This is a REAL test.
The average adult knows 40,000 words. See how well your brain associates these English words.
Name all the books listed here and earn your master's degree.
27 books! Go!
Called "dingbats," these visual riddles are known for stumping even the smartest minds.
Agility is the ability to be quick and graceful. Are you quick and perceptive enough to pass this tricky test? Find out now!
Are you in the 3%?
You are definitely a creative genius if you can pass this one.
Many great minds have spanned the course of human history. Which do you share the most in common with cognitively?
Answer these 15 question and discover where you fall on the spectrum!
There are only 50 people in each state that possess a superbrain. Are you one of them?
Challenge your powers of perception with this tricky test