Research on the link between social media use, anxiety, and depression showed that people who limit themselves to 30 minutes ...

Hungarian Prime Minister Viktor Orbán is visiting President Donald Trump in the White House on Friday. His main goal is to ...

科学家们设计了一种只凭手腕运动就可以抓握物体的机械手。这只由英国剑桥大学研究团队研发的3D打印机械手中被放置了传感器，从而能够 “感知” 它所触摸的物体。 Researchers say their robotic hand can handle items that are currently too delicate for machines. The hand uses wrist ...