Archive: 12/24/2009

Critical protein helps mend damaged DNA

In order to preserve our DNA, cells have developed an intricate system for monitoring and repairing DNA damage. Yet precisely how the initial damage signal is converted into a repair response remains unclear. Researchers ...

Dec 24, 2009
4.3 / 5 (4) 0

Follow Santa Claus, courtesy Google and NORAD

Santa Claus is coming to your town -- and NORAD is tracking him as he drops off presents around the world. The North American Aerospace Defense Command, which monitors the North American airspace, on Thursday ...

Dec 24, 2009
2.7 / 5 (7) 1

US Senate votes on landmark health bill

Senators gave Barack Obama a huge political boost on Thursday by passing a sweeping remake of the US health care system that aims to extend coverage to 31 million uninsured Americans.

Dec 24, 2009
2.6 / 5 (5) 6