Showing titles in Science & Technology

Do you know how many animals live in the Amazonian rainforest? Learn about the different predators and prey that coexist and depend on one another to survive. See how all life within a rainforest serves different roles and leads to a successful ecosystem.

Jeff and his cousin Liz are waiting to see the solar eclipse! Together, they learn about why eclipses happen and why seeing one is special. Do you know why eclipses happen? Learn how the moon and sun interact with Earth in order to create this solar spectacular!

How do you know that spring is finally coming? The geese, of course! All you have to do is look for the V-shape in the sky and listen for all that honking as they migrate back from Canada!

Some kids are born missing a hand or fingers, others lose them because of accidents. Find out how people are printing artificial hands on 3-D printers to help those who need a hand. They are cheap, easy to build, and really work!

Many inventors throughout history have built cars. Some tried powering their machines with steam, others tried modeling their designs on horse-drawn carriages, and one even found a way to make the car work on land and sea!

How would you survive a meteor impact? Learn about the different ways some plants and animals survived the meteor that killed all the dinosaurs! Do you think you could adapt as well as these tough creatures?

Artificial replacement joints have to be tough and extra smooth. That’s why doctors use replacement joints made with the same long-lasting and strong stuff as sapphires and rubies, a natural mineral called alumina. Learn more about why this gemstone is perfect for making new joints!

If you’re looking for a great invention, look no further than your bathroom or kitchen! Did you know that the first flushing toilet was invented four thousand years ago? Or that a melted chocolate bar sparked the discovery of the microwave? Learn about these great inventions and more!

Auto racing is all about aerodynamics. Racecars use two different forces, lift and drag, to fly around the track. Find out how the cars use these forces, and then “fly” your own racecar with a fun experiment!

Did you know that writing letters used to be the only way to communicate with people far away? Samuel F.B. Morse changed all of that when he invented the telegraph and Morse code! Using wires and electromagnetism, Morse found a way to communicate over long distances almost instantly. This new technology paved the way for the telephone, as well as the other methods of communication we use today!

Have you ever looked at a skyscraper and wondered how it was built? Do you ever look up at a tall building and wonder how it does not fall down? This story helps you explore the changes that have led to the creation of skyscrapers! You will get to see the different materials that have been developed to allow for better stability. You will get to understand how things like iron, steel, and concrete have revolutionized the way buildings are built and designed. By the end of this story, you will have a new appreciation for the skyscrapers that are all over the world!

Would you believe that two NASA scientists used a baby toy to inspire their design for the next generation of space explorers? Listen to learn about how Adrian Agogino and Vytas SunSpiral designed the SUPERball Bot and what their plans are for the future.

Can you imagine having to sit still for 30 minutes just to have your picture taken? Or having to send film away to be developed? Technology has come a long way since then! Listen to learn about photography inventions like flashbulbs, Kodak and Polaroid cameras, and more!

In medicine, machines can be used to take detailed pictures of bones and even to save people’s lives. Listen to learn about the marvelous machines of modern medicine, like the defibrillator, the x-ray machine, and more!

Have you ever wondered how tall and long bridges are built? Learn about three different bridges and try the activities to learn about how strong bridges, like the Golden Gate Bridge, are made.

Follow Detective Dobson as he investigates Earth's greatest "mass murderer" that led to the greatest extinction event in Earth's history nearly 250 million years ago. Dobson will travel the world investigating fossils—the evidence left behind by the killer that was left behind in the Earth’s crust. Who really was the killer? Was it a Volcano, Climate Change, Poisonous Gas? Help Detective Dobson find the real suspect with paleontology and geology! Will Dobson ever be able to truly find the killer?

¿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.

Look no further than The Solar System for Kids Six to Eight! This book is the perfect resource for children ages six to eight who are curious about the planets, stars, and other celestial bodies that make up our galaxy.

Mystified by money? Discover how it shapes the world we live in with Dragon’s Den investor and entrepreneur Deborah Meaden.

With this book about ancient Egypt, you’ll become an expert and wow your friends and teachers with awesome ancient facts: Did you know that some Egyptians used to shave their eyebrows whenever a cat died? Or that some people worshiped a god of lettuce? With cool trivia, and fun quizzes to test your knowledge, this guide will have you on your way to whiz-kid status in no time.