Ivan Oransky is co-founder of RetractionWatch and vice president and global editorial director of MedPage Today in New York, New York.
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10:58
Keeping an Eye on Wayward Studies
Ivan Oransky, co-founder of the Retraction Watch blog, discusses what happens when scientific studies go bad.
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41:46
Looking Back on a Year in Science
What are your picks for the top science stories of 2012?