Grade 3

As a country of 17,000 islands, Indonesia is truly unique. It's fitting that many rare animals make their homes in Indonesia. The venomous Komodo dragon, one of the deadliest animals in the… More →

The main gun on an M109A6 Paladin can fire up to four rounds every minute. Each round can travel up to 15 miles (24 kilometers). The Paladin has been the backbone of United States Army… More →

Japanese comics, called manga, have influenced cartoon artists and animators all over the world. Simple lines and exaggerated features mark its distinctive style, making it easy to replicate… More →

The earliest canoes were merely hollowed-out tree trunks. These gave way to birch bark canoes and, later on, wood-and-canvas canoes. Today there are racing canoes, inflatable canoes, and even More →

Warthogs are named for the thick knobs of skin between their eyes and snouts. These unsightly protrusions provide a cushion that comes in handy not in the face of predators, but against the… More →

The Green Berets are a Special Forces unit of the United States Army. They carry out a variety of missions, including search-and-rescue, counterterrorism, and strategic assaults on enemy… More →

The United States Navy patrols waters around the world to protect U.S. interests. With everything from nuclear-powered submarines and aircraft carriers to helicopters and jet fighters, the… More →

Members of the insect class often get a bad rap. People swat at them, stomp on them, and go to great lengths to repel them. Though some insects are pests that spread disease, many are… More →

The loyal Lab, the gentle Beagle, the playful Pug, and the spirited Dalmatian; dogs vary as much in personality as they do in looks. See how easy it is to bring out the individuality of our… More →

An enemy ship is spotted 30 miles away from a United States Navy aircraft carrier. Sailors scramble to the deck to get F/A-18E/F Super Hornets airborne. Streaking into the sky, the Super… More →

Trespassing in mountain lion habitat is a dangerous idea. Mountain lions do not share their territory, and they will not hesitate to stalk, pounce, and bite to defend it. Read about people… More →

It’s rambling in Britain and bushwalking in Australia. New Zealanders call it tramping and the Dutch go trekking. In the United States, we know it as hiking. Whatever you call it, this… More →