Talking Pictures December 28, 2010 A Sea Urchin With Stone Eating Teeth (Telegraph) A sea urchin with teeth that can eat through stone could one day lead to knives which never need sharpening. The creatures have self-honing teeth which allow them to chomp through stone, carving out hideaways on rocky shores. Share on: Facebook Twitter Pinterest Google + Previous articleMishka… The Talking Husky Next articleCan Belief in God Relieve Pain? You may also like January 22, 2020 Walking Sharks September 26, 2019 Buy This Original Oil Painting of Channing Tatum’s Ballsack for the Low Price of $230 Be first to comment Click here to cancel reply. Cancel replyComment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.