Nanoparticles can save historic buildings made from porous rock

Many historical buildings were built of sandstone, including Vienna's St. Stephen's Cathedral. Sandstone is easy to work with, but does not withstand weathering. It consists of sand grains that are relatively weakly bonded ...

Mystery solved: Scientists trace source of Stonehenge boulders

Stonehenge, a Neolithic wonder in southern England, has vexed historians and archaeologists for centuries with its many mysteries: How was it built? What purpose did it serve? Where did its towering sandstone boulders come ...

Coral comeback: Reef 'seeding' in the Caribbean

Mats of algae and seaweed have shrouded the once thick coral in shallow reefs off Jamaica's north coast. Warm ocean waters have bleached out the coral, and in a cascade of ecological decline, the sea urchins and plant-eating ...

Study reveals flood mud burden on Moreton Bay

University of Queensland sampling during and after the February 2022 Brisbane River flood has sounded a warning about the future of Moreton Bay with climate change predicted to bring more extreme weather.

Engineers facilitate the restoration of lake deltas

Engineers from EPFL and partner organizations have developed a method for classifying lacustrine deltas based on morphological parameters, in order to determine which of the deltas severely altered by human activity are best ...

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