7,000-year-old grains hints at origin of Swiss pile dwellings

No place have researchers found more Neolithic pile dwellings than around the Alps. It is a mystery, however, how this "building boom" came to be. Researchers at the University of Basel have now uncovered new clues and say ...

Each Antarctic tourist effectively melts 83 metric tons of snow

Every summer, as the sea ice surrounding Antarctica retreats, tens of thousands of tourists and scientists flock to the landmass by boat and plane. The remote continent is becoming increasingly accessible—during the 2019-20 ...

Climate change threatens Hadrian's Wall treasures in England

Nineteen hundred years after it was built to keep out barbarian hordes, archaeologists at Hadrian's Wall in northern England are facing a new enemy—climate change, which threatens its vast treasure trove of Roman artefacts.

Mapping our human footprint from space

The world's population is expected to reach 9.7 billion in 2050, according to the UN Department of Economics and Social Affairs. Urban areas are already home to 55% of the world's population and that figure is expected to ...

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