Which natural organism inspired the design of self-cleaning exterior paint and glass coatings that repel water and reduce the need for chemical cleaning?

The natural world has long been a source of inspiration for innovative product designs. Biomimicry—studying nature's models and then imitating or taking inspiration from these designs to solve human problems—has revolutionized countless products we use today. From velcro to bullet trains, nature's 3.8 billion years of R&D provides elegant, sustainable solutions. Test your knowledge about how the natural world has influenced groundbreaking product designs!

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Lotus flower
Shark skin
Gecko feet
Spider web