News tagged with human population density

Image: Virunga Mountains

This Sentinel-1 radar composite image features the Virunga Mountains in East Africa: a chain of volcanoes stretching across Rwanda's northern border with Uganda and east into the Democratic Republic of the Congo.

dateNov 11, 2016 in Earth Sciences
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Why innovation thrives in cities

In 2010, in the journal Nature, a pair of physicists at the Santa Fe Institute showed that when the population of a city doubles, economic productivity goes up by an average of 130 percent. Not only does total productivity ...

dateJun 04, 2013 in Social Sciences
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Law enforcement vital for great ape survival

Recent studies show that the populations of African great apes are rapidly decreasing. Many areas where apes occur are scarcely managed and weakly protected. Researchers from the Max Planck Institute for Evolutionary Anthropology ...

dateDec 08, 2011 in Ecology
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