Scientist finally figures out why holes feel larger with your tongue than with your finger.

For almost 30 years, scientists have known about the illusion that makes small holes seem larger when felt with the tongue rather than with the fingers (we don’t know who first discovered this, but we assume it was X-rated). Since that time, the reason for this illusion remained mysterious… until now! This scientist used a series of experiments involving, tongues, fingers, and even toes to explore the phenomenon. He found that it’s the “pliability” of the appendage used to probe the hole i

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