|Gecko image credit: Pixabay / katurahdesigns|
Geckos have an amazing ability to stick to surfaces—they can even run upside down on polished glass. About a decade ago, it was shown that gecko feet have microscopically structured hairs that exploit atomicscale attractions (van der Waals (vdW) forces). Later, the same principle was discovered in spiders. This short-range attraction is so strong that a tiny contact area is enough to support the creature’s weight.You can read the rest of this short article by clicking on "How geckos become unstuck".