Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

To treat a cavity your dentist will remove the decayed portion of the tooth and then "fill" the area on the tooth where the decayed material was removed. Fillings are also used to repair cracked or ...

Zhang Yunqing, a reporter from Ha'erbin, Heilongjiang province, is also a professional craftsman who repairs broken porcelain, July 15, 2016. [Photo/Xinhua] Ju ci, or repairing broken porcelain, is a ...

Larry Langford replaced costly insulators with PVC. Larry Langford is chief engineer and owner of WGTO(AM/FM) in Cassopolis, Mich. He writes that one of the mysteries of radio is why porcelain ...