Which natural phenomenon inspired the development of self-cleaning paint and glass products that repel dirt and water?

The natural world has been inspiring product designers for centuries. Biomimicry—the practice of emulating nature's time-tested patterns and strategies—has led to breakthrough innovations across industries. From Velcro (inspired by burrs) to bullet train designs (kingfisher beaks), nature's 3.8 billion years of R&D offers endless inspiration. Test your knowledge about how the natural world has influenced revolutionary product designs!

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• The lotus leaf's hydrophobic surface structure
• The iridescent properties of butterfly wings
• The adhesive secretions of barnacles
• The insulating properties of polar bear fur

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