Friction is an intrinsic physical phenomenon to curling. Without it, objects in motion would move endlessly, without slowing down. This would cause many safety-related problems: Cars or trains could ...

Gravity is the attraction between two objects that have mass or energy, whether this is seen in dropping a rock from a bridge, a planet orbiting a star or the moon causing ocean tides. Gravity is ...

Stanford’s Bob Sutton and Huggy Rao on how to boost efficiency and satisfaction while also improving innovation and decision-making. Organizations too often subject their employees and customers to ...