Archive: 11/08/2010

The Mysterious Roving Rocks of Racetrack Playa

In a particularly parched region of an extraordinary planet, rocks big and small glide across a mirror-flat landscape, leaving behind a tangle of trails. Some rocks travel in pairs, their two tracks so perfectly in synch ...

dateAug 11, 2010 in Earth Sciences
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Workers say 'green' buildings boost productivity

( -- Workers who moved from conventional office buildings to environmentally friendly “green” buildings said they called in sick less often and were more productive, according to a study by a team of Michigan ...

dateAug 11, 2010 in Other
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