42 open experiments
Experiments.
Each one is based on published research and takes a few rounds; most last two or three minutes. At the end you compare your answer with the crowd and read the science behind the finding. Play again as often as you like.
EXP. 007 · Attention
Plays in the last 30 days: 3 Name the color, not the word
Stopping yourself from reading is harder than you think: your brain has already read the word, whether you want it to or not. What changes when you flip the task, and when you race the clock?
EXP. 008 · Reaction
Plays in the last 30 days: 3 How fast are you?
There is a gap between the moment your eye sees something and the moment your finger moves, and it grows as the options multiply. But can you stop yourself when you need to?
EXP. 021 · Memory
Plays in the last 30 days: 1 Visual memory
Nine squares, one flashing sequence. When you memorize places instead of digits, how many steps can your memory carry?