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Scientists say they have created a stem cell line from a human embryo that had stopped developing naturally, and so was considered dead. Using such embryos might ease ethical concerns about creating such cells, they suggested. One expert said the technique makes harvesting stem cells no more ethically troublesome than …

WYOMING, Michigan – A school safety drill that included police officers in riot gear with weapons has caused concern among some parents who say it was too realistic and frightened some students. Police in the western Michigan community of Wyoming entered two classrooms at Lee Middle and High School on …

NEW YORK – KFC said it is phasing out trans fats in cooking its Original Recipe and Extra Crispy fried chicken, Potato Wedges and other menu items. Trans fats are believed to raise consumer cholesterol levels. The restaurant chain said Monday it will start using zero trans fat soybean oil …