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EarthLong-Term Ocean Venting: Seafloor system has been active for ages
Analyses of mineral deposits in and around a unique set of hydrothermal vents beneath the Atlantic Ocean suggest that the site's tallest towers of minerals have been growing for at least 30,000 years.
By Sid Perkins -
Giving Aid, Staying Alive: Elderly helpers have longevity advantage
Over a 5-year period, older people who offered a lot of social support to their spouses, friends, relatives, and neighbors displayed a lower mortality rate than seniors who gave little or no social support.
By Bruce Bower -
Health & MedicineIntestinal Fortitude: Treatment for colitis shows early success
Given as a drug, a protein fragment called epidermal growth factor induces remission in people with ulcerative colitis, apparently by healing intestinal lesions.