News
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PhysicsWhy is antimatter absent? Hunt heats up
Two new particle accelerators built to help discover why there's matter instead of antimatter in the universe are closing in on an answer at record speed.
By Peter Weiss -
PlantsTeam corners culprit in sudden oak death
After 5 years of mystery, California pathologists announced they may have identified the cause of a new tree disease called sudden oak death.
By Susan Milius -
EarthLack of spring snowpack bodes ill for many
NASA satellite images released last week confirmed that the northern United States had much less snow cover than normal this spring, following North America's warmest winter on record.