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Stem Cells from Virgin Eggs
Making embryonic stem cells from unfertilized eggs might bypass many ethical concerns, but important scientific hurdles remain.
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LifeMitochondria Gone Bad
Problems in the cell’s energy factories power new ideas on disease and aging.
By Laura Beil -
HumansScience News at ISEF 2009
Highlights from the 2009 Intel Science and Engineering Fair in Reno, Nev.
By Science News