Nature has evolved a number of different ways to make things hydrophobic or hydrophilic. Lotus leaves have tiny hairs that are only a few hundred nanometers in size. These hairs are hydrophobic and help to bead up water, and when the bead gets big enough it forms a drop and rolls down the leaf. Think about driving in a car through the mist, the water seems to stick to the window. Only when the bead of water gets big enough does it roll down the window.

There are also beetles found in Namibia, a country in Africa that is right next to the Atlanta Ocean. While there is a lot of water, it is salt water and so most plants and animals can drink it. The Namibia beetle has evolved to collect water on its back. It also has tiny little bumps of hydrophobic material that helps it collect water. When the drop of water gets big enough it slides down the back of the beetle and the beetle gets a drink.

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