Uncategorized
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ClimateAlaskan peatlands expanded rapidly as ice age waned
The rapid growth of Alaskan wetlands before 8,600 years ago was due to hotter summers and colder winters, which could spell trouble in a warmer world, a new study suggests.
By Sid Perkins -
LifeInsulin-producing cells can regenerate in diabetic mice
Animal study finds that the pancreas can spontaneously regenerate beta cells.
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LifeResearchers figure out how flies taste water
A study identifies the cell membrane protein that flies use to detect water’s flavor.
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MathMillion-dollar math prize awarded, but not necessarily accepted
The reclusive mathematician who proved the Poincaré conjecture may or may not claim his prize.
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LifeWhen two hyenas get the giggles
Laughs of higher-status individuals are more posh, a study in a captive colony suggests.
By Susan Milius -
AnthropologyInca cemetery holds brutal glimpses of Spanish violence
Bones from a 500-year-old cemetery have yielded the first direct evidence of Inca death at Spaniards’ hands.
By Bruce Bower -
Health & MedicineBees forage with their guts
Researchers show that a gene helps honeybees choose between nectar and pollen.
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SpaceCosmic magnetic field strength measured
Hints of weak magnetism between galaxies narrows options for how the early universe got its fields.
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HumansFor a rare few, driving and cell phones go well together
Some people do well at combining driving with cell phone use, raising questions about the nature of attention.
By Bruce Bower -
LifeFirst songbird genome arrives with spring
The genome of a songbird has been decoded for the first time. Zebra finches join chickens as the only birds to have detailed maps of their genetic blueprints.
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Health & MedicinePutting African sleeping sickness to bed
Experiments in mice find a protein that could lead to a safer and more effective treatment for parasitic disease.
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Planetary ScienceWarmth in the dark age
Lower reflectivity kept Earth from freezing under a fainter young sun.
By Sid Perkins