Good news - they've identified the bit of brain that reminds you if you have a bit of tea left in your mug.
It is time-resistant, in the occipitofrontal lobe of the brain. It also has a direct connection with the indignation centre of the hypothalamus which is activated should there be a two second window in which the cup cannot be found.
It's the most specialised part of the ofice worker's brain.
