Here is an article about crooning predators, and the fact that cicadas change tunes to avoid being trapped; othr entrapments are discribed, including a spider who throws bolas at his victim. Who knew spiders were Argentinian?- http://www.newscientist.com/article/mg20327272.000-monster-insect-mimic-lures-prey-with... suspect we are seeing epigenetics again, or just a brain-game with insects learning as fast as we do. No mutations in this example.-In the same vein: an electric protection mechanism explained in fish. Amazing process.- http://www.physorg.com/news173418765.html