News
- Environment
Old thermometers pose new problems
Though health groups advocate getting mercury thermometers out of the home, obtaining sound advice on how to dispose of the thermometers can be problematic.
- Earth
Most oil enters sea from nonaccidents
Nearly all of the oil entering the marine environment traces not to accidents but to natural seeps and human activities where releases are intentional.
- Earth
Mapping the Frozen Sky: Study looks at clouds from both sides now
By combining simultaneous observations from satellites and ground-based instruments, scientists can generate a three-dimensional map of the size and distribution of ice particles in a cirrus cloud.
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Snooze Power: Midday nap may awaken learning potential
A brief daytime nap may block or even reverse learning declines that occur during extended practice of a perceptual task.
