Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. Two puzzles are presented each week: the Riddler Express for those ...

Here’s a classic brainteaser that I don’t like. What’s the next number in this sequence: 1, 11, 21, 1211, 111221, …? The answer is 312211, because each number describes the digits in the number that ...

Digits is now available to play for free in beta for a limited time. Digits is now available to play for free in beta for a limited time. is a senior reporter covering technology, gaming, and more. He ...

I could not believe what was happening in the latest episode of HBO's Succession. It was a total shock to see that specific turn of events unfold so rapidly in front of my eyes that I wondered what ...

Brain teasers are a fun way to test one's thinking skills. These puzzles give the brain a quick workout. A recent challenge that went viral online has math lovers excited. The puzzle asks users to ...

Optical illusions and visual puzzles are all the rage these days due to their ability to enthrall social media users. These brain teasers improve cognitive functions and are a fun way to pass the time ...