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metals

Diatoms evolved to substitute cadmium for zinc.
Posted inResearch Spotlights

How Did Diatoms Evolve to Swap Zinc for the Toxic Metal Cadmium?

Sarah Stanley, Science Writer by Sarah Stanley 17 March 20213 May 2022

New network analysis suggests that zinc and cadmium sulfides weathered simultaneously in geological history, making cadmium a suitable substitute in photosynthetic pathways when zinc was scarce.

A woman in profile kneels, looking out over Indigenous land in Arizona.
Posted inNews

Contamination of Medicinal Plants: Implications for Indigenous Health

by R. Mazumdar 9 December 202015 October 2021

A new study will trace the legacy of uranium mining on commercially available medicinal plants.

Plot showing distribution of iron species at three locations
Posted inEditors' Highlights

Zero-valent Iron in the Oxidizing Atmosphere?

by Jonathan H. Jiang 26 October 20205 May 2022

A comparative study of urban, semi-urban, and rural sites reveals that the species of atmospheric iron varies depending on location.

Photograph of mine waste at heal Maid, Cornwall, UK
Posted inEditors' Vox

Exploring the Impacts of Mining on Planetary Health

by K. Hudson-Edwards 29 June 202015 October 2021

Papers are invited for a special collection presenting advances in understanding of the impacts of mining on human, ecosystem, and Earth surface environmental health.

A green laser beam streams between two parts of a cylindrical instrument.
Posted inFeatures

Earth’s Core Is in the Hot Seat

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 24 June 202019 August 2022

How old is Earth’s inner core? High-pressure and high-temperature experiments suggest that our planet’s inner furnace may be much younger than expected.

Chart showing mercury stable isotope concentrations in tree rings
Posted inEditors' Highlights

Trees Are Watching Us and Our Actions

by Ankur R. Desai 31 March 20205 May 2022

Annual growth rings in trees tell us more than climate history; they can also document the rise and fall of human industrial activities.

Close-up image of gravel and dust on an asphalt
Posted inNews

Road Dust: A Health Hazard Hidden in Plain Sight

Megan Sever, Science Writer by Megan Sever 7 November 201912 October 2022

Legacy heavy metals from past industrial activity combine with traffic paint; asphalt; and bits of tires, brakes, and car parts to create toxic dust on our roadways.

Illustration of oblong planet in front of bright star
Posted inNews

Ultrahot Exoplanet Bleeds Heavy Metals into Space

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 5 August 201931 October 2022

The planet is also shaped like a football (the American kind).

Petri dishes, each marked Geotraces
Posted inResearch Spotlights

Big Data Help Paint a New Picture of Trace Element Cycling

by Terri Cook 29 May 201911 October 2022

A new framework for understanding the suite of processes acting on marine particulate trace metals exemplifies how alternative analyses can maximize the information that large data sets provide.

Researchers look at metals in the millimeter-thick sea surface microlayer to better understand how the layer can affect ocean health
Posted inResearch Spotlights

Why Trace Metals Cling to the Ocean’s Skin

by E. Underwood 14 August 201825 August 2022

Metals within the millimeter-thick sea surface microlayer may impact ocean health and climate.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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