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Stem cells: the future of medicine

All across the world, scientists have begun clinical trials to try and do just that, by making use of the incredible power and versatility of stem cells, which are special cells that can make endless copies of themselves and transform into every other type of cell. While human embryos contain embryonic stem cells, which help […]

Stem cells offer hope for autism

ROCKLEDGE, Florida (CNN) – Gracie Gregory smiles beneath her brilliant blue eyes. She’s sitting on her mother’s lap, next to her older sister, Ryleigh, who boasts about Gracie being “very sweet and kind.” It wasn’t always so. Just a couple years ago, Ryleigh, 11, was scared of her sister when she’d throw tantrums and screaming […]