検索キーワード： 科学・テクノロジー

Young listeners are introduced to environmental issues in their own neighborhoods in this nonfiction book.

Have you ever ridden a roller coaster? They’re a lot of fun, but a lot of physics is involved in making those rides work. The momentum built up by energy and speed keep those trains on their tracks and riders in their seats, even when they’re upside-down!

Un interesante recorrido por la historia de la medicina, que recrea la época en la que los médicos eran magos y hechiceros, las operaciones se hacían sin anestesia y en cualquier sitio, los cirujanos no eran médicos sino peluqueros y la gente se moría por enfermedades que hoy son fácilmente curables. La historia contada a través de los descubrimientos y avances científicos que hicieron de la medicina lo que es hoy.

Este libro tiene como objetivo la divulgación científica de forma comprensible para cualquier persona, independientemente de su formación previa. Está especialmente pensado para niños y jóvenes de edades comprendidas entre los 10 y 16 años y recoge un amplio espectro de temas de interés, como son la Tierra, el cuerpo humano, la biología, la física y química, la tecnología o las matemáticas.

Did you know that Hawaii is still being built, even today? Heidi learns all about how Kilauea, the most active volcano in the world, erupts and spills more lava every day, making the island grow! She also gets to visit Mauna Loa, the biggest mountain in the world. What do you think it might be like to visit?

Many things look very different seen up close. To us, the sun is a giant ball of light in the sky, but to other solar systems, it might look like just another star! Those tiny lights you see in the night sky are what our sun might look like from another planet far out in space. The sun gives light and energy to our entire solar system, and is necessary for many other things. Can you name them all?

Flowers may look pretty, but some can be downright deadly! In England, you can explore the Poison Garden—a place where flowers are known for their beauty on the outside and poison on the inside! In this story, you'll be able to learn about and see these flowers safely without interacting with them.

Inside every seed waits a tiny plant, ready to grow. Watch the process of a pumpkin plant from tiny seed to full-size fruit! You'll also see other plant seeds, which come in many different sizes, shapes, and colors. Some can be as big as your head, but poppy seeds are so little you can hold hundreds in one hand!

Have you ever wondered how war machines were created? Or the origin of beauty salons? Or maybe even how rubber is used in tires, and rubber shoes? Learn more about these renowned inventors and how their inventions helped shape modern life into the way we know it now!

Have you ever gotten bored when the weather is too bad to go outside for recess? Bored students and bad weather inspired James Naismith to invent the game of basketball in the late 19th century. Using a soccer ball and peach baskets, Professor Naismith worked out the rules of the new sport at the local YMCA.

See how the science of physics is utilized not only in the kitchen, but also around the house on a daily basis. Simple machines are everywhere! From brooms and rolling pins to lightbulbs and window blinds, basic everyday kitchen items transform into scientific concepts such as screws, levers, ramps, and wedges!

Why does a baseball travel much faster when hit with a bat than if pitched? Learn how force is applied in this fun experiment! Using a marker, a ruler, and a can, you can perform your own lever experiments. You'll understand the power of weight, such as how a balance beam operates, but on a smaller scale, while learning about the science behind balance.

A bicycle is a fun and efficient way to get from one place to another. But have you ever wondered what parts make up a bike? Some bikes have hand lever brakes while others do not. Riders with more experience usually set their seats a bit higher than those with less experience.

What comes to mind with you think of fungi? Is it mushrooms, or perhaps mildew? Mold and yeast are fungi, too! Learn all about how fungi reproduce with spores, and how their bodies are made up of mycelium!

There have long been legends of a curse bestowed upon anyone who disturbs the final resting ground of an Egyptian pharaoh. Lore surrounding these curses claim that they may bring bad luck, illness, or even death. The legend of the curse of King Tutankhamun's tomb spread after odd circumstances and mysterious deaths seemed to follow Howard Carter's research team shortly after discovering and unsealing King Tut's tomb in 1922. It was one of the greatest archaeological discoveries of all things Egyptian—including a desire for the very wealthy to own actual mummies.

Did you know hot air balloons were dreamed up by a French boy in the 1700s? Joseph Montgolfier devoted his life to experiments that he hoped would allow him to fly. With the help of his little brother, his invention allowed humans to fly for the first time in history!

Have you ever wondered why most people can eat foods like chocolate, but dogs cannot? Or why you may get sick after drinking one too many sodas? Learn more about how some poisons are used for good. Some poisons can be used in medicines, but remember: too much of a good thing can be bad for you!

Have you ever visited the Grand Canyon? As one of the world’s seven wonders, millions of people have visited this landmark. Have you ever wondered how it was formed? Learn how the 3 "R"s- Rock, Rivers, & Erosion, have led to the formation of the Grand Canyon and the changes it undergoes in present day.

Click loves flowers! If he could have anything he wanted in his garden, he would choose flowers with a variety of different seeds, bulbs, leaves, and stems so he could enjoy all sorts of pretty colors and interesting plants! Did you know that orange blossoms turn into fruit, or that a pussy willow’s flowers are called a catkin? Follow along with Click and learn all sorts of cool flower stuff!

Do your shoes fasten with Velcro straps? Have you ever wondered where this strange invention comes from? Sometimes nature provides excellent inspiration for new solutions! Plant burs stuck in his dog's fur gave Swiss engineer George de Mestral a good idea.