We’ve all instinctively clung to another person when frightened, if only as a child clutching our mother’s hand. But if that person is scared, too, this behavior may not have the desired calming ...

In labs, living rooms, hospitals, and classrooms, robots are no longer just tools—they’re becoming social actors. People apologize to robot vacuums, feel guilty turning off companion bots, and ...

Touch something hot, and your hand snaps back before you even think. That split second matters. Sensory nerves in your skin send a rapid signal to your spinal cord, which triggers your muscles right ...