An old riddle runs as follows. An explorer walks one mile due south, turns and walks one mile due east, turns again and walks one mile due north and winds up back at the starting point. Then the ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...

Here’s a fairly recent twist on an old type of logic puzzle. A logician vacationing in the South Pacific finds himself on an island inhabited by the two proverbial groups of liars and truth-tellers.

Holidays bring celebration, rest and, for many families, long stretches of indoor time. For some, this means tabletop games ...