Snapple Real Facts Are all of these facts actually confirmed to be true I know I ve gotten one multiple times stating A duck s quack does not echo and I ve also seen one stating A goldfish s attention span is three seconds These are not actually true at least if you believe MythBusters I m not sure if there s actually that much concern over the veracity of the stuff they print on Snapple caps so it may not be pertinent to the article but I thought I d throw this idea out here to see what people think