<p>➀ Researchers from the University of Tokyo and Waseda University have developed a biohybrid hand capable of grasping objects and making gestures.</p><p>➁ The hand uses thin strands of lab-grown muscle tissue bundled together to provide sufficient strength for finger movement.</p><p>➂ Challenges include keeping the hand in liquid to allow smooth movement and improving control over returning the fingers to their starting position.</p>