In this optical illusion challenge you need to find an odd dice. Can you spot it in 5 seconds? Test your observation skills ...

In the age of the internet, everyone loves to review everything. From the earliest days of the internet and computers ...

You'll need a laser sharp mind and super strong mathematical skills that would make Albert Einstein jealous to solve this ...

THIS is the brainteaser that challenges you to find the hidden birds amongst the branches. Everyone can see the tree, but only those with 20/20 vision and a high IQ can spot the five feathered ...

You have a high IQ if you can find the hidden word in the anagram in 5 seconds. Test your intelligence with this IQ Test now!

A trending visual puzzle challenges readers to spot an error in a park scene within 8 seconds, testing observation skills and ...

IF you can find the odd apple in this optical illusion test within four seconds, then you have a higher IQ than the average ...

Reckon you have the sharpest of minds and the IQ of a modern day Einstein? It's time to put that theory to the test with this ...

A brainteaser challenges readers to determine which of two seemingly equally filled glasses holds more water in just 21 ...

Explore the lives and contributions of the top 10 scientists with the highest estimated IQs, from William James Sidis to ...