S. Korean mathematician solves 6-decade math puzzle Baek Jin-eon, a 31-year-old research fellow at the June E Huh Center for ...

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.

Duah: Using puzzles, both at home and in classrooms, can restore the often-forgotten truth that learning happens in ...