Welcome back! For Day 4 of the challenge, let’s do a short and fun activity based around a concept called cognitive reserve.

NPR's Sacha Pfeiffer plays the puzzle with KAMW listener Daniel Abramson of Albuquerque, N.M, and Weekend Edition ...

Word search puzzles have become one of the most popular puzzle challenges on the web. These seemingly simple puzzles ...

Test your problem-solving skills with these 62 lateral thinking puzzles. They’ll challenge you to think out of the box to find a solution.

Construction has come to be very important for Ms. Baik, who began making crosswords during her first semester in college. Her chemistry lab partner, Arjun, was a strong, supportive force as she ...

Senior Lecturer in Mathematics, Department of Mathematical Sciences, City St George's, University of London Mathematics is a “science which requires a great amount of imagination”, said the ...

An engaging digital puzzle that has captured the attention of many is the square-counting challenge, where players are tasked with pinpointing squares amidst a chaotic and convoluted image. An ...

A seemingly easy-looking math sum has left people scratching their heads as it proves to be more challenging than anticipated. The brain teaser, was shared this week on X by user @BholanathDutta and ...

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost intelligence and improve ...

Label the rectangles correctly with the letters A to I. Show puzzle solution Only the four blue-shaded rectangles below intersect three other rectangles, and therefore they must be F, G, H and I. H ...

A simple brain teaser is causing a stir online. The puzzle asks for the total number of people based on men, wives, and children. Different interpretations of the wording have led to varied answers.

Brain teasers are short, clever puzzles designed to make the mind think in fresh ways. They often look simple, but they push us to use logic, patience, and careful observation. X users found the brain ...