Uncategorized
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Health & MedicineHPV vaccination proves its worth in Australia
A study in Australia finds the shots are already reducing cases of abnormal cervical lesions.
By Nathan Seppa -
AstronomyExoplanet water seen in new light
Astronomers used a new technique to characterize the atmosphere of a gas giant exoplanet.
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AnimalsPeacocks sometimes fake mating hoots
Peacocks may have learned a benefit of deception by sounding their copulation calls even when no peahens are in sight.
By Susan Milius -
NeuroscienceBrain uses decision-making region to tell blue from green
Language and early visual areas of the brain are not crucial for distinguishing colors, an fMRI study suggests.
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GeneticsNeanderthal Man
The hottest thing in human evolution studies right now is DNA extracted from hominid fossils. Svante Pääbo, the dean of ancient-gene research, explains in Neandertal Man how it all began when he bought a piece of calf liver at a supermarket in 1981.
By Bruce Bower -
MicrobesPower-packed bacterial spores generate electricity
With mighty bursts of rehydration, bacterial spores offer a new source of renewable energy.
By Beth Mole -
PhysicsLaser tweezers manipulate objects just 50 nanometers wide
Technique could allow scientists to move proteins, viruses and nanomaterials.
By Andrew Grant -
AgricultureWhere antibiotics go
Of the 51 tons of antibiotics consumed every day in the United States, about 80 percent goes into animal production.
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Health & MedicineBereavement can take toll on health, not just emotions
In the month after a partner dies, spouse more prone to heart attack, stroke.
By Nathan Seppa -
PsychologySuicide rates drop in big cities
With more social connections, people may be less inclined to take their own lives.
By Meghan Rosen -
AnthropologyHuman ancestors at West Asian site deemed two species
Researchers see two species instead of one at oldest known Homo site outside Africa.
By Bruce Bower -
AstronomyKepler space telescope data uncovers 715 new planets
Astronomers used a new tool to quickly confirm the detection of exoplanets.