A storage robot deposits samples in the world's largest blood and urine sample freezer at Biobank, near Manchester, northern England, in this March 18, 2010 file picture. Francis Collins, who helped map the human genome, did not get around to having his own genes analyzed until last summer. And he was surprised by what he learned. Collins has a predisposition for type-2 diabetes, something he had never suspected. The lanky, former director of the National Human Genome Research Institute (NHGRI) discovered this through tests offered by Navigenics, 23andMe Picture taken March 18, 2010. To match Special Report SCIENCE/GENOME REUTERS/Phil Noble (BRITAIN - Tags: HEALTH SCI TECH)