• About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Support Eos
Sign Up for Newsletter
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

biogeochemistry

一条河流及后面可见的绿色河岸,山峦和一处灰色的建筑。
Posted inResearch Spotlights

追踪黑碳进入海洋的过程

Aaron Sidder, freelance science writer by Aaron Sidder 24 July 202524 July 2025

科学家们对三个河口进行研究,来寻找海洋溶解黑碳缺失的来源。

A green riverbank and a building are visible behind a river.
Posted inResearch Spotlights

Tracing Black Carbon’s Journey to the Ocean

Aaron Sidder, freelance science writer by Aaron Sidder 11 July 202524 July 2025

Scientists surveyed a trio of estuaries in pursuit of a missing source of oceanic dissolved black carbon.

Two people lean over the side of a ship, lowering a long, yellow cylindrical instrument into the ocean.
Posted inResearch Spotlights

Robotic Floats Quantify Sinking Carbon in the Southern Ocean

Sarah Stanley, Science Writer by Sarah Stanley 27 May 202527 May 2025

An estimated 2.69 billion tons of carbon are exported to the deep sea every year from the Southern Ocean.

In the foreground is a beach covered in brownish seaweed, farther back is a body of water coated in chunks of floating ice, and in the distance are mountains and the sky.
Posted inResearch Spotlights

Seaweed Surges May Alter Arctic Fjord Carbon Dynamics

Sarah Stanley, Science Writer by Sarah Stanley 16 May 202516 May 2025

Climate change–accelerated seaweed growth could cause seaweed-dependent microbes to proliferate and consume more oxygen, leading to a rise in oxygen-starved zones.

Close-up of a partially surfaced humpback whale showing its baleen
Posted inNews

A Great Whale Conveyor Belt Transports Nutrients Across Oceans

Adityarup Chakravorty, freelance science writer by Adityarup Chakravorty 5 May 20255 May 2025

Baleen whales shift huge amounts of nutrients, including nitrogen, from high-latitude feeding waters to tropical breeding areas.

Satellite view of swirling blooms of green algae and cyanobacteria in the Baltic Sea near the Swedish island of Gotland
Posted inFeatures

Could Bubbling Oxygen Revitalize Dying Coastal Seas?

by Caroline P. Slomp and Andreas Oschlies 1 May 20257 May 2025

Reoxygenation approaches have shown some success in lakes, but their potential risks must be examined carefully before they’re implemented as solutions to improve the health of coastal waters.

A pile of dried tea leaves lies on a wooden table next to a cup of brewing tea.
Posted inNews

Tea Leaves Remove Lead from Water

by Skyler Ware 10 April 202510 April 2025

Surface and chemical properties of tea leaves may help explain the correlation between tea consumption and lower incidences of heart disease, high blood pressure, and stroke.

The gray surface of Enceladus with plumes of gas escaping from the surface into space
Posted inResearch Spotlights

Using Algorithms to Help Find Life on Icy Ocean Worlds

by Saima May Sidik 21 March 202521 March 2025

Scientists could use machine learning to analyze atmospheric samples in order to help identify microbes on frozen moons. They’re testing the concept using bottles of brine and smelly bacteria.

Photo of a river
Posted inEditors' Highlights

Carbon-Nutrient Ratios Drive Nitrate Removal in Mediterranean Streams

by Kyle Boodoo and Suzanne Tank 19 March 202519 March 2025

The type of organic matter, and ratio of nutrients to carbon, impact the ability of heterotrophic bacteria to effectively remove certain forms of nitrogen pollution (nitrate) from streams.

Diagram
Posted inEditors' Highlights

Coastal Dynamics Revealed by Satellite Salinity Data

by Yuanlong Li 11 February 20257 February 2025

One decade of high-quality satellite salinity observations provide valuable insights into the complex dynamics in the Mid-Atlantic Bight.

Posts pagination

Newer posts 1 2 3 4 5 … 9 Older posts
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

Io’s Hidden Heat Revealed for the First Time

24 July 202623 July 2026
Editors' Highlights

Redesigning Farmland Through Community Collaboration in California

22 July 202621 July 2026
Editors' Vox

Why Healthy Soils Matter More Than Ever

22 July 202622 July 2026
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2026 American Geophysical Union. All rights reserved Powered by Newspack