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sediments

An image of a slab of coral. Dark and light bands can be seen, which correlate with growing seasons.
Posted inNews

Coral Cores Pinpoint Onset of Industrial Deforestation

by Grace van Deelen 7 August 20257 August 2025

Trace elements in coral reefs provide a timeline of how Borneo’s rainforests have been altered by industry.

一个清澈的蓝色湖泊位于前景中广阔的干燥土地和背景中高耸的灰色山脉之间,山脉的底部覆盖着常绿的树木。
Posted inResearch Spotlights

地震如何改变湖泊微生物群落

by Rebecca Owen 6 August 20256 August 2025

提示:地震发生后,湖泊的地质、化学和生物成分会重新配置。一项新的研究深入探讨了地震变化对喜马拉雅地区措普湖的影响。

A clear blue lake lies between an expanse of dry dirt in the foreground and towering gray mountains whose lower reaches are covered in evergreen trees in the background.
Posted inResearch Spotlights

How Earthquakes Shake Up Microbial Lake Communities

by Rebecca Owen 24 July 20256 August 2025

After an earthquake, a lake’s geological, chemical, and biological components get reconfigured. A new study dives into the effects of seismic shifts on the Himalayas’ Lake Cuopu.

An image depicts a thin layer of sedimentary rock under a microscope. Fragments of fossilized organisms show up as small dark blobs.
Posted inNews

Biomass and Biodiversity Were Coupled in Earth’s Past

by Grace van Deelen 9 July 20259 July 2025

Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff in Earth’s oceans changed alongside the diversity of organisms.

A man in a bright yellow shirt crouches on a hill, overlooking a burned landscape.
Posted inNews

Pollution from Wildfires Can Contaminate Our Water for up to 8 Years, Study Finds

by Sophie Hurwitz 8 July 20258 July 2025

An analysis of 500 watersheds found levels of organic carbon, phosphorus, and other pollutants up to 103 times higher after a wildfire.

A satellite image of a braided river shows many channels branching out and reconnecting.
Posted inResearch Spotlights

Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River

by Rebecca Owen 2 July 20252 July 2025

The channel threads in braided river systems may be more predictable than previously thought.

Close-up view of pieces of sea ice separated by a strip of open water.
Posted inScience Updates

Finding Consensus on Arctic Ocean Climate History

by Jochen Knies, Matt O’Regan and Claude Hillaire Marcel 25 June 202525 June 2025

Understanding the effects of a “blue” Arctic Ocean on future climate requires a coordinated effort to study Earth’s past warm periods using a variety of classical and cutting-edge methods.

A bird’s-eye view of the Mississippi River delta. The main river runs left to right across the photo and wispy clouds are visible in the foreground.
Posted inNews

Tracking the Sediment Carried by the Muddy Mississippi

by Delaney Dryfoos 10 June 20259 June 2025

New research shows that typically, less than 10% of land-building alluvium reaches the Bird’s Foot Delta region, the southernmost reach of the river, where it meets the Gulf.

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.

Fine-grained sand on the ocean floor, marked by the rippling movement of currents
Posted inResearch Spotlights

Mapping the Ocean Floor with Ancient Tides

Aaron Sidder, freelance science writer by Aaron Sidder 6 May 20256 May 2025

A new study uses a paleotidal model to trace the formation of carbon-rich mud deposits over thousands of years.

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Can Microorganisms Thrive in Earth’s Atmosphere, or Do They Simply Survive There?

7 August 20257 August 2025
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7 August 20255 August 2025
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Early-Career Book Publishing: Growing Roots as Scholars

6 August 202530 July 2025
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