“What do government cheese, a war on emus, and chicken cannibalism have in common?

Most scientists would be flattered to have a celebrity endorse an article they wrote. However, if that celebrity is Robert F. Kennedy, Jr., the endorsement is tantamount to the kiss of death. If RFK, Jr.

Retractions in science are a fact of life. Sometimes, the published literature is wrong, and when it is discovered, the paper is often stricken from the scientific record.

Everyone makes mistakes. Sometimes, it is easy to make the same mistake twice.

But, eight times? That's a different story. 

Late last year, a story emerged questioning the validity of a paper that had made a big splash when it was published in Science earlier in 2016.

A high-profile paper published in Science earlier this year is in jeopardy because of events th