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Ever hear a scary story and wonder if it really happened? Your friend's cousin swears it's true. But are there actually alligators lurking in the sewers? Or ghostly hitchhikers haunting… Read More →

Ever wonder if houses can really be haunted? Or how you can tell if there's a ghost in your midst? Read this book to find out—and also uncover facts about spooky historical places, some of… Read More →

Why do tigers have stripes? How do their claws help them hunt? Discover the answers to these questions and learn other fascinating facts about tigers. From their habitat to their physical… Read More →

How do wolves work together to hunt? How long do wolves go between meals? Discover the answers to these questions and learn other fascinating facts about wolves. From their habitat to their… Read More →

Many animals have ways of communicating with one another. But did you know that some animals can communicate on an entirely different level? The animals in this book communicate in incredible Read More →

What do animals do when they're under attack? Some run. Some hide. But did you know that some animals defend themselves from predators by fighting back? The animals in this book defend… Read More →

When it gets colder during the winter, we can go inside and turn up the heat. But what do animals that live outside do? Some of them survive the winter by hibernating. These animals manage to Read More →

Many animals migrate during the year. But did you know that some animals migrate over incredibly long distances? The animals in this book make amazing migration trips—traveling thousands of… Read More →

Lots of animals hunt prey to survive. Many of them attack with sharp teeth and claws. But did you know that some animals have sneaky and clever ways of hunting? Trap-door spiders hide until… Read More →

Did you know that some animals can hide right out in the open? They use camouflage to blend in with their habitat to protect themselves from predators. Some animals can even change how they… Read More →

Bionics uses mechanical and electronic technology to solve biological problems. How does it help people who have lost limbs walk again? How does it return hearing or vision to the deaf or… Read More →

Cryobiologists study how cold affects living things. This research has many amazing uses, but what do icy temperatures have to do with organ transplants? And how can researchers use a freezer Read More →

Every year, doctors and medical researchers make incredible breakthroughs in human medicine. Did you know some are finding ways to build organs in laboratories? Or that others are studying… Read More →

Drones seem to be everywhere. But what is the difference between drones used in the military and those used in civilian life? How fast can drones travel? Users pilot crewless aircraft of all… Read More →

Forensic scientists study evidence to figure out who committed a crime. But how do they determine the cause of death? And how do they use trained dogs and devices to track scents? Learn about Read More →

Did you know that scientists are able to build with atoms, the smallest building blocks of the universe? Advanced devices, materials, and computers are three areas in which nanotechnology is… Read More →

Did you know that robots play a very large role in the lives of humans? They clean our floors, explore other worlds, and work in factories. As computers get smaller and faster, robots are… Read More →

Every year, scientists send people and robots into our solar system to explore space. How are scientists preparing for journeys to Mars? What are robotic explorers and how do they study the… Read More →

Insects, fish, reptiles, birds, amphibians, and mammals make up the six main animal groups. But did you know that each of these groups has a different life cycle? Or that each group has… Read More →

Flowering plants, cone-bearing plants, ferns, and mosses make up the four main plant groups. But did you know that each of these groups has a different life cycle? Or that some plants… Read More →

Carbon is everywhere. It is constantly moving between the air, water, rocks, and living things. But did you know that none of these things would exist without the carbon cycle? Or that humans Read More →