Author Susan Benton

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White's tree frog

Have you ever tried to reapply a sticky note after removing it? Then you know that it doesn't stick nearly as well the second time as it did the first, if it sticks at all. This is in part due to the fact that the adhesive has picked up dirt and debris from the original surface.

Then how does White's tree frog maintain such a good grip while moving around in far-less-than-sterile nature? It turns out that the mucus covering its toe pads creating friction so the frog can hang on, also allows it to clean its feet with every step. Dirt, mucus, and all are left behind when the frog lifts its foot. Channels between the toes then resupply it with fresh mucus. Effectively, White's tree frog has self-cleaning feet that also assure a firm hold on its surroundings.

Researchers are studying this mechanism in hopes of copying it for human uses where stickiness is needed and contamination is an issue. Medical bandages are one focus.

Click on the link below to LEARN MORE.

(Photo:I, Chrumps [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.5-2.0-1.0 (https://creativecommons.org/licenses/by-sa/2.5-2.0-1.0)], via Wikimedia Commons)

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Link...Reptile News

Images/Frog with self-cleaning

BOOKS

THE FROG WITH SELF-CLEANING FEET by Michael Bright

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