The image of the tiny flapping butterfly has come to stand for the outsized impact of small actions, or even the inherent unpredictability of life itself. But what was Lorenz – who is now remembered ...

Quantum physics underlies technologies from the laser to the smartphone. The International Year of Quantum marks a century of scientific developments.

Male-female friendship.   Societal norms often suggest that this relationship is complex, but can be reasoned with some calculation.   Not all math problems seek solutions, but social expectations and ...