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Samsung has introduced a new high definition 70-inch LCD TV with dynamically-controlled LED backlighting that provides a contrast ratio of 500,000:1 and can halve power consumption, the company has announced. The new display was launched in South Korea today, and will go on sale worldwide in the second half of the year.

'Mission creep' in the Iraq conflict dropped US chances of success from 70 percent to 26 percent, says a University of Georgia researcher. The predictions were produced with a statistics-based approach that has proved accurate in 80 percent of former conflicts, claims assistant professor Patricia L. Sullivan of the UGA School of Public and International affairs.

Lazy shoppers who see an ad for a music CD that they like can buy it instantly by snapping a photo with a camera phone, thanks to a new service now available in Japan.

The 'ER Search' service links a mobile phone with image recognition software via a 3G network to a server which hosts a database of CD covers.

Google has signed a new cooperation deal with leading Chinese web portal, Sina.com, Sina announced today. The giant global internet search provider is locked in a battle for dominance with local search firm Baidu, which controls more than half the Chinese search market.

More than 100 million will develop Alzheimer's disease in the near future, unless new treatments are developed to prevent or delay the condition, researchers have warned. One in every 85 people worldwide will have Alzheimer's by 2050, predict scientists from Johns Hopkins University.