Top news for December 21, 2008

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Oral B Pro 1000 review

Astronomers discover asteroid treasure trove in old Hubble Space Telescope data

Watch the Event Horizon Telescope's 'groundbreaking' Milky Way discovery reveal online this week

Tumor release of lactate forces nearby cells into supportive role

On This Day In Space: Nov. 18, 2013: NASA launches MAVEN orbiter to Mars

For a Shy Porpoise, Rare Good News

A Psychedelic Trip to Timothy Leary’s Catalina Resort in Mexico

In Alabama’s ‘19th Unnamed Cave,’ a Trove of Ancient Dark-Zone Art

New Research Tells Us Why Psychopaths Are Sometimes Able To Succeed In Society

Dr. Morton Mower, Inventor of Lifesaving Heart Device, Dies at 89