3D printers have an ear for – making ears

(Natural News) A newly developed biomaterial is not just capable of being accepted by the body, but is also usable by 3D printers. Its Swiss creators demonstrated how the biocompatible hydrogel can be used to print artificial ears and other biomedical implants. The hydrogel is comprised of several biopolymers, including tiny crystals made from plant cellulose. When it is heated...