Seashells
Arrangement of leaves on plants
Cockroaches
Natural ecosystem
Tubercles (bumps on the flippers of whales that allow water to flow over them quickly, with no drag
Kingfisher bird beak
Dolphin communication (whistles and clicking)
Bomardier Beetle's repellent spray (to scare away enemies)
Gecko's feet
Toe pad's on tree frogs
Underwater communication technology
Tire treads (the pattern on a tire that keeps them from skidding)
How solar panels are arranged
Climbing pads that stick to walls
Micro Mist spray technology (that is better for the environment than regular aerosol sprays)
Wind turbine bumps to reduce drag of wind
Self-working farm
Kamigami Robots (small robots that can go into small spaces and climb over rough terrain)
Nose cone of Japan's 500 Series Bullet Train
New materials for ceramics
