Uncategorized
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NeuroscienceItch-busting nerve cells could block urge to scratch
A group of nerve cells in the spinal cord keep mechanical itch in check.
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AnthropologyPetite primate fossil could upend ideas about ape evolution
Ancient fossils suggest modern apes descended from a small, gibbonlike creature.
By Bruce Bower -
Neuroscience1960s dog brain transplant was not followed by human studies
A pioneering study to transplant a dog’s brain led to later work on a monkey, but ethical considerations and technical know-how have prevented further work.
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Planetary ScienceOxygen leaking from comet surprises astronomers
The Rosetta spacecraft detected oxygen molecules coming out of comet 67P that might have been buried since the formation of the solar system.
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LifeHow electric eels put more zip in their zap
With feisty prey, an electric eel curls its tail to intensify shocks and exhaust prey.
By Susan Milius -
LifeRare reptile holds clue to penis evolution
Preserved Victorian specimens reveal budding embryonic penis that disappears before adulthood.
By Susan Milius -
EarthParched parts of Earth expanding
More drylands, largely impacting developing nations, are forecasted for near future.
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Health & MedicineDaily drug shown effective in preventing HIV infections
After a history of controversy, preexposure prophylaxis has been demonstrated to work for HIV prevention.
By Laura Beil -
AnimalsCat-versus-virus arms race goes back millennia
Researchers have found evidence of an ancient arms race between Felis silvestris catus, the species familiar today as the domestic cat, and feline immunodeficiency virus.
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Health & MedicineEating meat officially raises cancer risk
Eating processed meats like bacon, ham and sausage causes cancer, says the World Health Organization.
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Quantum PhysicsLight mimics hotel with limitless vacancies
By mimicking a mathematician’s method for creating vacancies in a hotel with an infinite number of rooms, physicists may have found a way of increasing the amount of data that can be carried via light.
By Andrew Grant -
AnimalsSalamander ancestors could regenerate limbs
Salamanders and ancient amphibians share similar way of regenerating limbs.