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182 records found. Displaying 73 - 96.
The Rise of Civilization: First Cities and Empires
From the Series Human History Timeline
Take an enthralling journey from the Stone Age onward, and see how our ancestors became great builders and rulers. They grew food, discovered metals, made tools, and invented writing. You… Read More →
The Rise of Western Society: Sailing Ships and Revolutions
From the Series Human History Timeline
Follow four centuries of discovery and change, from the moment people set out to explore the world to turbulent times when it turned upside down—even for the people who stayed home! See how… Read More →
The Shark Attack Files
From the Series Wild World of Sharks
A dark, triangular fin slicing through the water can be a terrifying sight. Read the stories of the brave (and lucky) people who have survived real-life shark attacks, such as spearfisher… Read More →
Wild World of Sharks — Hardcover Set
From the Series Wild World of Sharks
Sharks leap off the page in this high-energy series dedicated to the ultimate predators. Full-spread photos and browseable text highlight the most high-interest facts about these marine… Read More →
World's Weirdest Sharks
From the Series Wild World of Sharks
Chances are, when you think of sharks, it's the great white or hammerhead that swim into view! But the world's oceans hold around 500 different species of sharks, and some are extremely… Read More →
Extreme Earthquakes and Tsunamis
From the Series When Nature Attacks
Earthquakes can destroy entire cities in mere minutes and send shock waves rippling around the world. These devastating quakes become even more deadly when followed by monster waves. Tsunamis Read More →
Extreme Fires and Floods
From the Series When Nature Attacks
In just a few seconds, a spark can turn a forest into a rapidly spreading inferno of intense heat and suffocating smoke. Firefighters try to control the wildfire—a battle that might last for… Read More →
Extreme Hurricanes and Tornadoes
From the Series When Nature Attacks
Imagine facing a storm so vast you can only see it all from space, or winds that uproot trees and hurl cars in the air. The unleashed power of extreme storms can flatten homes and drown… Read More →
Extreme Volcanoes
From the Series When Nature Attacks
The molten rock just under Earth's solid crust sometimes erupts suddenly and violently, causing streams of red-hot lava and scorching high-speed avalanches called pyroclastic flows. Volcanoes Read More →
Fun Experiments with Electricity: Mini Robots, Micro Lightning Strikes, and More
From the Series Amazing Science Experiments
Make a robot from a toothbrush, send Morse code messages by telegraph, and create your own lightning! These amazing science projects use readily available items and have simple step-by-step… Read More →
Fun Experiments with Forces and Motion: Hovercrafts, Rockets, and More
From the Series Amazing Science Experiments
Make a rocket from a plastic bottle, a hovercraft from a balloon, and a drag racer from cardboard! These amazing science projects use readily available items and have simple step-by-step… Read More →
Fun Experiments with Light: Periscopes, Kaleidoscopes, and More
From the Series Amazing Science Experiments
Make a camera from cardboard, create stereographic images, and start a campfire with ice! These amazing science projects use readily available items and have simple step-by-step instructions. Read More →
Fun Experiments with Matter: Invisible Ink, Giant Bubbles, and More
From the Series Amazing Science Experiments
Make a giant fountain from a soda pop bottle, write messages in invisible ink, and blow monster bubbles! Use readily available items and simple step-by-step instructions to create these… Read More →
Genius Communication Inventions: From Morse Code to the Internet
From the Series Incredible Inventions
Printing words in books originated in China with the invention of movable type. But books aren't the only way we've communicated throughout history. Find out who invented the first radio,… Read More →
Genius Engineering Inventions: From the Plow to 3D Printing
From the Series Incredible Inventions
Tin cans were first produced in London in 1813. But they had to be opened with a hammer and chisel, because the can opener wasn't invented until 1855! Check out other amazing engineering… Read More →
Genius Optical Inventions: From the X-Ray to the Telescope
From the Series Incredible Inventions
Before magnifying glasses, how did people make objects look larger? The ancient Romans filled glass bowls with water. Then microscopes and telescopes came along. But optical innovation didn't Read More →
Genius Transportation Inventions: From the Wheel to Spacecraft
From the Series Incredible Inventions
Bicycles were only invented about two hundred years ago—and the first ones didn't have tires or brakes! But bikes aren't the only way we've tried to conquer the roads, seas, and skies. You'll Read More →
Inside Battleships
From the Series Inside Military Machines
Take a fascinating tour of the mightiest fighting ships of all time—from ancient Greek galleys to gigantic modern aircraft carriers. Get an up-close view of these incredible battleships as… Read More →
Inside Fighter Planes
From the Series Inside Military Machines
Follow the powerful story of fighter aircraft—from the earliest six-winged inventions used during World War I right up to modern supersonic stealth fighters. Along the way, explore inside the Read More →
Inside Submarines
From the Series Inside Military Machines
Believe it or not, submarines date back to the seventeenth century! Discover how they developed from early designs such as the one-person Turtle into streamlined, stealthy warships. Along the Read More →
Inside Tanks and Heavy Artillery
From the Series Inside Military Machines
The earliest tank was designed in the fifteenth century. Since then, tanks have developed into huge, powerful weapons. Get an up-close view of mighty tanks and artillery as you learn about a… Read More →
Stickmen's Guide to Your Beating Heart
From the Series Stickmen's Guides to Your Awesome Body
Ba-boom, ba-boom, ba-boom . . . your incredible heart beats more than once every second, no matter what you're doing. And your lungs pull in up to 145 gallons of oxygen each day. So how are… Read More →
Stickmen's Guide to Your Brilliant Brain
From the Series Stickmen's Guides to Your Awesome Body
Just think, every single thing you do is handled by an amazing computer inside your head—your brilliant brain! And it's helped by your body's internet—your nervous system. Join the Stickmen… Read More →
Stickmen's Guide to Your Gurgling Guts
From the Series Stickmen's Guides to Your Awesome Body
Food is the body's fuel—but what happens to each yummy mouthful from the moment you take a bite? The Stickmen unravel the long process of digestion carried out by your winding system of guts. Read More →