When is a stem cell really a stem cell?

(PhysOrg.com) -- Induced pluripotent stem (iPS) cells -- adult cells reprogrammed to look and function like versatile embryonic stem cells -- are of growing interest in medicine. They may provide a way to create different ...

Scientists turn stem cells into precursors for sperm, eggs

Human embryonic stem cells derived from excess IVF embryos may help scientists unlock the mysteries of infertility for other couples struggling to conceive, according to new research from the Stanford University School of ...

Unlocking the key to human fertility

Scientists at Leeds and Bradford have discovered a unique 'DNA signature' in human sperm, which may act as a key that unlocks an egg's fertility and triggers new life.

Stem cell surprise for tissue regeneration (w/ Podcast)

Scientists working at the Carnegie Institution's Department of Embryology, with colleagues, have overturned previous research that identified critical genes for making muscle stem cells. It turns out that the genes that make ...

At Long Last, How Plants Make Eggs

(PhysOrg.com) -- A long-standing mystery surrounding a fundamental process in plant biology has been solved by a team of scientists at the University of California, Davis.

Obama to reverse Bush limits on stem-cell research

US President Barack Obama will on Monday sign an executive order reversing Bush administration restrictions on federal funding for stem-cell research, a senior administration official said.

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