Bone Marrow Stem Cell Conversion
Scientists from the University of Newcastle upon Tyne led by biologist Karim Nayernia discovered a method of creating partly developed sperm cells, otherwise known as "spermatogonial" stem cells, from the bone marrow of both sexes, entirely in-vitro (outside the human body), and is seeking funding to see whether such techniques can be used to make female sperm.
Read more about this topic: Female Sperm
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“Sang a bone upon the shore;
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Whether of pleasure or of rest,
Upon the abundance of my breast”:
A bone wave-whitened and dried in the wind.
”
—William Butler Yeats (1865–1939)
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And so not good for anything but cider.”
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—George Bernard Shaw (1856–1950)