検索キーワード： 著者 "Liz Huyck" すべてのカテゴリー

Inventing is all about ideas—ideas for making products better or creating new ones. To put these ideas into action, young inventors need tools for tinkering. Find out how to put together your own inventor's workshop with simple tools and common household objects.

If you want to know what's going on, you check the news. But where does the news come from? Where do the reporters get their stories? Reporters ask five basic questions during an interview to gather all the facts and follow a few rules to keep the news truthful and fair.

People have always liked to know what's going on in the outside world. Today we can instantly access the news through the Internet. But how did people get the news before cell phones and TV? From ancient Rome to newspapers and telegraph machines, this story takes a brief look at how people have gotten the news throughout history.

When light has more energy, it creates short waves. When it has less energy, it has long waves. But only a small amount of these waves are visible to humans.

Making the perfect mirror surface of Chicago's Cloud Gate sculpture took a lot of work.

Electrons are extremely tiny charged particles that we can push around with magnets. This provides us with electricity.

Ice is nice, everyone agrees (in summer, anyway). But what is it, exactly?

Do you know how a star is born? Meet Stella, the star! Follow her as she shows you how stars form, live, and eventually go supernova! You will learn these processes as you meet her family—the Sun, Big Blue, and Supergiant. You will see how these different kinds of stars are able to use forces, such as gravity, atoms, and different elements help to create the beautiful night sky. Stella will help you understand how the millions of stars are able to dazzle you every night.

Two coins are face-up side by side. What will happen if you roll one coin around the top of the other? Will the head be right-side up? Or upside-down?

Tiger sharks eat almost anything they can catch. But the practice of dumping garbage in oceans is harmful to these predators who tend to eat something without realizing it isn’t food. This causes tiger sharks to eat license plates and other non-food items they cannot digest.

Not all forest fires are bad. Controlled burns actually help keep the forest healthy, clear the way for new vegetation, and act as a pest control.