STEM CELL UPDATE: This report says that “If South Korean cloning hero Hwang Woo-suk falls from grace in what could turn out to be one of the biggest scientific frauds in years, he might take U.S. stem cell researcher Gerald Schatten with him.” On the other hand, this report says that Hwang is standing by his research: “South Korea’s best known scientist said Friday he stands by his breakthrough stem cell research despite a barrage of fraud allegations, and vowed to prove the findings within days.”

Meanwhile, here’s an article from Slate by Daniel Engber on the investigation of scientific fraud. And here’s a piece I wrote a while back that looks at some past experience in the area.