A team of researchers affiliated with several institutions in Italy, working with a colleague from the U.S., has found that sea urchin spine joiners have bone formations that conform to a Voronoi pattern. In their paper published in Journal of the Royal Society Interface, the group describes their close-up study of the echinoids and what they learned about their spine structure.
Click here for original story, Sea urchin tubercules found to have a Voronoi pattern
Source: Phys.org