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'I have the MRI scan of your brain. The right hemisphere is clogged with computer passwords.'

Quiten brain farts in the elevator.

A graffiti artist is spray painting a graffiti artist, who appears to be spraying the next graffiti artist in an optical illusion.

Behavioral Psychology Department

Dumbing Down for Smarties

'Forget the DaVinci Code! I'm still trying to crack the tax code!'

A Crossword puzzle.

'Scientists say that crosswords activate brain...'

Sudoku: 'Before...after'.

Your Sudoku is in the paper.

"What's the square root of 65,536?"

Light Bulb Moment

A Major Refresher Course is in Order.

Introducing...Anagraman.

Clever visual metaphor used to personify the abstract concept of thought and memory.

'And what part of the formula don't you understand?'

"This just in: one of us always tells lies; the other always tells the truth. Who's who? Stay tuned."

'Have you seen me?' (Brain missing in TV viewer)

"If a tree falls in the forest and no one is around, does it make a sound?"

Mensa Does Improv

"My first night in the lab and I was clearly the smallest brain in the place."

"Have you been working out?"

Thinking with the left side of the brain/Thinking with what's left of your brain.

'You see doctor I've been increasingly Forgetful.'

Owl thinks of mathematical equation.

Suddenly Paul realised that HE had been the odd one out all along.

An abacus swimming pool

"Caption contest"

"Oh my God, help! Is there a logician on board?!"

Annual Mensa Convention: 'Ok, who's the genius who forgot to send out the invitations?'

"Very few people are aware that the 'New York Times' Sunday crossword puzzle is contagious."

Can you translate that to simple-minded!

"How on earth do you get this blasted box to open...?"

Book store has a book called 'Mind Games,' which is floating magically in the air.

How information mingles in our brains