News
- Astronomy
Magnificent McNaught
Flaunting a majestic tail over southern skies, Comet McNaught became in mid-January the brightest comet in more than 40 years.
- Health & Medicine
Salve for the Lungs: Aspirin might prevent asthma
Regular use of aspirin may prevent healthy adults from developing asthma.
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Mind over Muscle: Placebo boosts health benefits of exercise
The physical rewards of exercise derive not just from muscular exertion but also from a person's mind-set about exercise.
- Tech
Making a 3-D Microscope: Technique brings entire sample into focus
A new imaging technique creates microscopic three-dimensional views of tissues within a patient's body and can update those images several times a second.
