A classic riddle about a hotel bill uses misleading math to create a paradox. This type of intentional misdirection is a ...

Montgomery happened to find strikingly similar behavior in the prime numbers— specifically, the correlations between the ...

What time does the clock show? Show puzzle solution Label the lower hand pointing left A, the higher one pointing left C, and ...

Insects that tuck away wings; a protist with an accordion-like neck — studying these clever creases may inspire foldable structures for drones ...