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bacteria & microbes

Photo of a desert with white salt on the surface.
Posted inEditors' Vox

Soil Salinization: A Rising Threat to Ecosystems and Global Food Security

by Nima Shokri, Amirhossein Hassani and Muhammad Sahimi 21 October 202418 October 2024

As soil salinization intensifies, it poses serious threats to ecosystems, soil health, global food security and socio-economic stability.

A satellite image shows miles-wide blooms of green phytoplankton in the ocean.
Posted inNews

Microbe Preferences Drive Ocean Carbon Pump

by Grace van Deelen 15 October 202415 October 2024

New research offers insight into how certain bacteria degrade organic matter in Earth’s oceans.

A thin stream of water on a dirt surface curves off to the left out of frame. Two large mountains—one a snowy peak, one not—are in the distance.
Posted inResearch Spotlights

Each Glacier Has a Unique Organic Matter Composition

by Saima May Sidik 15 October 202415 October 2024

Like snowflakes, no two glaciers are alike: Carbon-containing compounds released from glaciers vary from place to place, meaning climate and ecosystem effects of melting could vary as well.

A submersible vessel explores a polymetallic nodule field on the seafloor in the Pacific Ocean.
Posted inResearch Spotlights

The Unexpected Role of Magnetic Microbes in Deep-Sea Mining

Aaron Sidder, freelance science writer by Aaron Sidder 26 September 202424 April 2025

A new study highlights the co-occurrence of magnetic bacteria and polymetallic nodules and may offer insights into how the mineral-rich nodules form on the ocean floor.

Bright sunlight filters through tall trees growing from a mossy forest floor.
Posted inNews

Microbes in Tree Bark Absorb Millions of Tons of Methane Each Year

by Skyler Ware 23 August 202423 August 2024

New findings suggest that reforestation efforts could have a bigger—and more positive—climate impact than previously estimated.

A scientist collects soil samples in Ukraine.
Posted inNews

Ukrainian Scientists Race to Document Soil Fungi

by Andrew J. Wight 15 August 202415 August 2024

Genetic sequencing of samples collected from across the country contribute to a global database and may help researchers assess the damage caused by war.

Eos logo with line art microphone and arced lines representing sound
Posted inNews

Solar Panel Arrays May Affect Soil Carbon Levels

by Emily Dieckman 8 August 202417 October 2024

As research ramps up on how to maximize the benefits of colocating agriculture and solar panels, researchers are also beginning to investigate other potential ecosystem benefits.

Several people stand next to a rice paddy, with palm trees in the background.
Posted inFeatures

Thanh Huong “Helen” Nguyen: Chasing Down Pathogens

Katherine Kornei, Science Writer by Katherine Kornei 25 July 202425 July 2024

An environmental engineer addresses some of public health’s biggest problems.

Two people install a permeable reactive barrier next to open water.
Posted inNews

Reactive Barriers Could Keep Nitrate out of the Atlantic

by Alix Soliman 15 July 202415 July 2024

Microbes in mulch scrub nitrate from groundwater before it flows to the sea.

A van labeled “Extremophiles” stands next to ladders extending into a small, deep pit dug into the Atacama Desert.
Posted inNews

Researchers Find Bacterial Communities Deep Beneath the Atacama

by Alejandro Pardo 12 July 202411 July 2024

Extremophile microbes exist in the gypsum-rich “fringes” of the driest place on Earth.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

Features from AGU Publications

Research Spotlights

Denitrification Looks Different in Rivers Versus Streams

16 January 202616 January 2026
Editors' Highlights

How Satellite Data Helped Avoid Hunger from Drought

20 January 202620 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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