Scientists are commonly portrayed as paragons of rationality, subsisting solely on fact-based evidence and hard data; what goes on behind laboratory doors is in large part a mystery to the general public. In the past several years, however, there have been several notable cases of scientific fraud exposed: in 2006, it was revealed that Hwang Woo Suk fabricated data in papers claiming that he had managed to extract stem cells from cloned embryos. At around the same time it was discovered that Norwegian researcher Jon Sudbo made up a study where he claimed that anti-inflammatory drugs reduced the risk of oral cancer.
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