Zeigt Titel in Wissenschaft & Technik

Writing is very important to all of us! But did you know that people in the past did not have the same kind of writing instrument that we use today? Instead of using plastic or metals to create pens, people in the past used feathers to create pens! This story gives a brief history of what people used to write with and how they eventually developed the feather pen! Not only will you have a history of writing, but you will also learn how to create your very own feather pen!

¿Sabes cuál es el verdadero color de un oso polar? ¿O que los ojos del avestruz son más grandes que su cerebro? En esta fascinante guía de nuestro planeta descubrirás fascinantes acontecimientos históricos, asombrosos hechos científicos e intrigantes detalles sobre el cuerpo humano. Sorprende a tu familia y amigos con nuevos conocimientos.

Over time, cultures from around the world have given us many different myths about our home galaxy. When you look up at the sky at night, what stories would you tell about what you see?

Galileo used his telescope to discover new and marvelous mysteries in the night sky!

Why and how do tears form? In response to a reader question, a psychologist explains that feeling overwhelmed is a major cause of emotional tears, which appear to be unique to humans.

The Director of the Sinus Center at Johns Hopkins University explains why our noses start to run in cold weather.

Whether you're an amoeba, a human, or anything in between, you need water to survive. But why? Find out in this informative Q & A.

To understand what it means to be color-blind, you must first understand how most of us see color.

Colors can help identify healthy substances in foods, such as vitamin A in oranges.

Why would Geoffrey Pyke propose a strange idea like building an aircraft carrier from a mixture of ice and wood pulp?

As a female Jewish physicist in Berlin during the early 20th century, Lise Meitner had to fight for an education, a job, and equal treatment in her field, like having her name listed on her own research papers. Meitner made groundbreaking strides in the study of radiation, but when Hitler came to power in Germany, she suddenly had to face not only sexism, but also life-threatening anti-Semitism as well. Nevertheless, she persevered and one day made a discovery that rocked the world: the splitting of the atom.

In 1934, Irene Curie, working with her husband and fellow scientist, Frederic Joliot, made a discovery that would change the world: artificial radioactivity. This breakthrough allowed scientists to modify elements and create new ones by altering the structure of atoms. Curie shared a Nobel Prize with her husband for their work. But when she was nominated to the French Academy of Sciences, the academy denied her admission and voted to disqualify all women from membership.

Sei ein Held, rette die Welt! Wie das geht? Greta Thunberg macht es vor. In diesem Hörbuch erfährst du, was Greta alles tut, um das Klima zu schützen. Außerdem bekommst du viele tolle Tipps, wie auch du dich für unseren Planeten stark machen kannst. Greta ist mittlerweile eine richtige Klimaaktivistin, aber als sie anfing, für das Klima zu kämpfen, war sie ganz alleine. Ihre Geschichte zeigt, dass alle etwas bewirken können. Auch du kannst etwas tun! Mach mit und kämpfe wie Greta fürs Klima.

In this gentle audiobook, Thornton W. Burgess introduces young listeners to tide pools, sandy beaches, and the fascinating creatures of the shore through calm, story-based chapters. Each story unfolds at an unhurried pace, making it easy for children to listen, imagine, and learn without excitement or tension. Narrated in a warm, steady voice, this audiobook is well-suited for bedtime listening, quiet afternoons, or screen-free family time. The chapters stand on their own, allowing listeners to enjoy one story at a time or return again and again to a favorite.

"Viaggio attraverso l'Amazzonia: Un'avventura tra la fauna selvatica" invita giovani esploratori in un viaggio indimenticabile nel cuore della foresta pluviale più grande e diversificata del mondo. Attraverso le pagine vibranti di questo libro educativo per bambini, i lettori si imbarcano in un viaggio attraverso l'ecosistema esteso dell'Amazzonia, dalla densa canopia piena di scimmie chiacchierone e uccelli colorati al misterioso suolo della foresta, casa di giaguari e insetti affascinanti.

Help your young adventurer become a super problem-solver, handle the unexpected, and develop skills they can use for a lifetime. Turn screen time into fun outdoor learning and open up a world of exciting adventure for you and your child. This fun outdoor guide for ages 8-12 combines safety-first, age-appropriate learning with lots of interactive activities that can be done at home, on a trail, in a park, or on a camping trip.

Popcorn is a yummy snack–how is popcorn cooked? From an un-popped kernel, heat boils the water that the kernel naturally has inside it. The water turns into steam after it builds up inside. Scientists used cameras to discover how corn popped! What’s inside the kernel to make an explosive change happen–turning a kernel of corn into a tasty buttery treat–popcorn?

Seth and his talking cat Nightshade arrive in the magical town of Gramichee to gain an apprenticeship: he's finally read to qualify as a magician. But he soon discovers that the existing apprentices are under attack at the town's Scrumdiddlyumptious Cafe, which is far more deadly than it is delightful. Seth's got his hands full, as usual. Can he pass his exams, discover who's murdering the apprentices and stop them before they strike again?

Would you swim with sharks? Many people do! Marine biologists swim with sharks to learn more about these top predators. Snorkelers witness whale sharks and spy spotted leopard sharks. Some thrill-seekers even cage dive to get face-to-face with the giant toothy jaws of great whites!

There’s a new baby joining the herd. It’s an African elephant calf! Learn all about these big babies, including what they eat, what they weigh, how they’re raised, and how big they grow.