It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A ...

Have so much fun on February 2nd by completing this free printable Groundhog Day word search coloring page. It’s a great ...

Enjoy a cozy coloring activity with this set of free printable winter hat coloring pages. It comes with eight different ...

Similarly, the puzzle genre continues to produce new projects at a reasonable rate, even if the releases tend to be indie projects that do not attract too much mainstream attention. There are ...

The jungles of Siam are hiding all sorts of secrets, and scattered across it is a series of puzzles that might just be the hardest in the entire game. When you first find the hidden pyramid as par ...

A fiendish puzzle asks people to guess the next number in a sequence, but only those with the highest IQ can solve the brainteaser. It was posted on X by @Brainy_Bits_Hub and urges players to see ...

The Government’s top codebreakers have released their annual Yuletide challenge to the public to decipher the clues and crack the puzzle. Anne Keast-Butler, GCHQ director, said: “Puzzles have ...

The seven puzzles reveal where real-life spies are spending their Christmases. Well, allegedly (Picture: GCHQ) The above image isn’t the world’s most elaborate Christmas card – it’s ...

This year's puzzle challenges the public to decode the ... He added that, with secondary schools downloading the tests, "a very large number of school children will see this and hopefully be ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.