(Image by sciencedaily.com/releases/2013/09/130912143627.htm) Details DMCA | Previously believed to be only human-made, a natural example of a functioning gear mechanism has been discovered in a common insect -- showing that evolution developed interlocking cogs long before we did. In Issus, the skeleton is used to solve a complex problem that the brain and nervous system can't, one of the researchers said. |