Títulos em Ciência e Tecnologia

The mountain habitat provides shelter and water for cunning predators, and the wolf and the golden eagle thrive there. The wolf can travel 50 miles a day to find prey. The striking force of a golden eagle’s talons can be compared to that of a bullet. But which animal is the fiercest of the ecosystem? Compare and contrast each animal’s features and skills before you declare the winning predator.

In 1811, while exploring the cliffs near Lyme Regis, England, 12-year-old Mary Anning made the find of a lifetime. There in the rocks was the skeleton of a strange creature. Mary's find was later named Ichthyosaurus, a reptile that lived more than 250 million years ago. Anning went on to have a long career finding and identifying dinosaur fossils. However, her work often went unrecognized by male scientists of the time, and she received little credit until long after her death. Learn about Mary Anning's perseverance and her important discoveries in paleontology.

Sounds can be loud. Sounds can be soft. We use our ears to hear all kinds of sounds. But how is sound made? Let’s investigate to find out about sound!

Scientists put things into groups so they are easier to study. Materials have different properties. What are they, and how they are grouped? Let’s investigate materials!

A highly secure military base sits in the middle of the Nevada Desert. What happens inside is kept top secret. Many UFO sightings have been reported nearby. Some people even say alien bodies are stored there. What really goes on behind its highly guarded fences? Explore the theories and learn why Area 51 has become one of history’s greatest mysteries.

With big eyes and ears and colorful bodies, a lot of creatures in nature look very cute. But don’t be fooled by their adorable appearance. When provoked, these animals can easily injure or kill a person. Their defense mechanisms like poison and sharp teeth and claws can turn them from darling to deadly. Get ready to discover some of the world’s cutest killers.

You push your friend while they swing. You pull open a door. What happens when you push or pull an object? Let’s investigate pushing and pulling forces!

Hippos are one of the largest land mammals in the world! These big vegetarians prefer to spend their time in the water. Listeners will enjoy learning all they can about hippos.

The dark floor and muddy rivers of the rain forest are perfect for hunting, and the jaguar and crocodile both stalk their prey with ease. But which animal is the fiercest of the ecosystem? Does the jaguar's speed give it an edge? Or does the crocodile's strength make it superior? Compare and contrast each animal’s features and skills before you declare the winning predator.

A brownish creature with bumps and lumps sits on rock. Is it a frog or a toad? From the color of their skin to how they move, frogs and toads are not the same. Dive right in to discover how they are alike and how they are different.

Countless animals around the world are in danger of dying out! But why are species going extinct, and what happens when we lose them? Max Axiom and the Society of Super Scientists are on a mission to find out. Using their superpowers and super-smarts, the team will break down this urgent issue into an exciting, fact-filled adventure so young listeners can learn about the causes and effects of animal extinction and endangerment and discover steps we can all take to save Earth’s wildlife.

You see a fin poke out of the water. It’s a big gray animal with a friendly face. It looks like a dolphin, but is it a porpoise? Dolphins and porpoises are similar, but they have some important differences. Find out how their fins, mouths, teeth, and behaviors can all help you tell these two animal look-alikes apart.

The world is full of furry, cuddly-looking animals. They often seem harmless at first glance. But don’t try to snuggle with these fuzzy creatures. Many of them can be very dangerous. Some have razor-sharp claws and teeth. Others are incredibly strong. Still others are poisonous or carry deadly diseases. Prepare to meet some of the world’s cuddliest killers.

An animal that looks like a turtle munches on some grass. It has scales and a hard shell. But is it a turtle or a tortoise? Turtles and tortoises are similar, but they have some important differences. Find out how their legs, feet, shells, and behaviors can all help you tell these two animal look-alikes apart.

Two beady eyes peek out of the water. Is it a crocodile or an alligator? They may look similar, but these two reptiles have many differences, including where they live and the shape of their snout. Let’s find out what fearsome creature is really lurking below the water and explore their differences.

In 1752, the sky in Philadelphia, Pennsylvania, darkened. A thunderstorm was coming. Benjamin Franklin was ready to perform an experiment. He wanted to show the electrical nature of lightning. His experiment was a success, but he didn’t discover electricity that day. Myths about Franklin and his experiment have been told for years. Discover what’s real and what’s fiction through infographics, primary sources, and expertly leveled text.

Flutter, flutter! What did you just see? Was it a butterfly or a moth? Butterflies and moths are similar, but they have some important differences. Find out how their colors, antennae, bodies, and behaviors can all help you tell these two animal look-alikes apart.

Vikings were fierce warriors who sailed the seas looking for new lands. They were expert sailors and shipbuilders. Find out the science behind their explorations, shipbuilding, and daily life. Discover how modern technology is being used to discover more about the lives of Vikings and their expeditions.

In science fiction, energy blades are weapons or tools that look like glowing swords. How could one of these powerful devices work? Scientists have some ideas, which include using plasma. Discover the science and technology behind what it would take to make a real-life energy blade!

In science fiction, jet packs let people zoom through the air at high speeds. Discover the science and technology behind what it would take to make a real-life jet pack!