Scientists measure a debris flow in unprecedented detail

Debris flows are fast-moving and highly variable mixtures of soil, rock, water, and trees that can wreak havoc on downslope communities. Small debris lags behind larger particles, but it is not clear how this sorting occurs ...

Worldwide dataset captures Earth in finest ever detail

A global open-source dataset of high-resolution images of Earth—the most extensive and detailed of its kind—has been developed by experts led by UCL with data from the European Space Agency (ESA).

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