Eyes
What you see, and what your eyes fill in for you.
about 1 min
How easily do my eyes get fooled?
What's your colour-eye level?
Which glass holds more?
Can you see a correlation?
Can you spot the difference?
Why is the moon bigger on the horizon?
How many FPS can your eyes see?
Can you hang a picture straight?
Which square is darker?
Where’s the middle of the line?
Which eye is your dominant eye?
Where is your blind spot?
How steep is this hill?
Ears
Pitch, rhythm, how high your hearing still goes, and the odd things ears do.
Hands
Speed, aim, a steady line, and which hand leads.
Mind
Memory, attention, and turning shapes over in your head.
How many things can you hold at a glance?
How many steps can you remember?
How many can you track at once?
Does your brain fight itself?
Can you rotate shapes in your head?
Tilt the glass. Where's the water?
Can you watch paint dry?
How many digits can you remember?
Left brain or right brain?
Are you smarter than a chimp?
Are you smarter than a pigeon?
Are you smarter than a crow?
Gut feel
Time, numbers, chance and how sure you are, without counting.
Body
Breath, sleep, dreams and the odd tricks your body can do.
How unique are you?
One of a kind, and one in a hundred billion.
How well do you know your own age?
What number human are you?
How many ancestors do you have?
How old is your body, really?
What is your body made of?
What generation am I?
How tall are you compared to the world?
How weird is your brain?
Are you a clean freak?
Pets
Your animals, and what they’re really up to.
Quiz
Questions with right answers. Keep score.