] Biologists and demographers are greeting with
] considerable enthusiasm a new theory of aging that
] extends Hamilton's idea and explains the features it
] doesn't account for well. The new theory, proposed by Dr.
] Ronald Lee, a demographer at the University of California
] at Berkeley, was published in today's issue of The
] Proceedings of the National Academy of Sciences.

Why We Die, Why We Live: A New Theory on Aging