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Perfect for middle grade readers and history enthusiasts, New York Times bestselling author Steve Sheinkin presents the fascinating and frightening true story of the creation behind the most destructive force that birthed the arms race and the Cold War in Bomb: The Race to Build—and...

Ever wonder what crops grow in North Carolina? Or which state park is nearest to your home? Economic and resource maps show what natural resources are in a place and how people in that place earn money. They can also include data about industries. But how do you use these maps? And what goes into the process of creating them? Listen to become a map whiz!

La respuesta a esta pregunta es una de las historias más extrañas y fascinantes que hayas leído nunca, y es nuestra historia, la historia de la humanidad. Prepárate para descubrir por qué todas las personas, los países, los idiomas y las religiones son diferentes a como eran antes en un viaje que recorre el desarrollo humano desde nuestros antepasados hasta llegar a quienes somos ahora.

Many inventors throughout history have built cars. Some tried powering their machines with steam, others tried modeling their designs on horse-drawn carriages, and one even found a way to make the car work on land and sea!

Welcome to South Africa! Hear the sounds of 11 official languages. Learn about lions and elephants on safari. Try new sports like cricket and rugby. Learn about the people, places, and traditions of this diverse African country.

Colección de audiolibros sobre geografía. Descubre el mundo a través de sus paisajes, culturas y geografías, aprendiendo sobre continentes, países y ciudades.

Learn about growing a garden.

Beim Hören wirst Du verstehen, warum Sterne leuchten und was das mit tanzenden Teilchen, Luftdruck und Wärme zu tun hat. Mit dem Kohlenstoff-Kreislauf des Lebens, CO2 und Pflanzen. Mit der Entstehung des Universums, der Milchstraße und unserer Welt. Du wirst verstehen: Bei dieser kleinen Frage geht es um Leben und Tod. Und um Bausteine, die in Sternen entstehen. Bausteine, aus denen alles auf dieser Erde gebaut ist. Auch wir. Denn wir sind aus Sternenstaub. Wir schauen nicht nur in den Sternenhimmel. Wir sind ein Teil davon.

Könnt ihr euch vorstellen in einer Gegend zu wohnen, die fast das ganze Jahr über mit Eis und Schnee bedeckt ist? Ralph und seine drei Freunde Georg, Mo und Belle sprechen mit Menschen, die in den eisigen Gebieten arbeiten und forschen. Außerdem treffen sie ein Mädchen, das mit Rentieren zusammenlebt und helfen beim Bau eines Iglus. Mit viel Humor und immer der richtigen Portion Ernsthaftigkeit vermittelt Ralph Caspers im neuen Hörspiel zu den beliebten GEOLINI MINI-Heften seinen kleinen Zuhörer*innen „Alles über die Arktis und Antarktis“.

The Sun gives life to our planet, but it also produces some amazing phenomena. From sun dogs and green flash to solar flares and sunspots, The Science Behind Wonders of the Sun looks at some of these phenomena, explaining how and why they occur.

Did you know that people with rakes used to do the work of garbage trucks? Or that porta-potties were put on ships to keep workers from running to shore for bathroom breaks? Get ready to learn the odd stories behind inventions you use every day. From the T.P. of Chinese emperors to the landfills of ancient Greece, you'll find out how we got the sanitation inventions that keep us healthy and keep the world smelling fresh.

Hippos are big animals that live in Africa. Hippo calves are born underwater. They are strong swimmers. Baby hippos spend most of their time in the water. Their mothers help them stay safe from predators. How do baby hippos grow and change? Listen to this book to find out! This title also includes fun facts, a glossary, and more!

Ever wonder what goes on inside your computer? Take a look into how processors, networks, and more are all connected.

Sweet purple lilacs bloom. Tulips poke through soil. Cherry blossoms open. Spring is here!

What does a veterinarian do? Let's find out! Dr. Kate is a veterinarian. She visits a school to give Henry, the class guinea pig, a checkup. She shows the class the tools she uses. She tells them about the many things vets do. And the students learn how to take good care of Henry. Hooray for veterinarians!

What does a doctor do? These kids have a few ideas. But to learn more, they talk to Dr. Zambil. He tells them how he helps sick or hurt kids feel better. He sees healthy kids to help keep them healthy. He even helps train new doctors. Let's hear it for doctors!

Do you want to learn more about police cars? Police dogs? Other tools the police use? Then it's your lucky day! Officer Gabby is a police officer. She knows how to keep people safe. She shows a group of kids how she does her job. Three cheers for police officers!

Whiteboards, computers, and stickers. What do these things have in common? They're all tools Ms. Crawford uses in her job. Ms. Crawford is a fourth grade teacher. She invites a group of students learning about community helpers to visit her classroom. She shows them the many ways she helps her students learn. Hooray for teachers!

What do construction workers do? Some lucky kids are about to find out! They visit Mr. Moore, a construction worker who's helping to build a new school. He shows them machines that dig big holes. He explains how he follows the building plans. And he tells about different workers and how they stay safe. Hooray for construction workers!

Sunlight, air, water, and minerals help keep plants alive. But do you know how much water is needed for a seed to sprout? Or what a plant will do to find the light it needs? Let's experiment to find out! Simple step-by-step instructions help listeners explore key science concepts.