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Feature June 2019 Issue

About Those  Sandpapery Tongues

The tongue may look smooth, but itís lined with hundreds of rake-like spikes for better cleaning of hair and skin.

About Those Sandpapery Tongues

You know those spikes in the ground as you leave the airport car rental parking lot with the signs telling you not to back up? Thatís an approximation of the hundreds of hooked spikes on a catís tongue that face backwards, toward the throat, giving it its rough feel. And now scientists are getting a better understanding of why these tiny claw-like tongue spikes are there.

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