Science & Technology

If you take a hike on a warm summer day, you'll see bees collecting nectar, foxes feasting on fruits and berries, and more! Learn about what animals do in the summer to get ready for the long winter ahead.

During the rainy season in the marshlands, Alligator has almost nothing to eat. When the dry season comes, Alligator digs a hole in the pond and waits for the animals to return. Without Alligator and her hole, there would be far fewer animals living in the marsh.

After a wizard, a witch, and a goblin all fail to transform a frog with their magic wands, two scientists need to explain the rules of reality. While you can't actually turn frogs into diamonds, there are plenty of magical things that science can do!

From the invention of the wheel to the marvel of electricity, from the groundbreaking medical discoveries to the wonders of the digital age, Top 101 Inventions Of All Time! celebrates the brilliance of human creativity and ingenuity. Whether you're a history enthusiast or simply curious about the marvels that surround us, this book promises an enlightening and exhilarating journey through the realm of invention.

Have you ever looked into the night sky and wished that you could walk on the Moon? Find about what it is like from the astronauts that were first to do it! Learn about how Neil Armstrong, Edwin Aldrin, and Michael Collins traveled into space and created history in 1969, and what it was like to take those famous first steps that made “one giant leap for mankind."

Have you ever wondered how your body grows? Learn about how your cells and DNA help your bones and body grow into a healthy adult. See how our bodies grow the way that they do and how they know when to stop!

Did you know your eyelids close and open 10 to 20 times a minute! Your eyes have parts that work together. The pupil lets light into your eyes. The iris controls how much light gets in. The cornea, a bowl-shaped layer, covers and protects your eyeballs. Discover how hairs on your eyelashes protect your eyes from germs and dirt, and other ways your eyes help you see and keep you safe!

The nose helps your body do more than just sniff and smell yummy foods! Without your nose, your favorite foods won't taste as good, your lungs won't have the warm air needed to stay healthy, and germs from outside your body will have an easier route in! Did you know your body makes mucus to wash away germs that find their way in your body? Discover how fabulous your nose really is!

Have you ever wondered how your senses work? Learn about the interesting ways your senses allow you to perceive the world around you by doing the fun tests with some friends! Learn about how your sense of smell and taste are affected by completing these fun activities!

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?

Have you ever wondered what it was like to live without electricity? Before the invention of the light bulb, people had to find ways to live and work around nighttime and darkness. From different sleep schedules to making candles, people found different routines to help illuminate the darkness they experienced each night. Would you have been able to live during this “dark” time in history?

In ancient China, an alchemist mixed an exploding medicine and accidentally invented gunpowder. Learn about the development of gunpowder and other explosives, like nitroglycerin and dynamite, in this fun feature.

Tiny creatures called microbes live in, and on your body that can be helpful. But some are bad like bacteria and viruses–in fact, they can make you sick! Your body needs medicine called antibiotics to fight and kill these germs so you can feel better. You must get a different medicine called a vaccine to keep from catching a virus.

Tensions continue to rise between the Soviet Union and the United States as they engage in a Cold War. One of these battles was the space race. Learn how both countries began engineering and scientific effort to be the first to travel into space and back to Earth and the technology necessary to operate in it. See how scientists fight for peace as they begin their efforts to explore the unknown.

"Houston, We have a problem"! During the Apollo 11 moon landing, as many as 400,000 people had jobs that were essential to the successful mission. Learn about aeronautics and the different jobs in the field that helped man take the first steps on the moon and expand our understanding of the solar system. Who was one of the first women to work at NASA and what role did she have?

What is a space archaeologist? After decades of leaving behind old pieces of equipment orbiting in space, scientists want to clean it up. An archaeologist determines what is important to save for the history of human space exploration. Learn about new efforts to identify and even retrieve old space equipment! How should scientists determine what should be preserved or what is junk?

An article that describes the Apollo 11 Moon landing mission in July 1969.

Have you ever been sick with strep throat? It's an illness caused by bacteria that gives you a painful sore throat! Learn how doctors can diagnose it by your symptoms and a test, and how medicine can cure strep throat so you can get better. Be sure to take all of the medicine until its gone if you have strep. You might even impress your doctor on your next visit with your new knowledge!

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?

How are balloons able to float? Is it magic–or is it one of earth’s elements, like iron or oxygen experiencing an explosive charge? Helium is formed when unstable atoms collide. Helium is found underground with other gases, like methane, which is the main ingredient in natural gas used to heat our homes! Learn how helium was born, and how exploding stars helped create a gas lighter than air!

How smart can humans really be? According to a panel of expert canines, we're awfully confusing! We ignore the fact that we have a big water bowl in the bathroom, and don't even re-eat our vomit! Follow along and see why our pets might think we're a little silly.

Have you ever wondered why the days are so long in the summer and short in the winter? Or why we have hot weather and colder weather? Read on to learn about the Earth, how it spins around the Sun, and the seasons!

Imagine if the sunlight could not reach where you lived–the weather would be cold and slippery! The sun does not shine directly on the Arctic and Antarctica, causing the surrounding waters to freeze solid. The earth is tilted as it rotates around the sun, preventing the polar regions from getting enough sunlight. Can you guess how long it takes the earth to orbit the sun?

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!

Have you ever wished you could have Harry Potter’s invisibility cloak? At some point soon, you just might be able to get one! Scientists are experimenting with a special material that bends light so the material is concealed. They still have a long way to go, but if they succeed, it could be one of the coolest inventions of the century!