Titoli in Scienza e tecnologia

How does a swimming tadpole become a hopping frog? A tiny tadpole leaves its egg. It swims and eats. Its tail gets longer. Soon back legs grow. Then front legs grow. Follow the frog's life cycle step by step.

How does an egg become a butterfly? Follow each step in nature's cycle - from egg to brightly colored insect - in this fascinating book!

Water is essential to life on our planet. Water is constantly moving between Earth's surface, the air, and the ground. But did you know that water cannot be created or destroyed? Or that water is not only a liquid but also a solid and a gas? Learn about the water cycle in this fascinating book.

Fall is a time to celebrate food. Farmers and gardeners work hard to grow crops all spring and summer. In fall we harvest pumpkins, pecans, corn, potatoes, and more. Mmm! What happens in fall? Find out in the Fall's Here! series, part of the Cloverleaf Books™ collection. These nonfiction audiobooks make learning fun!

Years ago, when astronauts needed to leave the spacecraft, they used the manned maneuvering unit (MMU). Even though this piece of equipment is no longer used, it is still very interesting.

Brr! It's starting to get chilly! Find out how weather changes during fall. See how people and animals get ready for cooler temperatures. Let's grab our coats and mittens! What happens in fall? Find out in the Fall's Here! series, part of the Cloverleaf Books™ collection. These nonfiction audiobooks make learning fun!

Newly reintroduced along with his pack to Yellowstone National Park, Wolf 8 struggles at first. Small and bullied by his siblings, he must learn to fend for himself in his new home, learning to hunt, compete for food, and even stand up to a grizzly bear 10 times his size. One day, little 8 meets an alpha female raising a litter of pups on her own. Her mate was killed by humans. Can little 8 rise to the occasion and help the young family survive? Is he ready to be an alpha wolf?

Whales whistle, fireflies glow, and skunks spray—that’s how they communicate! Find out how mammals, reptiles, birds, and other animals send messages and signals to stay safe, make friends, and care for their young. Accessible and fun K–3 level information reveals the animal world to young listeners and researchers in this Pebble Explore title from the Animal Societies series.

Every year, doctors and medical researchers make incredible breakthroughs in human medicine. Did you know some are finding ways to build organs in laboratories? Or that others are studying new ways to fight cancer? Learn more about the innovative medical devices and treatments used in this exciting, lifesaving work.

Did you know that scientists are able to build with atoms, the smallest building blocks of the universe? Advanced devices, materials, and computers are three areas in which nanotechnology is changing our future a few molecules at a time. Learn more about how scientists work with the tiniest objects imaginable.

Oh hey, guess what? The Sun never stops working to keep things on Earth running smoothly. (That's why it's been Employee of the Month for 4.5 billion years.) So why does the Sun get to be the center of attention? Because it's our solar system's very own star! This funny and factual tale from Awkward Yeti creator Nick Seluk explains every part of the Sun's big job: keeping our solar system together, giving Earth day and night, keeping us warm, and more. In fact, the Sun does so much for us that we wouldn't be alive without it. That's kind of a big deal.

Fai sognare i tuoi bambini con l'audiolibro "Raccontare Edward Bach ed i suoi Meravigliosi Fiori". L'ascolto della breve biografia del padre della Floriterapia unita ai testi ispirati dai suoi scritti ed i personali testi poesia dell'autrice sono di ispirazione e aprono la famiglia alla scoperta di un metodo di cura emotivo collaudato in tutto il mondo: i fiori di Bach. L'audiolibro permette ai bambini di dare spazio alla loro immaginazione tramite un libro che punta alla consapevolezza ed alla sensibilità umana.

Learn all about animal communication.

This book provides young listeners with exciting information on the most modern U.S. military ships.

Prepare for a dazzling encounter with the solar system's most glamorous resident in VENUS!—the latest stellar "autobiography" in the OUR UNIVERSE series from the dynamic duo of Stacy McAnulty and Stevie Lewis! Venus! Fierce and Fabulous features music and special effects. Listen along and...

Who do you want to learn about today? This engaging book provides answers to some of the most interesting and entertaining questions that kids love to ask, like, "Who invented the cast?" and "Who flew the first airplane?"

Marie Curie was the brilliant, trailblazing scientist who discovered radium and coined the term radioactivity. She is the only woman ever awarded two Nobel Prizes—one in physics, and one in chemistry. She helped develop the use of X-rays and radiation therapies that have had a lasting impact on medicine and human health.

Wer sich mit Einstein in einen Fahrstuhl begibt, lernt nicht nur den berühmtesten Physiker aller Zeiten kennen, sondern erlebt auch ungeahnte Abenteuer: Angenommen, das Seil des Fahrstuhls reißt. Dann zeigt eine Waage, auf der beide vielleicht stehen, nichts mehr an! Können sie dann überhaupt wissen, dass sie wirklich nach unten fallen und nicht etwa schwerelos im All schweben? Mit Experimenten und Versuchen zum Ausprobieren werden die Hörer anschaulich in die Grundlagen der Mechanik eingeführt.

Welcome to the Equality State! Learn about Wyoming's history, geography, weather, people, and more in this book that's all about our 44th state.

When Neil Armstrong first set foot in the lunar dust, the Earth held its breath. That one small step forever changed our view of what was possible, sparking a dramatic expansion of humankind's cosmic awareness. When we gain a new perspective, a transformation begins, profoundly altering the understanding of the world our human experience had previously granted us.