Low-fat or low-carb? Butter or margarine? Avocado oil or coconut oil? Bombarded with contradictory media reports on the ever-changing landscape of nutrition research, it’s difficult for...
SHANGHAI–Ma Chengqiang, 16, and eight-month-old Yang Youhong from northwest China’s Qinghai Province have both undergone life-saving heart surgery in Shanghai thanks to 3D printing advances. “Our...