Engineers continue to tinker with plastics and chemical coatings for use in products designed to stay dry (or keep their wearers dry), but nature solved the problem of water resistance a long time ago. The leaves of plants such as lotus and nasturtium, for instance, make water bead up like rain on a freshly waxed car, and the African Stenocara beetle uses water-repellent channels on its back to funnel water droplets into its mouth. [More]
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