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The Search for Greenland's Mysterious Meteor

Caught on camera, the fireball that streaked across Arctic skies last December appeared to move too fast for anything from this solar system. A month long expedition on this island of ice hunted for remains--and answers

By W. Wayt Gibbs

Simulating Water and the Molecules of Life

Computer modeling reveals how water affects the structures and dynamics of biological molecules such as proteins, yielding clues to their functions

By Mark Gerstein and Michael Levitt

Natural Oil Spills

In the Gulf of Mexico, a region famous for its many oil and gas fields, most of the petroleum flowing into the ocean leaks naturally from fissures in the seabed

By Ian R. MacDonald

Mating Strategies of Spiders

Spiders have evolved intriguing behaviors to woo their occasionally cannibalistic mates

By Ken Preston-Mafham and Rod Preston-Mafham


Gluons, which hold protons together, can also clump into globs of pure glue

By Frank E. Close and Philip R. Page

100 Years of Magnetic Memories

Although the technology is ubiquitous today, magnetic recording had a sluggish start. The underlying science was something of a mystery, applications were slow to emerge, and business and politics stifled development

By James D. Livingston


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