News
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AstronomySupernova is a dust factory
Grains of matter spewed by stellar explosion offer clues to early star formation.
By Andrew Grant -
AstronomyUnusual three-star system promises new test of gravity
A unique stellar threesome could help astronomers test the leading theory of gravity to unprecedented precision.
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NeuroscienceHormone hampers effects of marijuana
Study of pot-blocking brain chemical in rodents could lead to new treatments for cannabis addiction.
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AstronomyRelic of early universe found nearby
A galaxy little changed since the dawn of the universe shows up in our celestial neighborhood.
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AnimalsSmoker’s breath saves caterpillars’ lives
Larvae of the tobacco hornworm caterpillar exhale nicotine, driving away predatory spiders.
By Susan Milius -
Health & MedicineVitamin E might limit Alzheimer’s decline
A trial of vitamin E in elderly veterans with Alzheimer’s shows promise for those in the early stages of the disease.
By Nathan Seppa -
NeuroscienceBad memories fade with a short jolt
Research illustrates the vulnerability of the brain’s information storage.
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PlantsLone survivor of ancient flowers is gluttonous gene consumer
The rare Amborella shrub has engulfed whole genomes from other species.
By Susan Milius -
LifeSolving the mystery of Alzheimer’s start
Molecular evildoers team up to launch neural destruction.
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ChemistrySalt spices up chemistry
Hot, compressed sodium chloride stretches the fundamental rules of matter.
By Beth Mole -
Planetary ScienceExoplanet mass revealed in light
A new method could help identify habitable planets.
By Andrew Grant -
NeuroscienceNarcolepsy may be an autoimmune disease
Narcolepsy occurs when wayward immune forces launch an attack on brain cells responsible for wakefulness, a new study suggests.
By Nathan Seppa