Things that Quicken the Heart: Circles - Mandalas - Radial Symmetry I
Cross-section of cabbage under microscope.
Fractal Bacterial Colonies
Colony of Paenibacillus vortex. The colonies grow by the movement of bacteria droplets (dots at end of branches) filled with bacteria spinning around a common center like a hurricane. The branches are trails left behind each vortex as it explores the plate
i think petri dish cultures of bacteria can be so lovely. (yes, i know, i'm quite strange...)