Blood Clots and Vascular Networks: Self-Healing Materials -- Shark Skin: Taking a Bite Out of Bacteria -- Mother-of-Pearl: An Engineering Gem -- Diatoms: Glass Ornaments of the Earth's Waters -- Lotus Leaves: Humble Beauties -- Dragonfly Wings: Special Structures for Aerial Acrobatics -- Moth Eyes: A New Vision for Light-Harnessing Efficiency -- Botanical Leaves: Groovy Terrain -- Snake Skin: Small Scales With a Large Scale Impact -- Gecko Pads: A Force to Be Reckoned With -- Butterfly Wings: Nature's Fluttering Kaleidoscope -- Frog Skin: A Giant Leap for Engineering Applications -- Spider Silk: A Sticky Situation.