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Phony vials of the life saving cancer drug Avastin have turned up in as many as 19 medical clinics in the U.S. CBS News chief investigative correspondent Armen Keteyian speaks with the man responsible for the shipments who feels he has broken no laws

Inside the life and mind of Phillip Lim , one of the most talented and most elusive young fashion designers of our time. Here, Lim is photographed in the New York loft that will soon be his new HQ.

A new study suggests people who live happier lives live longer. Erica Hill speaks to the author of "The Happiness Project" Gretchen Rubin and profiles how this philosophy changed the life of one woman.

Dr. Jennifer Ashton reports on how gene mapping changed the life of one set of California twins, who from birth suffered one mysterious illness after another.

A study tracking deaths from 1997 to 2007 by researchers at the University of Washington revealed that in one quarter of the U.S., the life expectancy for women is dropping. Kelly Cobiella takes a look at why.

As part of our continuing series, "The American Spirit," Mark Strassmann reports on the life saving efforts of Foundation 56, a mobile mammogram service that's free of charge to low-income women.

From childhood sweetheart to quantum electrodynamics, the life and scientific contributions of the legendary Richard Feynman, a physicist of mythic hero status, are given a new and stimulating perspective in a book by Arizona State University professor Lawrence M. Krauss.