A strange brainteaser may baffle some Brits, but it actually has an easy and obvious answer that should only require a few seconds of thought. This riddle is an example of a rebus clue, a picture , symbol or set of words that represents another word, phrase or syllable. More simple explanations of a rebus clue call them 'frame games' or 'word picture puzzles'. This particular clue from the US National Institute of Environmental Health Sciences (NIH) asks people to complete the phrase from the