This probably belongs on my other site (http://zo-d.com/stuff/) but I haven't added anything here for a while...and I want to keep my readers entertained. Anyway, apparently someone has invented a sort of pied piper for cockroaches. A tiny robot doused with cockroach pheromones which can dare the other cockroaches into outrageous (for them) behavior. The article can be found here; http://www.newscientisttech.com/channel/tech/dn9136.html. The first thing that came to mind when I read this was human teenagers...