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Derek Smith

Satellite view of parts of the eastern Mediterranean and Middle East showing dust in the atmosphere
Posted inResearch Spotlights

Bacteria Travel Thousands of Kilometers on Airborne Dust

by Derek Smith 22 November 2022

As winds pick up dirt and sand, they also pick up any microbes adhering to those particles, potentially introducing them to new locations.

Biocrusts abundant in lichens grow on the soil surface in the Colorado Plateau.
Posted inNews

Climate Change Leads to Decline in Lichen Biocrusts

by Derek Smith 26 May 202226 May 2022

As summer temperatures continue to rise, important biocrust-forming organisms in the American Southwest may be lost.

A meadow of the seagrass Posidonia oceanica
Posted inNews

Mortality of Seagrass Meadows May Not Kill Their Methane Release

by Derek Smith 31 March 202231 March 2022

New research indicates that seagrasses continue to release methane even after they die, complicating blue carbon initiatives.

Martian meteorite ALH84001 shown with a 1-centimeter cube for scale
Posted inNews

A New Explanation for Organics on a Mars Rock That Fell to Earth

by Derek Smith 26 January 20228 March 2022

Organic molecules on a Martian meteorite have fueled nearly 30 years of scientific debate. New evidence suggests they were formed by Martian processes, offering more support for a once habitable environment on the Red Planet.

Biocrust composed of mosses, lichens, and cyanobacteria
Posted inNews

Biocrust “Probiotics” Can Aid Dryland Restoration Efforts

by Derek Smith 10 January 202225 May 2022

Bacteria can speed up the growth of biocrust-forming organisms in nurseries, providing more material for restoration of degraded dryland soil.

Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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