Bioscience:Secrets of the Sequence（23）
The lastest DNA identification science has helped identify more than 1，200 victims of the terrorist attacks a year ago. You begin to understand that this is important work. The same science is helping people find long lost relatives and trace the family tree. There are one billion potential ancestors for each one of us. And a report about using a leukemia patient's own bone marrow as a source to help create stem cells to cure the disease， it's been the holy grail of cancer biology.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/29 9:28:20