Recreational mathematics offers a vast playing field for amateur and professional mathematicians alike. It combines a sense of play with the joy of discovery. Sometimes, the results are mathematically ...

You don't need to be a master mathematician to know that numbers hold special meanings—both personal and cultural. Maybe you wore your lucky number seven on every soccer jersey, or perhaps you painted ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...