Science & Technology

As darkness falls over the Amazon rain forest, a large black caiman waits in a slow moving, muddy river. Only the reptile's eyes and nostrils are visible above the water. The caiman is… More →

How does a tiny tadpole turn into a huge frog? How does a chicken egg form and eventually become a chick? Beginning readers will learn through simple steps and fascinating, informative photos More →

In the murky rivers and tangled jungles of the Amazon rain forest live some of the world's most skillful and fearsome predators. These powerful hunters are at the top of the food chain. They… More →

In the Amazon River lives one of the largest freshwater fish on Earth--the arapaima. This huge river hunter can grow up to 10 feet long and weigh 400 pounds. In its watery home, the arapaima… More →

A monarch butterfly flaps its orange wings. It once started life inside a tiny egg. So how did it develop? Beginning readers will discover how a caterpillar wriggles free from an egg, forms a More →

The sun is rising over the Amazon rain forest. A giant otter slides down a muddy bank into a river. Splash! Within seconds, the otter's sleek head bursts back out of the water. In its jaws is More →

A long, snakelike creature moves slowly through the waters of a muddy river in the Amazon rain forest. It's an electric eel on the hunt. The hungry creature swims closer to a large piranha.… More →

A chicken pecks the ground looking for food. It was once a tiny embryo inside an egg. So how did it develop? Beginning readers will discover how an embryo inside an egg grows into an adult… More →

A bullfrog plops into a pond. It was once a tiny egg. So how did it develop? Beginning readers will discover how an egg grows into a tadpole and then into an adult frog in this basic… More →

A dragonfly with big wings zooms over a pond. It was once a tiny embryo inside an egg. So how did it develop? Beginning readers will discover how an embryo becomes a nymph and then molts into More →

A turtle slowly paddles along the Amazon River. Suddenly, something from beneath the water bumps the turtle. The little reptile tries to swim faster. Then another bump--and, suddenly, the… More →

A large Labrador retriever runs after a ball. The dog was once a tiny embryo inside its mother. So how did it develop? Beginning readers will discover how an embryo grows into a puppy and… More →