Archive: 12/20/2013

The 12 days of Pascal's triangular Christmas

One of the most magical aspects of mathematics is the ability for complex and intricate structures to emerge from the simplest of rules. Few mathematical objects are simpler to create – and few weave such ...

Dec 20, 2013
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Dining habits of breeding terns revealed

Western Australian researchers have used stable isotope ratios from the tail feathers of bridled terns (Onychoprion anaethetus) on Penguin Island to assess how their feeding habits vary during the breeding ...

Dec 20, 2013
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BlackBerry posts 3Q loss of $4.4B (Update)

BlackBerry reported a massive $4.4 billion loss in the third quarter and a 56 percent drop in revenue in its first quarterly report under new chairman and chief executive John Chen.

Dec 20, 2013
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Researchers develop new model to assess fish passage

Fishes, such as salmon, who must swim upstream to their birthplace to spawn are often impeded by obstacles like dams and roads that crisscross rivers and streams. A team of researchers from the University of Georgia and the ...

Dec 20, 2013
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