Taking extremely complex concepts or processes and converting them into messages we can all understand is what medical animation is all about. In this recently completed movie for Mango Communications and OSI Pharmaceuticals, we tackled a cellular level process that even most bio-scientists have a tough time visualizing. By working closely with the OSI scientists involved with the development of the cancer drug Aptosyn, we were able to dynamically illustrate their drug's effect on this very complex biological system.