The challenge here is to solve the math puzzle in 7 seconds. This math puzzle will test your intelligence and analytical ...

Picture puzzles are a form of brain teaser that tests the reader's critical thinking and problem-solving skills. These ...

The number 45 is hiding expertly among the grid of 44’s. Only sharp-eyed readers can spot it in 5 seconds. Are you one of ...

Picture puzzles are a form of brain teaser that tests the reader's critical thinking and problem-solving skills. These ...

THIS mind-boggling optical illusion has puzzle fanatics stumped and struggling to find the answer – but do you have what it ...

THIS mind boggling brain teaser will leave you scratching your head as you try to find the hidden chick amongst the sheep. ...

It's crucial to keep the mind sharp during the day, and what better method than engaging with a confounding brainteaser? Such puzzles don’t just enhance memory; they also improve problem-solving ...

Differences in intelligence are influenced in part by genetics. But how much can genetics really tell us, and how can we best ...

This optical illusion challenge tests your IQ and observational skills. The task is to find a hidden cat in an image within ...

An IQ test features a picture puzzle where readers identify the boss among three men in 5 seconds, testing critical thinking ...

Get on your bike because the clock is ticking! This optical illusion tests more than just your speed - it also tests your IQ ...

Heliospect Genomics, a U.S. startup, offers wealthy couples embryo screening for IQ and other traits, costing up to $50,000.