検索キーワード： 生物学

Probes can explore the depths of space in ways that would kill human beings. The information they provide can spur countless innovations here on Earth. Learn how probes work and the exciting possibilities that their discoveries may inspire.

Space isn't just the final frontier—it's big business! From exploration to space vacations, learn how private businesses are transforming the future of space travel and exploration.

Gorgeous eyelashes. Flashy feathers. Silky hair. The animals in this book are far from drab and dull.

Why do we yawn? Are left-handed people more creative? Why do we have fingerprints? When it comes to our bodies, there are a whole lot of questions we’re still trying to answer. Get ready to explore the unknown and discover how scientists are working to solve the mysteries of the human body.

As humans continue to make amazing discoveries in outer space, we also face a unique challenge—living in an environment that we're not meant to live in. Find out how long-term exposure to outer space affects the human body and what scientists are doing to combat it.

Over the last 400 years, telescope technology has come a long way. From dying stars to burping black holes, take a look at the most exciting discoveries in deep space.

The moon is more than a giant rock orbiting Earth—it could become a gateway into deeper space! Find out how NASA and other international and commercial agencies are working together to explore and build on the moon.

NASA's Orion spacecraft is pushing the limits of space travel and exploration like never before. The ultimate goal is a mission to Mars! Learn about the challenges that scientists, engineers, and astronauts must overcome to make this dream a reality.

Did you know that there are animals all around you that you can’t see without a microscope? Sometimes it’s good you can’t see them. As you shed dead skin cells, thousands of dust mites gobble them up. Gross!

The icy cold Arctic is home to both the powerful polar bear and intelligent orca, two mighty predators. But which animal is the fiercest of the ecosystem? Does the polar bear’s patience in stalking its prey and strength in attack put it on top? Or does the orca’s ability to work in a pod give it the edge?

A tree and your pet look nothing alike, but they have one thing in common—they are both made up of cells. Cells are really small. You can see them only with a microscope.

Go for a hike in the woods and you’re sure to see a wide range of plants. Many colorful flowers and fruits seem perfectly harmless. But don’t be fooled by these beautiful plants. Some plants eat bugs, and some are poisonous, deadly enough to sicken or even kill a person!

Buzz! Buzz! Was that a honeybee or wasp zipping past your ear? While both yellow-and-black striped insects can cause a painful sting, they have many differences.

How did life begin? How many species are on our planet? Can we bring extinct species back to life? When it comes to life on our planet, there are a whole lot of questions we’re still trying to answer. Get ready to explore the unknown and discover how scientists are working to solve the mysteries of living things.

Bugs are everywhere! From large beetles to tiny gnats, bugs come in a variety of sizes, colors, and shapes. Find out all about bug types, behaviors, life cycles, and more in this fact-filled book.

¡Hola! Soy una mariposa monarca. Seguramente me has visto revoloteando por ahí, pero ¿te has puesto a pensar de dónde vengo? Aprende más sobre el ciclo de mi vida desde oruguita chiquita hasta bella mariposa.

Meet unforgettable people and animals in the What a Character! Notable Lives from History series as you enjoy 10 real stories within each book! Written to be fun and engaging for students or anyone with a love for history, these listeners include a fascinating focus on important, influential, and visionary people, along with heroic animal escapades! From scientists to famous women to war heroes and more, there is something of interest for everyone in this exciting series!

Big noses. Weird bodies. Crazy colors. The creatures in this book are far from your average backyard animal.

Lots of teeth. Long legs. Beady eyes. The animals in this audiobook are far from cute and cuddly.

Hi, there! I'm a narwhal. You might not have seen me because I am very mysterious, but I bet you recognize my tusk! Learn more about my life cycle and how I went from a calf to the unicorn of the sea.

Some dogs are black. Other dogs are brown. Some plants have purple flowers and others have white flowers. Living things have different traits that they pass onto their offspring. Let’s investigate traits to learn more!

Animals are living things. Rocks are nonliving. Why? Let’s investigate the differences between living and nonliving things!

Amazing animals live all over our world. But which ones are the strongest, hairiest, or fastest? Listeners will learn all about the most extreme animals living on our planet.

Have you ever heard of a bird that lays its eggs on the ground instead of in a nest? What about a bird that lays eggs in other birds' nests? Young listeners will learn all about killdeers, cuckoo birds, and other birds with unusual life cycles.

Have you ever heard of a reptile that spends most of its life in an egg? What about a reptile that has to lay its eggs on the same beach where it was hatched? Young listeners will learn all about Madagascar chameleons, sea turtles, and other reptiles with unusual life cycles.

Some animals live in water. Some animals live on land. The land that animals live on can be very different. What makes a place the right home for an animal? Let’s investigate habitats!

Measles is an infectious rash that killed millions of people every year before a vaccine was created in 1963. Listen to this book to learn more about the history of this infectious disease.

Have you ever heard of an invertebrate that spends its whole life inside another animal? What about a beetle that spends most of its life underground? Young listeners will learn all about lancet flukes, Hercules beetles, and other invertebrates with unusual life cycles.

Have you ever heard of a male fish that carries eggs? What about a fish that gives birth to live young? Young listeners will learn about seahorses, guppies, and other fish with unusual life cycles.

Plants make pollen so more plants can grow. The pollen needs to get from plant to plant. How does this happen? Let’s investigate pollination!

Falcons dive through the air. These birds of prey can reach speeds of more than 240 miles an hour! Their thin bodies and long, pointed wings help them go fast. Young listeners will be quick to learn all they can about fierce falcons.

Plants are living things. They need certain things to grow and live. What are they? Let’s investigate what plants need to survive!

Genes, although tiny and imperceptible, play a pivotal role in shaping our physical characteristics, unless modified by medical intervention. Originating from the first man and woman, genes come in various types, with Y-Chromosomes and mtDNA being extensively studied by geneticists. Y-DNA is inherited exclusively from fathers to sons, perpetuating through generations of male lineage, while mtDNA is passed from mothers to all their offspring, albeit only daughters can transmit it further.

Animals are living things. They need certain things to grow and live. What are they? Let’s investigate what animals need to survive!

¡Hola! Soy un gran tiburón blanco. No te espantes por mis dientes filosos. Comencé la vida siendo mucho más pequeñito, ¡al igual que tú! Aprende más sobre el ciclo de mi vida desde que era una cría hasta ser el mayor depredador del mar.

Hi, there! I'm a red-eyed tree frog. You might think red eyes would make me stand out, but my green skin helps me blend in with my surroundings. Learn more about my life cycle and how I went from a teeny tiny tadpole to a full-grown frog.

Bald eagles, bees, and bats all fly. But a bee is an insect. A bat is a mammal. And a bald eagle is a bird! Why are these animals sorted into different groups? Let’s investigate animal classification!

Have you ever heard of a frog that freezes solid in winter? What about a toad that carries its eggs on its back? Young listeners will learn all about wood frogs, Suriname toads, and other amphibians with unusual life cycles.

Many animals, both big and small, sleep through long, cold winter months. Learn the process of hibernation and different ways animals adapt to survive in harsh climates.

From butterflies to sunflowers, each living thing follows a life cycle. Uncover the facts of both animal and plant life cycles, and learn how people's actions can impact them.