Which biomimetic product design was inspired by the unique structure of lotus leaves to create self-cleaning surfaces?

Product design in the natural world industry increasingly incorporates biophilic principles—designs that connect humans with nature. Companies are finding that nature-inspired products not only appeal aesthetically but can solve complex problems through biomimicry. This poll tests your knowledge of how product innovation in the natural world sector has revolutionized sustainable design approaches and created breakthrough products.

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Lotusan paint, which mimics lotus leaf nanostructures to repel water and dirt particles
Sharkskin-inspired swimwear that reduces drag through microscopic denticle patterns
Velcro, which was inspired by the hooking mechanism of burdock plant seeds
WhalePower wind turbine blades that use humpback whale flipper tubercles for efficiency