Leon Gray
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Just how large is the world's largest octopus? With its arms outstretched, an adult giant Pacific octopus is about as long as a minivan. On top of that, it can weigh a whopping 100 pounds (45 kg)! But these giant sea creatures aren't just big, they are also masters of disguise. In the blink of an eye, they can change the color of their bodies to match their environment--and hide from enemies. Now you see them, now you don't! In Giant Pacific Octopus:...
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"A sweeping history of both the discovery and classification of elements and the development of the modern periodic table. Included are discussions of the discovery of matter, atoms, atomic structure, molecules, compounds, ions, and isotopes, as well as the first identifications of the 118 (and counting) elements and the various ways they have been classified and organized by prominent scientists up to the present-day periodic table. Instruction in...
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How large is the world's biggest bunny? A Flemish giant rabbit weighs 20 pounds (9 kg)--as much as two cats. The supersized rabbits were first raised in a region called Flanders, which is now part of Belgium, more than 150 years ago. Today, they are kept as pets all over the world. Even though they are extremely large, these big bunnies love to cuddle with their owners--and sometimes even with the family dog! In Flemish Giant Rabbit: The World's Biggest...
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How big are trumpeter swans? With their wings stretched out, they are about as long as an 8-foot (2.4-m) rowboat! These large waterbirds live in North America and make their homes near lakes and ponds. Because of their huge size, trumpeter swans can fight off almost any predator. Get too close to a swan, and you'll hear the loud honking sound that makes it clear how this big bird got its name. In Trumpeter Swan: The World's Largest Waterbird, eye-popping...
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The king cobra is so big that it is about as long as a pickup truck. As if that weren't scary enough, it can also produce enough poison to kill 20 elephants! Steer clear of this slithering serpent. When it's threatened, it growls like a dog and can lift the front one-third of its body off the ground. That's tall enough to stare a six-foot-tall (1.8-m) person right in the eye! In King Cobra: The World's Longest Venomous Snake, eye-popping color photos...
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The cane toad is so big that it can grow to be the size of a soccer ball! To satisfy its huge appetite, it pounces on and devours almost anything that moves--and that will fit into its mouth. The cane toad is more than just a voracious eater, however; it's also dangerous. It can release deadly venom through its dry, warty skin that is strong enough to poison pets, people, and even a 10-foot-long (3-m) crocodile! In Cane Toad: The World's Biggest Toad,...
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The British army swelled in size at the beginning of World War I. But many of these new recruits suffered from malnutrition and lacked the physical strength to serve on the front line. Doctors developed healthy diets and workouts for the soldiers and, within months, the army was ready to fight. Biology has always been an important part of war. Doctors use biology to keep troops healthy by treating wounds and effects of trauma. Biologists have developed...
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The widespread use of blogging today has made understanding how to read and write these online journals an essential skill for digital literacy at any age. In these pages, the ins and outs of several kinds of blogs-including political, news, and personal ones-are explained in clear terms. Content management, HyperText Markup Language (HTML) text editing, and web hosting are just a few of the topics that are simplified to guide users towards getting...
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With the continued growth of social networking as a pervasive presence in our day-to-day lives, the need is greater than ever for a guide for young readers that helps them understand their engagement with this key medium of online communication. This book breaks down the basics of social media, its benefits, and its dangers for Internet users today. By explaining the concept of networking-both on and offline-readers will learn the importance of social...
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This handy guide to search engines allows readers to learn the tricks to using these Internet-indexing services to their maximum potential. With an informative history of the development of search engines, this book teaches readers how this essential tool for the Web has advanced in its technology for categorizing websites and then pulling them up for users at the click of a search button. From an electronic "spider" that crawls the World Wide Web...
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This lively guide to the wiki phenomenon narrates the history of wikis, explains how they work, and projects the future of these collaborative, content-driven sites based on developments already under way. With lists of the most popular wikis, biographies of the key figures of the wiki movement, and a timeline of feature developments integrated into wikis today, readers will finish this book feeling confident in their ability to understand, use, and...
13) Transportation
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Explores transportation from ancient times to today.
14) Tin
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Examines the characteristics, sources, and uses of the element tin, as well as tin's importance in our lives.
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"When taking a road trip today, some sort of GPS device is essential. It may be built into the car's dashboard, or perhaps it's just an app on a smartphone. But GPS is used for more than just finding your way! Readers will be fascinated by its beginnings as a military system and its many modern uses, such as catching criminals, predicting earthquakes, and creating maps. Colorful photographs illustrate real-life examples of GPS technology, military...