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Viking warriors: Biblioth�que nationale de France

Penguins: Kevin Schafer

Giraffes: Frans Lanting

Snowflakes: Arend Smith/Alaska Stock

Viking Voyages
Meet the Vikings. They were the first Europeans to reach America.


	PENGUINS MARCH ON Penguin parenthood is tough. Every March, emperor penguins leave the sea. They walk many miles across Antarctic ice. They must find just the right place to lay eggs and raise chicks. Then penguin moms and dads take turns watching their young. March with the penguins on page 2 of our November-December 2005 issue. Explore More National Geographic: Penguin Postcards Let these cool birds carry warm greetings to your friends! NG Creature Feature: Emperor Penguins Learn more about these popular birds. Watch them on video. NG Film: March of the Penguins Flightless birds soared to stardom in this hit movie.


	NECK AND NECK Giraffes stand out. They're the tallest animals on Earth. Six feet high at birth, they can grow almost as tall as a two-story building. An adult male may weigh 4,000 pounds. It can eat 140 pounds of food a day. A single giraffe hoof can be the size of a dinner plate! Go wild with giraffes on page 14 of our November-December 2005 issue. Explore More NG Creature Feature: Giraffes Watch these gentle giants on video. Discover fun facts about them. NG Quick Flick: Savanna Explore Africa's grasslands by trekking into this cartoon. You'll meet elephants, lions, and more.


	SNOW SCIENCE Snow can be truly cool. You can sled, snowboard, build snowmen, throw snowballs, and more. You might even get a day off from school. Yet snow can also bring deep trouble. Luckily, snow scientists work hard to keep people safe. Sled into cool science on page 20 of our November-December 2005 issue. Explore More NG Photo Gallery: Winter Wildlife Chill out with a seal, a wolf, Siberian tigers, and other cool critters. NG Kids: "Avalanche!" Face the fearsome power of "snow that smashes." Find out how to stay safe.