CGS-authored

Until this winter, scientist Hwang Woo-Suk was a national hero in South Korea and a giant in the field of stem cell research.
Here in California, Stanford University and the Salk Institute invited him to symposiums, where he lectured on his commitment to bioethics. In October, Robert Klein, chairman of California's stem cell institute, traveled to South Korea to meet with Hwang about his planned "world stem cell hub." The San Francisco Chronicle called the venture "possibly the boldest foray yet in the sizzling field of regenerative medicine."

Three months later, Hwang's colleagues have exposed him as a fraud, and regenerative medicine is indeed sizzling - sizzling with scandal.

Hwang resigned last week from the Seoul National University after an investigative team there found he had "intentionally fabricated" key elements of a paper published in the journal Science this year.

When Hwang published his paper this year - in which he purported to create 11 specialized lines of stem cells, tailored to a person's unique DNA - scientists and the media lionized him for his breakthrough. Now that Hwang has...