" width="1200" height="675" /> For centuries, brain teasers have fascinated and challenged people, serving as a fun and ...

This brain teaser challenges you to find the missing number in a sequence following a doubling pattern. Starting with 4, the ...

One brain teaser that's currently stumping people involves fixing the equation shown below by making a small adjustment. This fun challenge is a great way to test both your math skills and ...

Brain teasers enhance cognitive skills and provide a fun challenge. Today's puzzle asks to correct an equation by moving a matchstick. Brain teasers can be a great way to reduce stress and test ...

Only true geniuses will be able to work out this 'impossible' question given on the BBC quiz show Only Connect - and you'll ...

Test your eyesight with this fun brain teaser! Can you spot the different unicorn in just 5 seconds? Only those with perfect ...

Optical illusions can be extremely tough and require you to take a double look and think outside of the box - below we have ...

A viral riddle shared on Facebook asked how A was related to D, revealing A as D's granddaughter after tracing the family ...

Are you a fan of riddles or perhaps a classic math puzzle gets your brain buzzing? Fancy yourself a genius in the realm of brain teasers or an aficionado of challenging quizzes? Well, get ready to ...

The tricky brainteaser will put your mind to the test as you settle in and enjoy the cosy vibes of the season.

But researchers are building new A.I. systems that can verify their own math — and maybe more. By Cade Metz Reporting from San Francisco On a recent afternoon, Tudor Achim gave a brain teaser to ...

Information is vital, as is simulator training and time on the water. It is up to each team to sort out what is useful.