At first glance this puzzle looks almost too easy… but looks can be deceiving. Testing logic, patience, and attention to ...

Why does cancer sometimes recur after chemotherapy? Why do some bacteria survive antibiotic treatment? In many cases, the ...

Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

Duah: Using puzzles, both at home and in classrooms, can restore the often-forgotten truth that learning happens in ...

In case you've faced some hurdles solving the clue, Simple file extension (Abbr.), we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy leisure time ...

I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person). Still, I like to think I have a solid grip on basic math: I can usually gauge whether a ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person ...

This apparently simple puzzle has proved to be a genuine brain-bender. Even the most basic of mental challenges can deliver significant benefits for our cognitive wellbeing, helping to stave off ...

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 ...

Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for a DIY project, or just having a math-related brain teaser thrown your ...

You are participating in a holiday gift exchange with a few classmates. You each write down your own name on a slip of paper and fold it up. Then all the students place their names into a single hat.