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Forces and motion are at work all around you—when you kick a ball, ride a bike, or drop a book. But what exactly are forces? And how do they make things move? For thousands of years,… Read More →

A great way to learn about hockey is through statistics, and this book is full of them! From hat tricks and shutouts to penalty minutes and Stanley Cup Championships, explore some of the most Read More →

Humanoid robots can help us learn. They can go places humans can't, such as deep underwater, sending back information we never knew before. Humanoid robots can also aid in search and… Read More →

Law enforcement robots are designed to complete tasks that may be too difficult or dangerous for human law enforcement officers. And like human officers, they work hard to keep people and… Read More →

You've probably played with magnets or seen them on a refrigerator door. But did you know that magnets are used in everything from laptops to electric guitars? Why and how do these magnets… Read More →

On Easter in 1722, a fleet of Dutch ships exploring the southeastern Pacific Ocean came across a small island that at first seemed uninhabited. Instead, the sailors found a community of… Read More →

In 1911 an American explorer came across an ancient city hidden high in the Andes Mountains of Peru. Since then, explorers, archaeologists, and tourists have been fascinated by this beautiful Read More →

Two thousand years ago, disaster struck the ancient Roman city of Pompeii. When Mount Vesuvius erupted, a deadly cloud of superheated ash, rock, and gas descended on the city and its… Read More →

Five thousand years ago, someone (or a lot of someones) shaped and assembled a group of 25-ton rocks in southwest England. We call it Stonehenge. The summer and winter solstices are amazingly Read More →

Massive pyramids tower over the Giza Plateau near Cairo, Egypt. Built in the Bronze Age, these immense stone structures were engineered with remarkable precision. How did the ancient… Read More →

In August 2011, an expedition in the Gobi Desert region of Mongolia uncovered a long-forgotten section of the Great Wall of China. In 2015, nine new sections of the wall were located in… Read More →

Robot competitions are a fun way for people who build robots to test their designs. Roboticists face off in exciting challenges and contests to determine whose robot is the smartest, the… Read More →

Soccer is the most popular sport on the planet, and this book has all the statistics a soccer fan could want—from brilliant goals to World Cup records to legendary team performances. Learn… Read More →

Much of what you experience—from the things you see to the sounds you hear—travels to you in waves. But how do sound and light waves work? For thousands of years, scientists have been testing Read More →