POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Gecko foot hairs. Coloured scanning electron micrograph (SEM) of hairs, or setae, on the foot of a young common wall gecko (Tarentola mauritanica). These hairs enable the gecko to cling to smooth surfaces by taking advantage of weak intermolecular forces, known as Van der Waals forces. Magnification: x3400 when printed 10 centimetres wide.
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