Surface wettability plays a significant role in gecko adhesion underwater.

@article{Stark2013SurfaceWP,
  title={Surface wettability plays a significant role in gecko adhesion underwater.},
  author={Alyssa Y Stark and Ila Badge and Nicholas A. Wucinich and Timothy W Sullivan and Peter H. Niewiarowski and Ali Dhinojwala},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2013},
  volume={110 16},
  pages={6340-5}
}
Although we now have thousands of studies focused on the nano-, micro-, and whole-animal mechanics of gecko adhesion on clean, dry substrates, we know relatively little about the effects of water on gecko adhesion. For many gecko species, however, rainfall frequently wets the natural surfaces they navigate. In an effort to begin closing this gap, we tested the adhesion of geckos on submerged substrates that vary in their wettability. When tested on a wet hydrophilic surface, geckos produced a… CONTINUE READING
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