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MP3 Guardian science correspondent Ian Sample meets the celebrated cosmologist Max Tegmark to discuss his latest book, Our Mathematical Universe. In an extended interview, Max talks about our scientific understanding of the structure of the …

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Blood stem cell growth factor reverses memory decline in mice (PhysOrg)

Submitted by on July 1, 2009 – 3:21 pm

Read more… A human growth factor that stimulates blood stem cells to proliferate in the bone marrow reverses memory impairment in mice genetically altered to develop Alzheimer’s disease, researchers at the University of South Florida and James A. Haley Hospital found. The granulocyte-colony stimulating factor (GCSF) significantly reduced levels of the brain-clogging protein beta amyloid deposited in excess in the brains of the Alzheimer’s mice, increased the production of new neurons and promoted nerve cell connections.

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