Top news for December 21, 2008

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Scientists may have finally proved that “empty” space isn’t really empty

Five new wasp species discovered in Cyprus, including one named after Aphrodite

'Snooping' on dolphins offers acoustic clues to hotspots for food and friends

New study links bad bosses with greater work intensity

How can AI help identify pain when animals can't tell us they're suffering?

New set of international rules needed to protect health of fishing stocks, study shows

Dying radio galaxies reveal a shorter, more dynamic afterlife of black hole jets

How One Woman With a Very Rare Disease Secured a Clinical Trial

On this day in space! Aug. 17, 1877: Asaph Hall discovers the Martian moon Phobos

China bounces back from Long March rocket explosion with back-to-back launches (video)