Danny mentioned something yesterday regarding a Stephen Fry documentary were he visited a place in America and they studied cadaver's and the rate at which they decomposed.
This was a study so that they could be more accurate in fixing a true time to a death.
It is a very disturbing place to visit with pungent smells and wrotting flesh but all that said it is a very vital piece of research that needs to be undertaken.
If you want to read more on this subject follow the link below:
Below are a couple of the tamer images that can be found on the web site.