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.

New stem cell research takes aim at origins of human cancers

How do cells become cancerous, multiply uncontrollably, and form into tumors? And what role do aberrant embryonic stem cells play? These are big questions explored by medical researchers since the embryonic theory of cancer ...

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