Uncategorized
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ChemistryHIV knockout
Cutting a gene in immune cells could offer a new way to treat HIV infections.
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EarthPrecious little gems
Ancient microdiamonds embedded inside ancient zircons found in western Australia suggest that life may have existed on Earth up to 4.25 billion years ago.
By Sid Perkins -
AstronomyPostcards from the edge
New data about the edge of the solar system offer surprises about how the sun interacts with our galaxy.
By Ron Cowen -
AnimalsMighty mites
Mites that were thought to be parasites to their host wasps turn out to be bodyguards, attacking intruders.
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PhysicsLayers in a Stradivarius
Slight differences in the wood from which violins are made might be what distinguishes a mellow-toned Stradivarius from an ordinary instrument.
By Sid Perkins -
Health & MedicineSurviving HIV
Since the development in the mid-1990s of a state-of-the-art drug cocktail for HIV, patient survival has extended dramatically, a new study shows.
By Nathan Seppa -
AnimalsLive fast, die young
With a lifespan of just five months, the chameleon Furcifer labordi leads a briefer life than any other land-dwelling vertebrate.
By Amy Maxmen -
MathOptimizing leafy networks
Scientists reveal a mathematical principle underlying the arrangement of leaf veins in plant species.
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Health & MedicineJourney to the center of the brain
New map of brain's anatomy reveals communication hub that corresponds to an area active when the mind wanders.
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PsychologyWoman knob twists
People nonverbally impose a specific order on descriptions of witnessed events, a tendency that may influence the structure of new languages, a new study suggests.
By Bruce Bower -
AnimalsWhaling, to be announced
The 60th meeting of the International Whaling Commission defers voting on deadlocked issues
By Susan Milius -
SpaceSchool teacher spots green blob
Mystery object appears to be a starless dwarf galaxy.
By Janet Raloff