AP - In a show of unity, Senate Democrats sealed a 60-vote majority needed to advance health care legislation Saturday ahead of an evening showdown with Republicans eager to doom the bill and inflict a punishing defeat on President Barack Obama.

AP - Scientists are preparing the world's largest atom smasher to explore the depths of matter after successfully restarting the $10 billion machine following more than a year of repairs.

AP - Computer hackers have broken into a server at a well-respected climate change research center in Britain and posted hundreds of private e-mails and documents online — stoking debate over whether some scientists have overstated the case for man-made climate change.