http://www.ted.com/talks/hugh_herr_the_new_bionics_that_let_us_
look at this TED talk. it is so touching, almost make me cry. This doesn't
have much to do with what so called biological research, but who knows,
maybe someday the biomedical research can help those obese diabetic people
or people who have some other disease led normal life as prof Herr did