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PAHOA, HI - MAY 4: In this handout photo provided by the U.S. Geological Survey, a column of robust, reddish-brown ash plume occurred after a magnitude 6.9 South Flank following the eruption of Hawaii's Kilauea volcano on May 4, 2018 in the Leilani Estates subdivision near Pahoa, Hawaii. The governor of Hawaii has declared a local state of emergency near the Mount Kilauea volcano after it erupted following a 5.0-magnitude earthquake, forcing the evacuation of nearly 1,700 residents. (Photo by U.S. Geological Survey via Getty Images)

Plumes of rock that feed volcanic hotspots are surprisingly cold

6 January 2022

Geologists may need to come up with a new explanation for the sources of volcanic activity in places like Iceland and Hawaii

Bacillus subtilise biofilm

Bacteria form complex structures like those seen in animals

6 January 2022

Bacterial biofilms, slimy collections of microbes, can develop concentric rings containing cells with different biological features

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