8596140062e8441e1f0f6a70670020fe ← Previous Next → Romanesco broccoli The green relative to cauliflower is an example of the spiral curve, often found in the natural world. (Thinkstock) Share this using:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Like this:Like Loading...