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bacteria & microbes

Close-up view of a slimy-looking deep purple microbial mat with lighter-colored splotches
Posted inFeatures

Modern Microbial Mats Offer Glimpses of Other Times and Places

by Bopaiah A. Biddanda, Anthony D. Weinke, Ian P. Stone, Steven A. Ruberg and Phil A. Hartmeyer 12 January 202412 January 2024

Comprising diverse groups of microbes, isolated but globally scattered mat ecosystems like those in Lake Huron may be analogues of life on early Earth and in other exotic environs.

A scientist wearing a safety vest and a blue hard hat squats alongside a stream, taking notes in a notebook. The stream cuts through a glacier covered in dark gray sediment.
Posted inENGAGE, News

Microbe Goo Could Help Guide the Search for Life on Mars

by Grace van Deelen 8 December 20238 December 2023

Sticky substances secreted by microbes may help create landforms on Earth. And new research shows that these substances are more preserved in iron-rich sediment. Mars is decidedly iron-rich (it’s the Red Planet, after all), so the new study adds to evidence that microbe goo could help researchers explain landform creation there. “I think this is […]

An aerial photo of a lake with dark blue water, surrounded by pine trees and with a few pieces of monitoring equipment, which look like small white rectangles, on its surface.
Posted inResearch Spotlights

Adding Oxygen to a Lake to Explore Methane Emissions

Sarah Stanley, Science Writer by Sarah Stanley 9 November 20239 November 2023

A rare whole-lake experiment suggests that in some cases, low-oxygen conditions may have a smaller impact on methane release to the atmosphere than previously thought.

Posted inFeatures

Как необычная дружба разрушила мифы о вечной мерзлоте

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 20 September 202320 September 2023

“Прекрасные долгие споры” между американским ученым и российским исследователем помогли прояснить несколько фундаментальных предположений о таянии вечной мерзлоты.

A beaver swims with a stick through a creek in front of tall grass and brush.
Posted inResearch Spotlights

Beavers Are Remaking Microbial Ecosystems in the Arctic

by Saima May Sidik 22 August 202322 August 2023

As beavers expand their range northward into the Arctic tundra, changes in bacterial, archaeal, and fungal communities appear to be following.

A red tide washes over a Florida beach.
Posted inFeatures

Florecimientos de algas nocivas: nada bueno, solo lo malo y lo feo

by James E. Silliman 20 July 202320 July 2023

Diversos factores humanos y naturales están generando florecimientos de algas nocivas cada vez más frecuentes y prolongados. Estudios recientes han comenzado a revelar la magnitud del problema y nos informan sobre soluciones potenciales.

A bright green, oval-shaped organism with short hairs protruding from its exterior is surrounded by smaller circular organisms.
Posted inNews

Ambidextrous Microbes May Pump Out CO2 as Temperatures Rise

Katherine Kornei, Science Writer by Katherine Kornei 7 July 20237 July 2023

Certain microbes that engage in both photosynthesis and predation are more likely to do the latter as the planet warms, resulting in a net release of carbon dioxide.

Photograph of a soil surface
Posted inNews

Solar Panels Nurse Desert Soil Back to Life

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 12 May 202330 May 2023

Cultivating delicate soil crust in the shade of solar panels might boost the recovery of arid land.

Images of measurements taken from a coccolithophore.
Posted inEditors' Highlights

Applying Algal Geometry to Past and Future Environments

by Marguerite A. Xenopoulos 11 May 202310 May 2023

Math can be fun when reconstructing the ocean’s past and forecasting the future with algal geometry.

Un instrumento científico desciende al océano desde un buque de investigación.
Posted inENGAGE, News

La presión del océano profundo tiene un aplastante impacto en el ciclo del carbono

by Elise Cutts 4 May 20234 May 2023

La presión extrema que existe en el mar profundo reduce el apetito de los microorganismos por carbono orgánico. Este hallazgo podría tener implicaciones importantes en la geoingeniería y el balance de carbono global.

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

Features from AGU Publications

Research Spotlights

What Australian Lakes Showed Us About Martian Hydrology

27 July 202627 July 2026
Editors' Highlights

Enhancing Induced Seismicity: A New Window into Earthquake Physics

28 July 202627 July 2026
Editors' Vox

The Hidden Costs of Mining River Sand

27 July 202627 July 2026
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