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The perfect number of hours to work every day? Five (www.wired.co.uk)

Research shows that five work hours a day can improve productivity and bolster wellbeing. There’s only one thing holding companies back

The Enigmatic Tambomachay: The Royal Inca Fountain of Pachacuti

We Should Look for Star-Sized Supercomputers to Find Aliens, This Researcher Says (www.vice.com)