NANNING, June 26 (Xinhua) -- A team of Chinese scientists has created a type of tiny robots that can remove bacterial infections from deep inside the paranasal sinuses.

在我们的身体里，有一条连接着“第二大脑”——肠道 (gut)和真正大脑——中枢神经系统 (central nervous system, CNS)的神秘通道，被称为“肠-脑轴” (gut-brain ...