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EarthWafting pesticides taint far-flung frogs
Agricultural pesticides blowing into California's wilderness areas have played a role in mysterious declines in frog populations.
By Susan Milius -
Gene implicated in development of autism
A gene involved in fetal-brain development may predispose people to develop autism or several related disorders.
By Bruce Bower -
PhysicsSilk and soap settle a century-old flap
The leading explanation for why flags flap in the breeze has run afoul of new experimental findings.
By Peter Weiss -
Health & MedicineAntibiotics, vitamins stall stomach cancer
A 6-year study shows that vitamin C, beta-carotene, and antibiotics can reverse premalignant conditions that could otherwise lead to stomach cancer.