Inequality: What we've learned from the 'Robots of the late Neolithic'

Seven thousand years ago, societies across Eurasia began to show signs of lasting divisions between haves and have-nots. Scientists have now charted the precipitous surge of prehistoric inequality and trace its economic origins back to the adoption of ox-drawn plows.

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Researchers see need for action on forest fire risk

How do humans affect forest fires? An international team of researchers has now shown for a region in north-eastern Poland that forest fires increasingly occurred there after the end of the 18th century with the change to organized forestry. The increased number of fires subsequently made it necessary to manage and maintain the forests differently. In the wake of climate change, the researchers suggest new strategies for the fight against forest fires.

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