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GeneticsThese genes may be why dogs are so friendly
Dog domestication may be the result of just a few genetic changes, including ones that made canines more interested in interacting with people.
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ArchaeologyHumans first settled in Australia as early as 65,000 years ago
Australia may have said “G’day” to humankind thousands of years earlier than previously believed.
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TechThe incredible shrinking transistor just got smaller
Tiniest transistor, made with carbon nanotubes, suggests computers aren’t done shrinking down.
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Health & MedicineCommon drugs help reverse signs of fetal alcohol syndrome in rats
A thyroid hormone and a blood sugar drug affect levels of a hormone needed for brain development, study in rats shows.
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GeneticsDog domestication happened just once, ancient DNA study suggests
DNA of ancient canines counters idea that dogs were domesticated twice, in Europe and Asia.
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PhysicsScientists peek inside the mind of Maxwell’s demon
Scientists probe information retained by Maxwell’s demon.
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Planetary ScienceGiant mud balls roamed the early solar system
The first asteroids may have been great balls of mud, which would solve some puzzling features of meteorites.
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AgricultureGM moth trial gets a green light from USDA
GM diamondback moths will take wing in a New York field trial.
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AnimalsWater bears will survive the end of the world as we know it
Water bears have a till-death-do-us-part pact with the sun, study suggests.
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ArchaeologyCopper in Ötzi the Iceman’s ax came from surprisingly far away
Copper for the ancient Iceman’s blade traveled about 500 kilometers to his northern Italian home region.
By Bruce Bower -
LifeThese bacteria may egg on colon cancer
Streptococcus gallolyticus may goad colon cancer growth.
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AnimalsRavens pass tests of planning ahead in unnatural tasks
Clever birds may have evolved their own broad powers of apelike thinking about the future.
By Susan Milius