“China’s ghost cities – miles of deserted shopping malls, sports stadiums and empty housing developments with zero buyers in sight – lie under the national radar and can go unaccounted for for years. googletag.cmd.push(function() { googletag.display('div-gpt-ad-1441361993438-0'); }); Now Chi
“Researchers at the University of Groningen in the Netherlands have created a process that can manufacture 3D-printed teeth and braces which are actually good for your other teeth, and dental health in general.”