The moon is one of the most obvious natural indicators that the passing of time follows a pattern and can be tracked in a useful way.
July 24, 2013 Found in Scotland and dating from 10,000 years, the calendar shows that hunter-gatherers already knew how to mark time by looking at the skies, forcing us to rethink what we know of ancient cultures.
October 9, 2012 The vast web of geometries traced out in light shows you cities as a kind of infestation. They're like living networks spreading across the planet.
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February 6, 2012 Can we work together to create a new vision of the future, one that doesn't rely on the concept of forever-GDP growth on a planet with finite resources?
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