The Language of Bacteria

a Paenibacillus vortex colony                                                 Eshel Ben-Jacob

Once he figured out how bacteria communicate with each other, Israeli biological physicist Eshel Ben-Jacob realized that he could get them to move and grow into beautiful patterns ~ and that doing that helped him understand them even more: http://blogs.smithsonianmag.com/artscience/2013/08/colonies-of-growing-bacteria-make-psychedelic-art/