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 teasers ...

Fascinating visual phenomena known as optical illusions cause our brains to interpret reality differently. They can cause us to misinterpret what we see or trick our visual system into perceiving ...

In 2023, I posed 23 challenges as part of the Gizmodo Monday Puzzle series. Some require a bit of math, and others a light familiarity with physics; but most can be solved through logic and creative ...