Volume 288, Issue 4
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Features
Mount Etna's Ferocious Future
Europe's biggest and most active volcano is growing more dangerous. Luckily, the transformation is happening slowly
Solving the Solar Neutrino Problem
The Sudbury Neutrino Observatory has solved a 30-year-old mystery by showing that neutrinos from the sun change species en route to the earth
The Grid: Computing without Bounds
By linking digital processors, storage systems and software on a global scale, grid technology is poised to transform computing from an individual and corporate activity into a general utility
The Lowdown on Ginkgo Biloba
This popular herbal supplement may slightly improve your memory, but you can get the same effect by eating a candy bar
Questioning the Oldest Signs of Life
In the past year scientists have been forced to reconsider how they identify life in the most ancient rocks on earth--and elsewhere in the solar system