Top news for December 21, 2008

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NASA wants to launch rockets into northern lights to study 'black auroras'

Derek Humphry, Pivotal Figure in Right-to-Die Movement, Dies at 94

L.A. Wildfires Reveal the Limits of Hydrant Systems

Is Your Drinking Water Safe? Common Chemicals Linked to Rising Cancer Risk

Unlocking the Brain’s Secret: The Next Leap in AI With Neuromorphic Computing

Puzzling fossils unearthed in China may rewrite the human story

Twisting Crystals With Light: Unlocking Chirality in a Flash

Breaking Free in Space: ESA’s Proba-3 Satellites Separate for Historic Mission

Humanity's Ancient Ancestor Found a Way to Survive in a Harsh World

Building the Future: Materials That Absorb Carbon and Combat Climate Change