News
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EarthThe Silent Type: Pacific Northwest hit routinely by nonquakes
Once every 14 months or so, portions of coastal British Columbia and northwestern Washington State experience a slow ground motion that, if released all at once, would generate an earthquake measuring more than 6 on the Richter scale.
By Sid Perkins -
AstronomySuper Wallops: Tracking the origin of cosmic rays
Two new studies shed light on the longstanding mystery of where cosmic rays—the energetic charged particles that bombard our galaxy—originate.
By Ron Cowen -
Health & MedicineRisk Factor: Genetic defect hikes breast cancer threat
A mutation already linked to several types of cancer doubles the risk of breast cancer in a woman and multiplies men's slight risk of the disease even more dramatically.