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

The brain teaser was shared on X (formerly Twitter) by @Parkertzb with the caption, “Brain Teaser..! How many 16 can you see?

A collection of challenging brain teasers and puzzles designed to push your logic and focus. #BrainTeasers #LogicPuzzles ...

This brain teaser challenges readers to locate an inverted '64' hidden among a series of '94's within a strict 7-second time limit.

Living host, Jaclyn Friedlander challenges ciLiving contributing host, Tommy Bickham to a game of Word Teasers. Get ready to ...

It’s easy to dismiss games as a distraction with all that's going on in the world today. Crossword puzzles, word searches, Sudoku — they might seem like frivolous pursuits compared to the stream of ...

Inside this Saturday’s Daily Express you can start to train your brain with our FREE Brain Games for Adults puzzle magazine. This 24-page magazine is packed with a wide range of puzzles, all designed ...