Facing Death

Aubrey de Grey has identified seven categories of molecular and cellular damage. He says if we can prevent or repair that damage, there's no reason why people can't go on living indefinitely.

Diana Athill was the editor of some of the most celebrated writers of our time, including John Updike, Simone de Beauvoir, and V.S. Naipaul.

Lincoln Hall is an Australian mountain climber. He tells Jim Fleming about his fatal adventure on Mt. Everest, the subject of his book "Dead Lucky: Life after Death on Mount Everest."