検索キーワード： 科学・テクノロジー

One thing that hasn't changed much at all in the last 10,000 years is the human brain. The relentless curiosity of the human mind, combined with our ability to solve problems, has resulted in huge innovation and change. Here, then, are some of the most revolutionary ideas of the last 300 years.

Nani has always dreamed of being a princess. When a real Hawaiian princess comes to her hometown of Hilo, Nani dresses in her best clothes. But as she watches Princess Luka, who has come to save the town from a volcanic lava flow, Nani learns that there is more to being a princess than fine clothes. This incredible story of kindness and generosity is based on the historical events of the 1880-1881 eruption of Mauna Loa on the Island of Hawai'i and the real-life Princess Luka.

Do you like to gaze at the stars? So did the young Stephen Hawking. Eventually, he turned his fascination with the night sky into a career of trying to figure out how the universe began and how it works. As a child, Hawking loved the stars and he loved math class. In college, he studied physics and cosmology, or how the universe came to be. But then he was diagnosed with amyotrophic lateral sclerosis (ALS), a disease that shuts down the nerves that control muscles.

There's a lot to know about the largest country on Earth! Let's visit Russia, and learn what makes it special. What foods do people eat there? What animals can live in the tundra? Explore the answers to these questions and more through carefully leveled, age-appropriate text.

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!

Have you ever had a toothache? Or gotten your teeth cleaned? Dr. Florez could help you out! She's a dentist, and today she has an office full of curious visitors. They try out her dentist's chair and look at X-rays of teeth. They also learn how she helps patients keep their teeth clean and healthy. Hooray for dentists!

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!

Los lectores principiantes aprenderán sobre los patrones básicos del Sol y la Tierra y lo que causa día y noche.

Learn all about the human body with this audio bundle of Kay's Anatomy and Kay's Marvellous Medicine from bestselling author, Adam Kay. From what's going on inside our bodies, to when and why we discovered how our insides actually work, Adam Kay has every (slimy and smelly) detail covered!

A tree suns and sways in the forest. She is a place to grow, to rest, and to shelter. But what happens when a tree falls? The answer will make your heart soar. In this lyrical book, explore how the extraordinary nurse log provides a nutrient-rich space for new seedlings, shelters small animals, hosts different plant species, and, most profoundly, nurtures a new tree in the process, renewing the cycle of life.

Collection of audiobooks about the environment. Understand the importance of caring for the environment and the actions we can take to protect it.

Have you ever wondered how the Hoover Dam was built? Follow along as the Colorado River itself tells you its story! A lot of work went into the construction of this giant dam, but it was worth it—we now have Lake Mead and a way of converting the river’s energy into electricity!

Forests create the air we need to breathe. They provide shade and homes for people and animals. They give us wood for fuel and for building materials. And they are beautiful spaces! But deforestation means humans are destroying more forests every day.

When a terrible drought struck William Kamkwamba's tiny village in Malawi, his family lost all of the season's crops, leaving them with nothing to eat and nothing to sell. William began to explore science books in his village library, looking for a solution. There, he came up with the idea that would change his family's life forever: he could build a windmill. Made out of scrap metal and old bicycle parts, William's windmill brought electricity to his home and helped his family pump the water they needed to farm the land.

Some race cars look a lot like regular cars. Others have thin bodies and open wheels. Some race on dirt, while others race on smooth paved tracks. But they all have one thing in common...speed!

Gorillas are the largest primates in the world! These gentle mammals roam through the jungle, living in big groups as they search for fruit and bamboo shoots to eat. Climb through the trees to learn all about these strong, social primates.

The "My First Encyclopedia Set" series takes you on a journey through time, immersing you in the era of dinosaurs, allowing you to sense the power of life, and experience the fascinating realm of science.

What exactly is a robot? How do they talk and move? And what does it take to build one? Ada Twist, Scientist: The Why Files is the perfect nonfiction resource for all these questions and more. Based on the bestselling Questioneers series and the Ada Twist, Scientist Netflix show, this nonfiction series is perfect for the youngest scientists of tomorrow as they learn along with Ada.

The important science concept of plant growth is featured in this beautiful, easily accessible book on roots. Simple, engaging text describes roots and how they help plants live and grow.

What is it like to live in or visit South Korea? What makes South Korea’s culture unique? Explore the geography, traditions, and daily lives of South Korean people.