News
- Humans
EPA to fine DuPont over ingredient in Teflon
The Environmental Protection Agency says it may levy a fine surpassing $300 million against DuPont for concealing evidence that it was contaminating the environment with perfluorooctanoic acid.
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Brain development disturbed in autism
A brain-imaging study suggests that autism is characterized by disturbances in the development of the amygdala and the hippocampus, two inner-brain structures.
- Paleontology
Early life forms had a modular structure
Fossils recently discovered in northeastern Newfoundland reveal that some of Earth's earliest large organisms had modular body plans whose main architectural element was a branching, frondlike structure.
- Health & Medicine
Dentists: Eschew chewing aspirin
Chewing aspirin or just letting the tablets dissolve in the mouth can seriously damage teeth.
