News
- Earth
Long Ride West: Many western sediments came from Appalachians
Much of the material in several thick layers of sandstone in the western United States originated in the Appalachians.
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Dyslexia’s DNA Clue: Gene takes stage in learning disorder
For the first time, scientists have identified a gene that appears to influence the development of at least some cases of dyslexia.
- Earth
Nonstick but not nontoxic
A proliferating pollutant shed by nonstick products and surfactants caused neonatal deaths and developmental impairments in tests with rodents.
- Earth
Testing computers’ hazardous potential
The approved test for evaluating the ability of wastes to leach toxic metals fails to identify lead risks from some electronics equipment.
