Grade 4

Verse forzado a dejar su hogar es algo que nadie quiere experimentar. Pero el cambio climático está causando inundaciones, nuevos patrones meteorológicos y la destrucción de casas y ciudades. Read More →

The gray whales migrate further than any other mammals. They are always on the move. It's an endless journey to eat, breed and to move with the seasons. Where do you think the gray whales are Read More →

Have you ever moved from your home to a new home? Animals and people move around all the time. Sometimes they move short distances and at other times they move far away. This long distance… Read More →

Miguel Cabrera always knew that he wanted to be a baseball player. He grew up next to a baseball field in Venezuela, and most of his family played the game. Miguel became a star with the… Read More →

Alpine skier Mikaela Shiffrin won her first world championship in slalom in 2013. She was just getting warmed up. In 2014, she won a gold medal in the same event as a member of Team USA at… Read More →

Mike Fink was the best keelboater on the river, and he was the first to admit it. He knew the river’s tricks. He could ride a waterfall like a bucking bronco, and he even wrestled… Read More →

Mike Trout's size and speed have made him a standout baseball player, even in his earliest games. But he would not have earned a spot on the Los Angeles Angels without a strong will to work.… Read More →

Center fielder Mike Trout has racked up more home runs and stolen bases faster than any player in MLB history. Follow this Los Angeles Angels star as he continues to rise. Read More →

Miley Cyrus looks up to Dolly Parton. But Parton isn't just Cyrus's godmother—she's also her inspiration. From performing onscreen to creating music together, learn how they write songs, what Read More →

Robots are used in all branches of the military. They help service members with all sorts of jobs on land, in the air, and underwater, and help keep everyone safe. Discover the history of… Read More →

US military robots can be the size of tanks, animals, or footballs. These amazing machines do jobs too dangerous for humans and help keep soldiers safe on missions. They can even go places… Read More →

If you could hike to the moon, how long would it take? Just how many glasses of lemonade would you need to fill an Olympic-size swimming pool? If everyone on Earth owned exactly the same… Read More →

Welcome to the intelligence revolution! This exciting book introduces young readers to the world of artificial intelligence—from its fascinating history to its groundbreaking impact today.… Read More →

Sometimes we can get stuck in our thoughts. This can also make us stuck in how we are feeling. What are some examples where we might get stuck on a thought and then feel a certain way? Does… Read More →

From little shelters to castles to skyscrapers, you can build anything you imagine in Minecraft. Get tips and tricks for finding materials, using tools, making redstone machines, and… Read More →

You never have to worry about running out of ideas in Minecraft's Creative Mode! Discover slick tips on how to use your inventory, design cool builds, or learn how to fly. In Creative Mode,… Read More →

Do you play computer games? If you do, you've probably played Minecraft. When Minecraft creator Markus Persson was young, he wasn't very interested in the games themselves. He was more… Read More →

You can farm anything from pumpkins to potatoes in the incredible world of Minecraft. Explore raising animals such as chickens and cows or improve your green thumb by growing crops. There is… Read More →

Maps don’t just help you find your way through the world of Minecraft. They also keep track of where you’ve been! Learn about where to find maps, how to use them, and even how to create your… Read More →

Going on a mining trip is always exciting in Minecraft. Learn about dangerous mobs, rare ores, and the tools you need to explore the caves like a pro. There are so many things to find in… Read More →

In Survival Mode, players have only ten minutes of daylight before hostile mobs spawn at night. That’s why it's important to build shelters and make weapons. Learn tips on how to craft, what… Read More →

Learn the extraordinary story behind one of the most-played electronic games. See how Mojang, the makers of Minecraft, grew from a small tech start-up into a gaming company worth billions in… Read More →