Nature actually loves hexagons. They are efficient and all over the place. If you blow a bunch of separate bubbles, even they will form into hexagons where they

Nature actually loves hexagons. They are efficient and all over the place. If you blow a bunch of separate bubbles, even they will form into hexagons where they are surrounded by other bubbles. http://nautil.us/issue/35/boundaries/why-nature-prefers-hexagons http://nautil.us/issue/35/boundaries/why-nature-prefers-hexa...