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.
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Addiction Subtraction: Brain damage curbs cigarette urge
Scientists have identified an area of the brain where damage seems to quickly halt a person's desire to smoke.
- Planetary Science
Stellar death may spawn solar system
Material shed by a dying star might give birth to planets.
- Astronomy
Astronomers discover smallest galaxy ever
Astronomers have found the smallest galaxy yet recorded, about one-sixteenth the diameter of the Milky Way.
- Physics
Solving a 400-year-old supernova riddle
Astronomers have determined that Kepler's supernova, the last stellar explosion witnessed in our galaxy, belongs to the class known as type 1a.
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- Earth
Heating releases cookware chemicals
Nonstick coatings on fry pans and microwave-popcorn bags can, when heated, release traces of potentially toxic perfluorinated chemicals.
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Aging vets take stress disorder to heart
Veterans grappling for decades with post-traumatic stress disorder have a greater risk of developing and dying from heart disease than do their peers who don't suffer from the stress ailment.
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Trichomoniasis-causing organism is sequenced
Scientists have taken a first read of the genetic sequence of the organism responsible for a sexually transmitted infection called trichomoniasis.
