Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

“Two, four, six, eight; bog in, don’t wait”. As children, we learn numbers can either be even or odd. And there are many ways to categorize numbers as even or odd. We may memorize the rule that ...

Humans are so smart that we can easily learn the difference between even numbers and odd numbers. And until a new study emerged, humans believed we were the only species capable of this feat, known as ...

To check your cognitive skill and IQ level, there are many ways, but among these, brain teasers are the best and fun game to test your logical and thinking skills with your observation level. These ...