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Decellularized "Ghost" Heart The cells are removed by a chemical process, leaving only Extracellular Matrix, so the new cells of the transplantee, which match the DNA, can be grown on this heart, so the rejection of the organ doesn't happen. It's still in the experimental stage, but it is promising.

Update of Maslow's Hierarchy of Needs by topgold, via Flickr #Psychology #Maslows_Hierarchy_of_Needs #Social_Networking #topgold