A new study at a Spanish zoo showed the giraffes could do rudimentary mathematics. What animals can do arithmetic?

You could feel the rough card in your hand and hear the quiet thump of the date stamp. The smell of old paper made the whole ...

Math classrooms shifted over time to the discovery model. Not suddenly, and not without good intentions. There was a ...

René Descartes' quote “The greatest minds are capable of the greatest vices as well as of the greatest virtues" highlights ...