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AnthropologyErectus Experiment: Fossil find expands Stone Age anatomy
A 930,000-year-old fossil cranium found in Africa widens the anatomical spectrum of Stone Age human ancestors and expands debate over how they evolved.
By Bruce Bower -
Health & MedicineBefore the Booze: Cactus extract dulls hangovers
An inflammation-fighting plant extract, taken hours before consuming alcohol, appears to suppress some of the symptoms brought on by a bout of heavy drinking.
By Ben Harder -
AstronomyPowerhouse Astronomy: Blazing black hole from the early universe
A jet of matter and radiation emanating from a newly discovered black hole could provide a new probe of the first stars and the radiation left over from the Big Bang.