Many mechanical devices have been inspired by examples in nature, but it's not often that nature replicates something only known to be made by human beings. Meet Issus coeleoptratus, more commonly ...

"Exotic behavior when mechanical devices reach the nanoscale." ScienceDaily. ScienceDaily, 31 May 2011. <www.sciencedaily.com / releases / 2011 / 05 / 110515145814.htm>.