News
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EarthPushing back an oxygen-rich atmosphere
Hematite crystals in Australian rocks hint that Earth’s atmosphere was oxygenated earlier than previously thought.
By Sid Perkins -
HumansRadio relief for Rwandans’ social conflicts
Rwandans who listened to a yearlong radio soap opera developed increased tolerance for dissent, a greater sense of cooperation and more acceptance of marriage across ethnic lines.
By Bruce Bower -
EarthGoo gives eels just the right buoyancy
Scientists survey the specific gravity of 25 marine critters.
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Health & MedicineScientists find a soup of suspects while probing milk’s link to cancer
Latest studies focus on estrogens, androgens and IGF-1.
By Janet Raloff -
Planetary ScienceSeeing the future hot spells
Satellite data could help scientists better predict killer heat waves, such as the one that hit Europe in 2003.
By Sid Perkins -
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ChemistryLight could heal materials
Scientists have created a new material that repairs itself when exposed to ultraviolet light.
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LifeVive la cycles
Researchers have identified a missing gear in the clock that helps plants tell night from day.
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Health & MedicineReading the patterns of spatial memories
Researchers can tell where participants are standing in a virtual world by “seeing” memories of the journey.
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EarthEffects of the weather, underground
Sudden changes in air temperature in the stratosphere that can ultimately steer major storm systems can also influence the number of subatomic particles slamming into detectors located hundreds of meters below ground, a new study reveals.
By Sid Perkins -
AnthropologyPeking Man fossils show their age
Scientists have pushed back the age of Peking Man, raising questions about whether Homo erectus trekked to eastern Asia in two separate migrations.
By Bruce Bower -
HumansScience’s next generation wins accolades
Star students receive more than $530,000 in scholarships and prizes in the Intel Science Talent Search.