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3D movies can be a real pain

Movie buffs and sports fans looking to 3D televisions for the ultimate home theatre experience may want to get their eyes checked first -- or risk a 3D headache, according to eye experts.

The growing popularity of three-dimensional movies, such as James Cameron's box-office hit Avatar, has inspired a crop of 3D TV sets, unveiled this week at the International Consumer Electronics Show in Las Vegas.

Obama props healthcare bill

President Barack Obama has renewed his pitch for final congressional passage of a US healthcare overhaul and promised Americans they will begin reaping the benefits soon.

As Mr Obama's fellow Democrats in the House of Representatives and the Senate struggle to merge their healthcare bills into one, the president tried to ease lingering doubts over his top legislative priority.

Leukemia can be inherited

Researchers have found four new genetic variants that increase the risk of contracting one of the major forms of leukemia, confirming that risk factors for the fatal blood cancer can be inherited.

The findings mean that 10 genetic variants associated with chronic lymphocytic leukemia are now known, scientists at Europe's Institute of Cancer Research, who conducted the study, said.

Pyramids not built by slaves

New tombs found in Giza support the view that the Great Pyramids were built by free workers and not slaves, as widely believed, Egypt's chief archaeologist said.

Films and media have long depicted slaves toiling away in the desert to build the pyramids only to meet a miserable death at the end of their efforts.

Japan Airlines slashes jobs

Troubled Japan Airlines is to axe around 15,000 jobs, a third of its workforce, and reject billion-dollar cash offers from Delta and American Airlines, as it files for bankruptcy and embarks on a government-led turnaround.