Top news for December 21, 2008

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Researchers develop affordable, rapid blood test for brain cancer

Helen Fisher, Who Researched the Brain’s Love Circuitry, Dies at 79

SpaceX Polaris Dawn Mission: Why a Billionaire Is Risking a Spacewalk

When A.I.’s Output Is a Threat to A.I. Itself

How smart toys spy on kids: What parents need to know - EurekAlert

Building new bones with help from 3D printing - EurekAlert

Rewriting Galactic History: Milky Way’s “Wrinkles” Reveal a Startlingly Recent Collision, Shocking Astrophysicists

Alzheimer's Drug Could Put Patients Into Hibernation-Like State

New Experiment Brings The Quantum Internet a Step Closer to Reality

Humpback Whales Create And Use Skilled Hunting Tools, Study Reveals