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Rebuilding the Food Pyramid

The dietary guide introduced a decade ago has led people astray. Some fats are healthy for the heart, and many carbohydrates clearly are not

By Walter C. Willett and Meir J. Stampfer

The Science of Bubbly

Scientists study the nose-tickling effervescence of champagne-- an alluring and unmistakable aspect of its appeal

By Gérard Liger-Belair

The Nanodrive Project

Inventing a nanotechnology device for mass production and consumer use is trickier than it sounds

By Peter Vettiger and Gerd Binnig

New Light on Medicine

Pigments that turn caustic on exposure to light can fight cancer, blindness and heart disease. Their light-induced toxicity may also help explain the origin of vampire tales

By Nick Lane

Earthquake Conversations

Contrary to prevailing wisdom, large earthquakes can interact in unexpected ways. This exciting discovery could dramatically improve scientists' ability to pinpoint future shocks

By Ross S. Stein


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