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

Test your brain power! You have an IQ above 140 if you can solve this math puzzle in 11 seconds or less. Go ahead and test ...

This brainteaser challenges math enthusiasts to identify patterns and solve equations involving plants. By assigning variables to a round bush, palm tree, and cactus, the puzzle requires logical ...

Brain teasers are a fun way to test one's thinking skills. These puzzles give the brain a quick workout. A recent challenge ...

Two mathematicians have used a new geometric approach in order to address a very old problem in algebra. In school, we often learn how to multiply out and factor polynomial equations like (x² – 1) or ...

Brainteasers are mental exercises meant to test your mental limits; thus, they're more than just puzzles. There are many distinct types of brainteasers with varying degrees of difficulty. Brain ...

Read more from our interview with two-time Olympian Colin Duffy, the American sport climber who also studies Applied ...