Which famous product design was directly inspired by the structure of burrs that stuck to a Swiss engineer's dog after a hunting trip?

Biomimicry is the practice of looking to nature for inspiration to solve human design challenges. Many groundbreaking product innovations have come from studying plants, animals, and natural systems. This poll tests your knowledge of how the natural world has influenced some remarkable product designs that have changed industries and improved sustainability.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Velcro fasteners
Gore-Tex waterproof fabric
Sharkskin-inspired swimwear
Lotus effect self-cleaning paint