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bacteria & microbes

Photo of a man in a lab coat holding a soil core
Posted inNews

New Tool Reveals That Soils Are Teeming with Active Microbes

Sarah Derouin, Science Writer by Sarah Derouin 6 August 201931 January 2023

BONCAT, a new type of amino acid tagging, highlights and categorizes active soil microbes in situ.

Close-up photo of tan sandstone with gray splotches
Posted inNews

Paleontologists Peer Inside Billion-Year-Old Cells

Hannah Thomasy, Science Writer by Hannah Thomasy 6 August 201922 February 2022

Scientists have discovered the fossilized remains of Precambrian cells extraordinarily preserved with the rare earth element phosphates monazite and xenotime.

Photograph of biogeochemist Jordon Hemingway collecting a sediment sample from the Thjórsá River in southern Iceland
Posted inNews

The Jail That Keeps Oxygen in the Air

Lucas Joel by L. Joel 25 July 201922 February 2022

Oxygen shouldn’t be in the air we breathe. But it is, and the reason why is almost criminal.

An illustration showing microscopic colloidal particles adhered to sand grains in an aquifer from which groundwater is being pumped to the surface via a well.
Posted inResearch Spotlights

Treating Colloids as Clusters Better Predicts Their Behavior

by Terri Cook 25 July 20196 February 2023

New research suggests that an accurate prediction of colloidal particle mobilization in the environment should account for the effect of clustering.

Steam rises from garbage and a polluted river.
Posted inNews

Antibiotics Are Flooding Earth’s Rivers

Lucas Joel by L. Joel 5 July 20196 March 2023

The drugs can lead to drug-resistant bacteria and deadly infections.

Photo of rocky hot springs covered by yellow microbial mats
Posted inNews

Microbes Spotted in “Polyextreme” Hot Springs

Katherine Kornei, Science Writer by Katherine Kornei 24 June 20194 January 2023

Hot springs that are as acidic as battery acid are home to single-celled microorganisms that may indicate that life could have been sustained on ancient Mars.

Photo of a river limned by marshlands
Posted inResearch Spotlights

Tracking Dissolved Organic Matter in Coastal Ecosystems

Elizabeth Thompson by Elizabeth Thompson 6 June 201926 March 2024

Dissolved organic matter supports aquatic food webs and holds as much carbon as the atmosphere. A new study tracks which sources and processes play the biggest role in coastal systems.

Tara Oceans expedition ship in the Arctic
Posted inNews

Marine Virus Survey Reveals Biodiversity Hot Spots

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 3 May 201918 October 2022

Ocean samples collected from around the world produced a twelvefold increase in the number of marine viruses known. A portion of the Arctic Ocean has “surprisingly high diversity.”

Tracers of ecosystem respiration
Posted inResearch Spotlights

Understanding Stream Metabolism with Reactive Tracers

Aaron Sidder, freelance science writer by Aaron Sidder 29 April 20197 March 2022

When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.

Meltwater flows in a canyon around 30 meters deep in Greenland.
Posted inResearch Spotlights

Mapping Ice Algal Blooms from Space

by E. Underwood 17 April 20196 July 2022

Satellite data reveal how colorful algae are melting the Greenland ice sheet.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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27 July 202627 July 2026
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Rising CO2 Alters Upper Atmosphere Response to Stratosphere Sudden Warming

29 July 202627 July 2026
Editors' Vox

The Hidden Costs of Mining River Sand

27 July 202627 July 2026
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