How many licks does it take to get to the center of a tootsie roll center of a tootsie pop?
A group of engineering students from Purdue University reported that its licking machine, modeled after a human tongue, took an average of 364 licks to get to the center of a Tootsie Pop. Twenty of the group's volunteers assumed the licking challenge and averaged 252 licks each to the center.
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