nobel prize in physiology or medicine jointly to where caylee sir peter ratcliffe and greg. the 29000 winners of one of the world's highest. the wards worked for the most part independently of each other the announcement caught them unawares at that point i think it was just so surreal and i sort of had this out of body feeling of just great appreciation and i got to start so thrilled to share this with all the people who have met meant so much to me in my life well. all the little bit surprised at this morning yeah i have a deep sleep 1st. i think wake up eventually but by the time i got to the phone it was too late and so i said to myself i wonder if this is somebody who's idea of a bad joke in them is the 3 scientists were chosen for their work on how cells sense and adapt to oxygen the gas is a key part of converting food to energy but oxygen levels can fluctuate dramatically in the body for example when you exercise flying to high elevations or are pregnant oxygen levels that are available for metabolism go up and down to keep functioning the body's cells have to be abl