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Latest Paul Cooke Stories

2009-07-28 20:40:36

Sperm cell precursors can be converted into other cell types, providing a possible alternative to the medical use of embryonic stem cells, U.S. researchers say. The University of Illinois research, described in the journal Stem Cells, improves on earlier research that showed that a kind of germ cell that leads to the production of sperm could eventually give rise to a few cells that looked and acted like embryonic stem cells. But the earlier process with the spermatagonial stem cells took...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'