clipped from: www.core.form-ula.com   
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An electron micrograph reveals sharkskin’s secret to speed: tooth-like scales called dermal denticles

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sharkskin denticles spurred the design of his Speedo Fastskin, whose texture functions to reduce drag, bumping up speed

via> National Geographic (April 2008)


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Behind the squared-off contours of the boxfish lies a lesson in sleek design. Low drag helps the fish swim up to six body lengths per second, stabilized by the keel-like edges of its carapace.

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the thorny devil lizard of the arid Australian desert demonstrates its ability to wick water to its mouth via channels between its scales. Scientists hope to mimic the mechanism to develop water-capture technologies for dry regions

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burs

invention of Velcro

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NASA was an early user

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a fly trapped in amber

striations on its surface that seemed to reduce light reflection

has been adapted to dampen reflection on computer monitors and solar cells

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the lotus leaf a naturally self-cleaning, water-repellent surface

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flipper of a humpback whale

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U-shaped motion

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