out how Mary Anderson's smart thinking helped her get a patent for the Windshield Cleaning Device.

Mining can be a dirty and dangerous business. Some mines are difficult, if not impossible, for humans to reach. Enter our ever-evolving world of robotics. They help clean up mining disasters, drill into the ocean floor, and more. Young readers will "dig" the informational text, intriguing facts, and full-color images. A "Words to Know" feature helps students master new vocabulary. Mining Robots includes an activity that shows readers how to make their...

Credit card scams, identity theft; this is the new age of computer crime. Even though there is no smoking gun, deleted computer evidence can still be detected by expert detectives. These forensic investigators can track down criminals who use the computer as their weapon. Readers will discover the techniques these officers use to solve real life computer-based crimes.

Doctors, nurses, and other medical professionals can help you feel better when you are sick. Robots can too. They check up on patients, help paralyzed people move again, and even perform surgery. Informational text, fascinating facts, and full-color images tell the story of how robots are helping transform medicine. A "Words to Know" feature helps students master new vocabulary. The book includes a hands-on activity that will help students understand...