Researchers are finding ways to turn down the heat in cities

Rooftop gardens and greenery can help ease some of the severe heat in cities, according to research from climate scientists at NASA's Goddard Institute for Space Studies (GISS) in New York. For several decades, researchers ...

Daily grind: The biography of a stone axe

Tom Breukel analysed some 250 stone axes from the Caribbean and reconstructed their biographies, thus increasing our knowledge of production and trade in the period around the arrival of Columbus. His Ph.D. defence is on ...

How bringing back lost species revives ecosystems

Scientists often study the grim impacts of losing wildlife to hunting, habitat destruction and climate change. But what happens when endangered animals are brought back from the brink?

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