While this brain teaser may appear to be a simple series of equations, the solution lies in figuring out the relationship ...

If you love puzzles, then these 15 riddles and brain teasers will really get your brain working! They range from tricky math ...

To mark its 100th anniversary, the intelligence agency has provided Sky News with some of its brain-teasers so that you can find out if you might have a similarly analytical mind. You can scroll ...

Brain teasers are an engaging way to challenge your mind and have fun. Often these riddles or puzzles require creative thinking. Brain teasers are great for sharpening your problem-solving skills too.

For centuries, brain ... math-based challenges. Their difficulty can vary, with some being light and enjoyable, while others can stump even the sharpest minds for hours. The appeal of brain ...

Zero’s latest surprise may be in just how well the brain learns to handle that abstraction. Now studies show that the concept of zero is processed in similar ways to many numbers and can be ...

A remote clinical trial involving more than 150 people has shown that an experimental treatment for depression — which uses a swimming-cap-like device to gently stimulate the brain — can be ...

If you consider yourself a fan of mind-boggling math riddles, this brain teaser is sure to leave you scratching your head. Brain teasers like this one will help you exercise your brain.

For centuries, brain ... math-based challenges. Their difficulty can vary, with some being light and enjoyable, while others can stump even the sharpest minds for hours. The appeal of brain ...