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Flawed Stem Cells Yield Fragile X Clues: Researchers study genetic disorder via discarded embryos
The most common inherited cause of mental retardation arises when a mutated gene is shut down early in embryonic development.
By Brian Vastag -
Health & MedicineBone Builder: Drug may offer steroid users new protection against fractures
A bone-growth medication called teriparatide outperforms the standard bone-preserving drug alendronate in people with steroid-induced osteoporosis.
By Nathan Seppa -
AstronomyFlare-Up: Comet Holmes’ surprise bloom
Comet 17P/Holmes abruptly brightened last month, blossoming into a naked eye object.
By Ron Cowen -
Crime Growth: Early mental ills fuel young-adult offending
Mental disorders in children can lead to criminal behavior in adulthood.