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February 2003
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We invite you to speak your mind on these hot topics and global issues plucked from the pages of National Geographic magazine. For more on the subject go to the online feature page, or read the February 2003 issue of NGM.
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Galaxies
Less than a century ago our galaxy, the Milky Way, was the only one known to astronomers. Today we know that there are some 100 billion galaxies in the universe. What is the likelihood that intelligent life exists in neighboring galaxies? Enter>>
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Shattered Sudan
After 37 years of fighting the world's longest civil war, the people of Sudan are still unable to resolve their conflicts over ethnic and religious differences, the balance of power, and control of oil and other resources in the south. How can a nation so embroiled find its way to peace? Enter>>
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Searching for Sacagawea
American history students know Sacagawea for the pivotal role she played while traveling with explorers Meriwether Lewis and William Clark on their expedition west. Yet little is known about her life or how she looked. Still, she is remembered as a remarkable woman. What accounts for her hold on our imaginations? Enter>>
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Dawn in the Deep
Until the relatively recent study of life among deep-sea vents, scientists have believed that photosynthesis, conversion of light into biomass, is the basis of life at the bottom of the food chain. But in the dark, superheated environment of hydrothermal vents, scientists have found that life is based on chemosynthesis—the conversion of chemical energy into biomass. One such life-form is a group of microbes called chemoautotrophs, which live on inorganic nutrients in the fluids released from vents. Such a discovery broadens the search for life in the universe. Where else might we look? Enter>>
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Hip Zips
Nominate your favorite zip or postal code for coverage in the pages of National Geographic. Our magazine series—ZipUSA—takes a periodic peek at special corners of the country by zip code. We like the concept so much that we're going global and extending our stories to include international postal codes as well. So describe a weird, wacky, wonderful locale of your own choosing—it just might make it into the magazine—and read postings from other folks too. Enter>>
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