A new study found that children living near mine tailings in Johannesburg had nearly twice as much uranium in their hair as children not living near tailings—and the younger the children, the higher the uranium concentrations.
uranium
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Scientists Find Clues to Atlantic Current’s Future in Ancient Iceberg Debris
Modern ice loss from Greenland rivals the most dramatic episodes of ice sheet collapse.
Posted inResearch Spotlights
Radioactive Isotopes Trace Hidden Arctic Currents
Tracing anthropogenic radionuclides shows researchers how water from the Atlantic flows into and mingles with Arctic currents.
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Ignored Paths of Uranium Exposure Illuminated by Havasupai Tribe
An agency-tribal partnership is identifying exposure risks previously not considered in mining risk assessments.
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The Moon Is Even Older Than Scientists Thought
How did the Moon form and how old is it? The most precise dating yet of Earth’s largest satellite found that it is much older than previously thought.
Posted inResearch Spotlights
Estimating Uranium and Thorium Abundance with Geoneutrinos
Terrestrial electron antineutrino observations provide new constraints on the contributions of radiogenic heat in the mantle.
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Uranium Detected in Latinx Communities’ Water Systems
The unsafe contaminant levels could not be attributed to differences in regional geology, water source, or community size. Researchers suggest they are due to a failure of regulatory policy.
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Impact Structure Hidden Under Arctic Ice Dates to the Paleocene
Greenland’s Hiawatha impact structure, more than 30 kilometers in diameter, is much older than previously thought, new results suggest.
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Vestiges of a Volcanic Arc Hidden Within Chicxulub Crater
Scientists discovered magmatic remnants of a volcanic arc by dating granitic rocks of the middle crust excavated by, and hidden within, the Chicxulub impact crater.
Posted inResearch Spotlights
Certain Rock Formations Can Lead to In-Home Radon Risks
Researchers in Kentucky have merged results from home test kits with the state’s geologic map to produce a map of indoor radon potential based on the geology underlying homes in the state.