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Two soccer players collide on the field. A soldier in Afghanistan is thrown to the ground during a bomb explosion. A teen has an accident while riding her bike—and she isn't wearing her… Read More →

Have you ever watched a home video that went viral on the Internet? Then you've probably heard of the company YouTube. YouTube was created by Steve Chen, Chad Hurley, and Jawed Karim in… Read More →

Do you spend hours tinkering with projects? Do you also love listening to and collecting music? So did inventor Tony Fadell. He combined two of his passions to create the iPod, the world's… Read More →

Can you believe that the first tennis balls didn't bounce? Or that the world's first basketball hoop was a peach crate? Get ready to learn the amazing stories behind inventions you use every… Read More →

Did you realize that swimming suits used to weigh 22 pounds (about 10 kilograms)? Or that the first people to wear high heels were French royalty (even the king!) in the 1500s? Get ready to… Read More →

Experiment: A child is deliberately infected with the deadly smallpox disease without his parents' informed consent. Result: The world's first vaccine. Experiment: A slave woman is forced… Read More →

Did you know that a scientist discovered X-rays by accident? Or that people have been taking pain medicine for more than 5,000 years? Get ready to learn the strange stories behind inventions… Read More →

Did you know that people with rakes used to do the work of garbage trucks? Or that porta-potties were put on ships to keep workers from running to shore for bathroom breaks? Get ready to… Read More →

Did you know that the world's first submarine traveled the Thames River in England way back in 1615? Or that early cars had three wheels instead of four? Get ready to learn the fascinating… Read More →

Honeybees are a crucial part of our food chain. As they gather nectar from flowers to make sweet honey, these bees also play an important role in pollination, helping some plants produce… Read More →

Did you know that President Thomas Jefferson used a copier? Or that one of the world's fastest computers is the size of a two-story house? Get ready to learn the strange stories behind… Read More →

How does iron turn into a brand-new car? Follow each step in the production cycle—from digging up iron ore to hitting the road—in this fascinating book! Read More →

How does grass help cows make yummy milk? Follow each step in the food production cycle—from cows eating grass to ice-cold milk—in this fascinating book! Read More →

How do trees make sweet maple syrup? Follow each step in the food production cycle—from planting sugar maple trees to pouring syrup on pancakes—in this fascinating book! Read More →

How does wheat turn into bread? Follow each step in the food production cycle—from planting wheat seeds to eating toast with jelly—in this fascinating book! Read More →

Are zombies real? As far as we know, dead people do not come back to life and start walking around, looking for trouble. But there are things that can take over the bodies and brains of… Read More →

Have objects from space ever hit Earth? Yes! Every day small meteoroids crash into the atmosphere. Some burn up, but some hit the ground. Space junk also falls to Earth. Comets and asteroids… Read More →

Could there be other planets in the universe similar to those in our solar system? Yes! Scientists have discovered worlds circling distant stars. They call these objects exoplanets. In this… Read More →

What space objects can have millions of times more mass than our Sun, but they remain invisible? Black holes! Their gravity is so strong that not even light can escape. In this book, you'll… Read More →

How can robots help us explore space? A probe called New Horizons is zooming through the outer solar system. It's headed to Pluto. It and other space robots can go where people cannot… Read More →

How long does it take to get into outer space? About nine minutes! Powerful vehicles carry people beyond Earth's atmosphere in a short time. But astronauts train for years before they go on… Read More →

What’s longer than a football field, weighs more than 450 cars, yet flies miles above Earth's surface? It’s the International Space Station. In this book, you'll learn how the station was… Read More →