For scientists, having to retract a paper is like a kick to the gut. It means that your work cannot be verified, and thus is likely either 1) an error or 2) a fabrication. So it comes as something of a surprise that Nobel prize-winning scientist Linda B. Buck had to retract a 2001 Nature paper this week, citing an inability to reproduce the reported findings, and "inconsistencies between some of the figures and data published in the paper and the original data."

Hear more about author James Vlahos's experience in the Army's new smell simulator on the PopSci Podcast.