The bumps on the Stenocara beetle hold water extremely well, and people have started using it in nets to capture water from the air.

A slime mould grew in the most efficient network, and Japan noticed this and used it to build its train system.

Mosquito proboscis inspired a less painful needle.

؜Shark Skin Speedos (three S's)

These speedos are used with shark skin because it allows humans to move faster through the water due to the hydrodynamics of the skin. These speedos help reduce drag and enhance speed in the water for humans. Michael Phelps famously wore his shark skin Speedos in the 2008 Olympics, but then the Olympics banned full shark skin swimsuits, because they provided too great an advantage to swimmers.

Insulation Coats

Insulation coats get inspiration from the structure of bird feathers facing down, or polar bear skin. The purpose of these coats is to trap body heat in the air pockets by certain materials, then these materials keep cold air from getting inside the jacket, keeping you warm.

Lotus leaves stay clean because water goes in a ball and rolls off, This is used in paints and coatings that repel water and dirt

Just as snails have shells in a spiral to maximize space humans have used that concept in architechure to maximize space and efficiency

The honeycomb design is used in many types of helmets as it is lightweight and very strong which makes it good at absorbing impacts