Search Results for: assessments
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3,585 results
3,585 results for: assessments
- Astronomy
Magnetic field of black hole measured
Pulsar near Milky Way’s center makes first assessment of this type possible.
- Earth
Millions in China at risk of exposure to arsenic-tainted water
Simulation shows possibly contaminated areas and predicts populations at risk.
- Health & Medicine
Test could warn of problems for kidney transplant recipients
A urine test for an immune protein might tell doctors whether a patient is headed for trouble.
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Toxicology Game
The University of Washington’s evolving Project Greenskate Web site gives students the chance to investigate potential health concerns surrounding the hypothetical development of a city park on a former industrial site. They visit various fictitious places, such as the Department of Environmental Quality, City Hall, a Community Center, and the local high school, to obtain […]
- Animals
Frustrated fish get feisty
Smaller rainbow trout become more aggressive towards bigger fish when they don’t their usual treats.
- Humans
Big babies: High birthweight may signal later health risks
A high birthweight might signal health risks later in life.
- Humans
Letters from the September 22, 2007, issue of Science News
Personnel question In “E-Waste Hazards: Chinese gear recyclers absorb toxic chemicals” (SN: 7/14/07, p. 20), researchers found “astronomical concentrations” of deca-BDE in the residents of Guiyu, and the article cites studies showing that related PBDEs harm brain development in mice and rats. So, has any actual increase in brain-development problems been found in people in […]
- Chemistry
Decay of Leonardo da Vinci drawing reflected in light
Light that bounces off a Leonardo da Vinci drawing, widely considered a self-portrait, has revealed extensive chemical damage that causes yellowing.
- Health & Medicine
Early malnutrition may impair infants’ mix of gut microbes
Babies’ gut microbiomes fail to fully recover even after fending off bouts with malnutrition.
- Agriculture
Fertilizer produces far more greenhouse gas than expected
Farmers’ overuse of nitrogen-based fertilizers may explain previously puzzling high emissions of nitrous oxide.
- Health & Medicine
Number of skin moles tied to breast cancer risk
Women who have many moles also have increased disease risk, which may reflect higher estrogen levels.
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18955
I am writing to correct a significant inaccuracy in your recent article “Landfills make mercury more toxic.” As a member of the National Research Council’s committee that produced the report you cite, I feel obligated to correct your statement, attributed to that report: “Some 60,000 U.S. children are born with developmental impairments triggered by fetal […]
