Postwar reconstruction is likely the cause of elevated thallium levels, but low-oxygen, high-sulfide conditions keep the material, which is extremely dangerous to mammalian health, from moving into the human food chain.
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Radioactive Sediments May Have Built Earth’s Cratons
Weathering of the earliest continents could have set in motion the formation of cratons, the immutable roots of continents.
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Antarctic Ice Doughnuts May Hold the Key to Shelf Collapse
The first direct record of ring fractures in Antarctic ice shows how the phenomenon could cause rapid ice shelf collapse.
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More than a Third of Coastal Alaska Structures May Be at Risk of Flooding by 2100
A new analysis of flood exposure shows many residential buildings at risk as sea levels rise.
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Toxic Ethylene Oxide May Exceed Safe Levels in Cancer Alley
Concentrations of the cancer-causing chemical far surpass EPA threshold levels for safety in southeastern Louisiana.
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Agricultural Lands Are Losing Topsoil—Here’s How Bad It Could Get
A new study says topsoil erosion is likely to increase under climate change, though policy changes now could help stem the loss.
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“How Did We Miss This for So Long?” The Link Between Extreme Heat and Preterm Birth
Heat waves are making pregnancy more dangerous and exacerbating existing maternal health disparities.
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A Splashy Meteorite Was Forged in Multiple Collisions
The Winchcombe meteorite was recovered, largely from a driveway, just hours after it fell to Earth, preserving evidence that its early relatives could have filled Earth’s oceans.
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The JOIDES Resolution Embarks on Its Final Expedition
On the ship’s last cruise, scientists will collect data to help predict future effects of climate change.
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Finally, Hawaii Gets Its Own Climate Divisions
Researchers have analyzed precipitation patterns in the 50th state to define a long-overdue data set that brings Hawaii into the fold of modern-day climate analyses.