The puzzle of emergence asks how regularities emerge on macro scales out of uncountable constituent parts. A new framework has researchers hopeful that a solution is near. A few centuries ago, the ...

Twenty years ago, cognitive psychologist Elizabeth Spelke took a strong position in an ongoing public debate. "There are no differences in overall intrinsic aptitude for science and mathematics among ...

In recreational mathematics, the balance scale is an endless source of puzzles that require precise and elaborate logic and teach the fundamentals of generalization. Balance-scale puzzles abound in ...