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The “Menstrual blood” cells are a rich source of stem cells.

The “monthly curse” may be anything but: menstrual blood appears to be a rich and easily accessible source of adult stem cells, claim two competing research groups. Each month, after a woman’s uterine lining is shed, it has to be rebuilt in preparation for a fertilised egg. This feat involves growing the billions of cells [...]

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Japanese researchers breed transparent frogs

Japanese scientists have bred transparent frogs, whose internal organs can be seen through their skins, giving researchers who study diseases such as cancer insight into organ growth and development. The frogs are the first of their kind, said Professor Masayuki Sumida, who led the project at the Institute for Amphibian Biology at Hiroshima University. The [...]

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