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,...

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...

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...

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...

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...

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...