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Features

What Heated the Asteroids?

Collisions among asteroids in the early history of the solar system may help explain why many of these rocky bodies reached high temperatures

By Alan E. Rubin

Neuromorphic Microchips

Compact, efficient electronics based on the brain's neural system could yield implantable silicon retinas to restore vision, as well as robotic eyes and other smart sensors

By Kwabena Boahen

Molecular Treasure Hunt

A software tool elicits previously undiscovered gene or protein pathways by combing through hundreds of thousands of journal articles

By Gary Stix

A Bolt out of the Blue

New research shows that lightning is a surprisingly complex and mystifying phenomenon

By Joseph R. Dwyer

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