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From worker to queen at the drop of a gene

Biologists from the University of Leicester have discovered that one of nature's most important pollinators - the buff-tailed bumblebee – either ascends to the status of queen or remains a lowly worker ...

dateMay 26, 2015 in Plants & Animals
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Impact crater or supervolcano caldera?

At first glance, the region covered by this latest Mars Express image release appears to be pockmarked with impact craters. But the largest structure among them may hold a rather explosive secret: it could ...

dateMay 21, 2015 in Space Exploration
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Reddit cracks down on harassment

Reddit on Thursday said it is cracking down on abusive behavior that is keeping people from expressing opinions at the news-focused social network.

dateMay 14, 2015 in Internet
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