Professor Nick Hastie , director of the Medical Research Council 's Human Genetics Unit , said : `` It is very unusual for a piece of work to completely revolutionize the whole way we think about biological processes and regulation , but this has opened up a whole new field in biology . '' According to Professor Nick Hastie , director of the Medical Research Council 's Human Genetics Unit , said : `` It is very unusual for a piece of work to completely revolutionize the whole way we think about biological processes and regulation , but this has opened up a whole new field in biology . ''