What odd, elusive idea or entity exists in your field? What is it’s BigFoot, Nessie, Yeti… something many people doubt except for those who have witnessed it?

Beware of Bigfoot flickr photo by cogdogblog shared under a Creative Commons (BY) license
Tweet your response to @ontarioextend and be sure to include the hashtag #oext382
Don't Want to Tweet Your Response? Really?