"They've said some crazy things about me over the years. I mean, okay: 'He bit the head off a bat.' Yes. 'He bit the head off a dove.' Yes. But then you hear things like, 'Ozzy went to the show last night, but he wouldn't pe...

Wondering if science could explain how he survived his 40-year avalanche of drugs and alcohol, Ozzy Osbourne became one of a handful of people in the world to have his entire DNA mapped in 2010. It was a highly complex, $65,000 proces...