Hidden inside a sea of 02s is the number 20 waiting to be spotted ... the 20 lies nine rows from the bottom somewhere in the middle row of the grid. If you like your puzzle intact, look away now ...

Some numbers are so unimaginably large that they defy the bounds of modern mathematics, and now mathematicians are closing in ...

The teaser in question comes from X (formerly Twitter) user Ganesh UOR, who is known for regularly sharing thought-provoking brain teasers. The puzzle reads: "Brain test: Divide 90 by half and then ...

There are eight doors in front of you labeled A through H. Behind one of the doors is a prize. A guard is aware of the ...

Former director of the CIA, Leon Panetta, urges the British Government to be 'very tough' with China over Beijing's proposal for its new mega embassy in London ...

While 87 per cent of coffee drinkers enjoy it in the morning, some worry doing so on an empty stomach can cause heartburn and acid reflux. Experts weigh in ...