Your know the feeling. You're trying to recall the name of a time-keeping musical device or the the actor who played Fredo in "The Godfather" and all that comes to mind is a memory-hole in the shape of a metronome or John Cazale. It's on the tip of your tongue and it's a universal experience of memory retrieval. In this episode of Stuff to Blow Your Mind, join Robert and Joe as they discuss the science of TOT phenomenon and what you can do to prevent it.