DNA pioneer Watson on 'gold rush' James Watson, 85, worked with Francis Crick to figure out that DNA, the molecule of life, has a double helix structure.
July 1, 2013 - CNN
Watson: 'DNA was my only gold rush' At 85, James Watson still plays tennis every week. His hips and knees haven't given out yet, he says, and he likes grass courts.
June 28, 2013 - CNN