Obesity or stem cell research could win Nobel (AP)

FILE - This file photo dated Thursday, May. 19, 2005 shows British Professor Robert Edwards who won the 2010 Nobel Prize in medicine it was announced Monday Oct. 4, 2010. In an unusual leak last year, a Swedish newspaper revealed the jury's selection — British professor Robert Edwards — before the announcement. The committee has since applied even stricter rules on keeping their discussions and documents surrounding potential candidates secret. Two scientists who unlocked some of the mysteries linked to obesity or a professor who figured out how to make stem cells without human embryos could be candidates for the medicine award when the first of the 2011 Nobel Prizes are announced on Monday, Oct. 3, 2011. The prize committees don't give any clues — they even keep nominations secret for 50 years — but winners usually have won many other awards and distinctions before they are considered for a Nobel. (AP Photo/Matt Dunham, File)AP – Two scientists who unlocked some of the mysteries linked to obesity or a professor who figured out how to make stem cells without human embryos could be candidates for the medicine award when the first of the 2011 Nobel Prizes are announced Monday.