Top news for December 21, 2008

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Pluto gained a ‘heart’ after colliding with a planetary body

WHO Warns Growing Spread of Bird Flu to Humans Is 'Enormous Concern'

NASA and Boeing Prep Starliner and Atlas V Rocket Prep for Historic ISS Journey

Vikings Filed Grooves Into Their Teeth as an Unusual Form of ID

Scientists Discover 2 Key Brain Systems Behind Psychosis

Antarctic Ice Shelf The Size of France Suddenly Jumps Once or Twice a Day

Scientists Discover Gigantic Global Reserve of Soil Carbon Underground

Stanford’s Innovative Blood Test Offers New Hope for Hodgkin Lymphoma Patients

A flexible and efficient DC power converter for sustainable-energy microgrids - EurekAlert

Stronger evidence links sedentary behavior and frailty in old age