Evaporation in the cockroach

The cockroach have an ability to change the evaporation through it's shell depending on the temperature in the surroundings. At temperatures above 30 degrees celsius water can pass through.
Imagine what that technique could do for sportswear...

Read full scientific article: http://jeb.biologists.org/content/12/4/373.full.pdf+html

image source: http://www.cozypad.com/how-to-eliminate-cockroaches-from-your-home/3798.html

/ Catrin S