National Geographic Fieldwork

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A recent excavation in North Carolina has cast new light on how the Catawba Indians lived two centuries ago, and how they built an economy by trading with white settlers.

November 14, 2005
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Researchers have unearthed fossil evidence of a new species of ancient crocodile that had a head like a carnivorous dinosaur and a tail like a fish.

November 10, 2005
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A new, highly contagious respiratory virus thought to affect only the greyhound racing industry is now being detected in family dogs.

September 27, 2005
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The same biochemistry that helps garlic spice up good cooking may also hold potential for pain-fighting drugs, scientists say.

September 14, 2005
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Doctors in the U.K. are performing what they say is the first clinical study to test whether spray-on skin cells effectively treat burns.

September 12, 2005
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Coffee is a top source of disease-fighting antioxidants in the U.S., a new study finds. But experts warn that java is still no health drink.

August 31, 2005
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Scientists have engineered mice to live 20 percent longer, and they say the discovery might someday help humans do the same.

August 25, 2005

Scientists in London say they have successfully grown specialized lung cells from embryonic stem cells, a potential step toward lab-grown replacement lungs and tissue.

Updated August 24, 2005

Harvard scientists say they have found a way to turn ordinary skin cells into what appear to be embryonic stem cells.

August 23, 2005
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Sunbathers often feel a "buzz" after a long day at the beach. But scientists say this natural high can be fatally addictive.

August 19, 2005
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With the world nearly defenseless against a possible bird flu pandemic, a new study evaluates ways of containing an outbreak.

August 3, 2005
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Call it the Lie Diet: Scientists say fake memories of bad experiences with bad food can help steer eaters off the road to obesity.

August 2, 2005
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Beta-blocking drugs used to treat high blood pressure may also dampen the emotional toll of traumatic memories, researchers say.

July 29, 2005
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Some drugs used to treat Parkinson's disease can cause patients to become addicted to gambling, food, and sex, new research shows.

July 12, 2005
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Nearly nine feet long (2.7 meters) and as big as a grizzly bear, a huge catfish caught in northern Thailand may be the largest freshwater fish ever recorded.

June 29, 2005

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