A radical ‘artificial egg’ made from plants is set to go global after the US firm behind it revealed major backing from Asias richest man.Made from plants, it can replace eggs in everything from cakes to mayonnaise - without a chicken ever...
角膜是人类眼睛里的第一块反射镜，据世界卫生组织统计资料，全球共计500万人因角膜损毁而造成失聪。仍然以来，这些病人不能等候器官捐赠者捐献适合的角膜展开重制。如今有英国科学家顺利以3D打印机技术用上新款人造角膜，...