A psychologist argues that asking ourselves existential questions and recognizing our values can make life more fulfilling ...

SPOTTING the happy dog is easy, but can you outsmart everyone and find the hidden butterfly in this optical illusion? Time to put your vision and brain skills to the test and solve ...

The IQ test was the brainchild (pun intended) of Alfred Binetti in the early 1900s. Better known as Binet, he collaborated ...

Are you ready to test your IQ and observation skills? This visual puzzle has been making waves across the globe, from the ...

Find out how good your general knowledge is with our quiz that will get you ready for your next trip to the pub.

And the Occam’s razor explanation for why someone would make dozens of simultaneous public shows of force—to prove a point ...

The world's highest IQ scores push past 200, but what do these numbers really mean? Explore the complexities of measuring intelligence and meet Terence Tao, the mathematician with an estimated IQ of ...