More than three decades ago, Dr. Herbert Benson of Harvard Medical School proposed a theory in his multimillion-copy bestseller The Relaxation Response, which stated that by calming the mind, one could calm the body and alleviate stress, pain, and illness. Recent landmark research from the genome project has proven Benson's theory: using the mind to quiet the body not only eases stress, it actually alters the activity of thousands of genes, promoting wellness. In short, science no...

In finance, as in life, there's no such thing as a free lunch—unless you're well diversified. The push toward diversification inspires many investors to buy index funds, which is a smart move. But most people have missed the chance to diversify over their investing lifecycle.Now, for the first time, Ian Ayres and Barry Nalebuff—two of the most innovative thinkers in business, law, and economics—present investors with a set of tools that will allow us to diversify our portfolios ove...