検索キーワード： 科学・テクノロジー

For centuries, people misunderstood how the heart works. As our knowledge grew, heart surgery remained a dangerous medical procedure. Even after organ transplants become common, surgeons struggled to transplant hearts and keep patients alive. But small groups of pioneering doctors attempted this difficult surgery, changing the lives of patients. This history traces their leap forward and the medical world's newest advancements in heart health technology. Learn about innovations such as artificial hearts and 3D-printed living tissue.

Earth is home to trillions of germs. But for most of human history, people didn't know germs existed! Healers of the past had different ideas about illnesses and their cures. They blamed illnesses on other causes and sometimes tried dangerous treatments. The invention of tools such as the microscope changed everything, allowing doctors and scientists to see germs and study their effects. This vivid history profiles the people who helped discover germs. Discover the ongoing breakthroughs in research—and germs' surprising benefits for safety and sustainable energy.

Video games evolved over decades from simple consoles to cutting-edge entertainment in homes and arcades. In the twenty-first century, they've also become some of the world's most popular apps. Find out more about the technological innovations, major players, and controversies that have made video game history. And from the role of game cartridges to the power of the internet, learn how new inventions keep taking gaming to the next level.

Why should the bright and flashy animals get all of the attention? If you look closely at some seemingly ordinary animals, you may find a colorful surprise. A lizard is brown. A hippo is gray. But wait! The lizard has a blue tongue to scare predators, and the hippo has pink "sweat" that protects it from the sun! Enjoy author Jane Park's rhyming nonfiction text in this playful exploration of animals' hidden colors.

Lena Blackburne loved baseball. He watched it, he played it, he coached it. But he didn't love the ways players broke in new baseballs. Tired of soggy, blackened, stinky baseballs, he found a better way. Thanks to a well-timed fishing trip and a top-secret mud recipe, Lena Blackburne Baseball Rubbing Mud was born. For seventy-five years, baseball teams have used Lena's magic mud to prepare baseballs before every game. Listen to the story of how Lena's mud went from a riverbank to the major leagues and all the way to the Hall of Fame.

Vaccines have been used to safely introduce people's bodies to diseases for centuries, and they save millions of lives each year. By giving people a weakened or dead version of a disease, a vaccine allows the body to develop antibodies which recognize and fight the disease later on. Early vaccinations used dry scabs from smallpox to promote smallpox immunity. Doctors and scientists across nations took and improved the method, developing vaccines for health crises from whooping cough to polio to COVID-19. This history features famous cases and current challenges.

Cell phones allowed people to connect on the go, and smartphones have transformed the way we share information. From the earliest landlines to the minicomputers that link people across the world, discover the shifts in phone technology that shaped modern communication—and the people who made them happen. This history also shows the big changes in design, size, and battery life that took place before mobile phones hit the center of popular culture.

These creepy creatures will make your skin crawl! Learn about blood-sucking leeches, smelly stinkbugs, giant centipedes, and more. See how their disgusting behaviors keep these animals alive.

These gross animals are fleshy, slimy, and deadly! Learn about blood-sucking fish, stinky skunks, scary goblin sharks and more. Discover how disgusting traits help these animals survive.

Shazam Sisters is a children's book that highlights five women in history who pushed through barriers, and always held a curious mind for the world around them. The innovative style of the stories along opens a child's mind to imagination and the possibilities that await them. These amazing women did not allow the restraints of society to define them. They defined their place in society with tenacity and determination.

What would you do if you turned on the faucet one day and nothing happened? What if you learned the water in your home was harmful to drink? Water is essential for life on this planet, but not every community has the safe, clean water it needs. In When the World Runs Dry, award-winning science writer Nancy Castaldo takes listeners from Flint, Michigan, and Newark, New Jersey, to Iran and Cape Town, South Africa, to explore the various ways in which water around the world is in danger, why we must act now, and why you’re never too young to make a difference.

The human body is full of many wonders, some of which we have yet to explore! There's so much to discover, especially for young scientists! Jump-start your child's learning of biology with this program. In this book, kids will take a journey with Dr. Discovery Jones on an exciting and educational journey throughout the human body looking at the cells, the tissues, and the organs! Filled with fun facts, this book will fill young and curious minds with a great foundational knowledge of how the human body works.

What do you want to be? Will you have friends? Will you like working hard? Will your boss be nice? Listen to the book and find out!

Meg Lowman was always fascinated by the natural world above her head—the colors, the branches, and, most of all, the leaves and mysterious organisms living there. Meg set out to climb up and investigate the rain forest tree canopies—and to be the first scientist to do so. But she encountered challenge after challenge. Male teachers would not let her into their classrooms, the high canopy was difficult to get to, and worst of all, people were logging and clearing the forests. Meg never gave up or gave in.

All his life, William Stanley searched for a wild place of his own. Growing up in the straightened-out city blocks of his childhood and finding some respite in summer trips to a cabin in the woods, he yearned for space, fragrant soil, tall trees, and the silence that surrounds them. In Hawaii, he learned of acres of land depleted from toxic agricultural practices, and he became determined to restore that land and create one of the most comprehensive palm gardens in the world.

A tiny honeybee emerges through the wax cap of her cell. Driven to protect and take care of her hive, she cleans the nursery and feeds the larvae and the queen. But is she strong enough to fly? Not yet! Apis builds wax comb to store honey and transfers pollen from other bees into the storage. She defends the hive from invaders. And finally, she begins her new life as an adventurer. The confining walls of the hive fall away as Apis takes to the air, finally free, into a clear blue sky full of promise.

La Balsa es un relato imaginario del naufragio de la Corbeta francesa Felicidad (Félicité). Esta historia nos anima a mantener el sentido de propósito y fe que debe siempre acompañarnos en cada proyecto de vida que nos tracemos, para poder hacer frente a cualquier adversidad y salir fortalecidos ante cada situación que se nos presente. Después de cada tormenta viene la calma y este cuento te invita a ver brillar la luz del sol después de navegar en las turbulentas aguas de sus narraciones y diálogos.

Inside every loggerhead turtle is genius: the ability to find their first home, no matter how far away. Follow one, from her birth on a beach in Australia...to her trip across an ocean filled with sharks and seahorses and much more...to her rescue from a net by a fisherman, who names her Yoshi...to her rehabilitation at an aquarium...to her record-breaking swim across the Indian Ocean to the beach on which she hatched, to lay her eggs.

”Hello, World!” is the first line of text every robot ever prints when first being programmed. Just like that robot entering the world for the first time, we’re here to say “Hello, Scratch!” as we enter a whole new world of programming for children. Getting started with Scratch is not only a great way to get a taste for programming, but also the perfect stepping stone to get you or your child on the way to more complex languages like Python or Java. Learning programming languages can also lead down a variety of career paths for your future.

No matter what you answer, kids will just ask why again. Is your child full of questions? Do you find these questions to test your own knowledge? Well, look no further: Now you have the answers, and they are not boring ones! Encourage your child’s imagination through these fairy tales for children. They will answer some of the common questions that we parents are often asked. The Book of Why for Curious Kids will help you give fun and creative answers to your child’s strangest questions, encouraging them to develop their imagination.