Scientists may have made new breakthroughs with finding cures for previously incurable illnesses such as cancer and brain injuries. They are trying to figure out how to develop and create real 3D stem cells that are very similar to those in a regular human body. Stem cells are types of cells that can morph into other cells. They have the potential to either stay in the form of stem cells or to change into red blood cells, brain cells, muscle cells, and other kinds of cells with specific purposes. Stem cells can renew themselves, and the new stem cells also have the same properties as their "parents" where they can change into new cells. Replicating these kinds of cells can help lead to new cures, and that is exactly what these scientists are trying to do.
Sources:
http://finance.yahoo.com/news/rbcc-explores-cures-cancer-brain-100000290.html
http://stemcells.nih.gov/info/basics/basics1.asp
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