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The origins of laughter

We know the benefits of laughter on health. But why do we laugh? What are the evolutionary origins of laughter and humour? Steven Légaré has asked these questions and has made them the subject of his master's thesis, which ...

dateMar 27, 2013 in Social Sciences
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What causes hybrid vigor?

Plant scientists at the John Innes Centre have provided a new solution to an old debate on why species hybrids can be more vigourous than their parents. In a study to be published online next week in the online open access ...

dateJul 20, 2010 in Biotechnology
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Craigslist to drop 'erotic services' classifieds

(AP) -- A month after the killing of a masseuse who advertised on Craigslist, the classified ad site announced plans Wednesday to eliminate its "erotic services" category and screen all submissions to a new "adult services" ...

dateMay 13, 2009 in Internet
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