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Toshiba Corp. may pull the plug on its HD-DVD business, the Japanese electronics maker said.

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Marine scientists in Halifax believe they may have found a new breeding ground for sharks off the coast of Nova Scotia, but they have run into trouble trying to retrieve all the data they need to verify their suspicion that porbeagle sharks are mating around Georges Bank.

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Scientists have created metal-organic crystals capable of soaking up carbon dioxide gas like a sponge, which could be used to keep industrial emissions of the gas out of the atmosphere.

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The Motion Picture Association in Hollywood is suing a popular website in China for film piracy, seeking about $1 million US from the company responsible for the site.

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Two astronauts from the space shuttle Atlantis have completed the final spacewalk of their mission, successfully installing experiments on the exterior of the International Space Station.

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Scientists say a recent cold spell has been helping winter sea ice grow across the Arctic, where the ice shrank to record-low levels last year.

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In what is being seen as the death blow for HD DVD, retail giant Wal-Mart has chosen to go Blu-ray only.

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Human activities have left no ocean region completely untouched and have had a strong impact on about 40 per cent of the world’s marine ecosystems, a group of researchers said.

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The U.S. will shoot down a damaged spy satellite expected to hit Earth in early March, officials said at a news conference Thursday.

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A pop quiz may do more to help students retain information than an all-night session of cramming, according to U.S. pscyhologists studying the impact of learning methods.

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