The determination of the soul weighing 21 grams was based on the average loss of mass in the six patients. Nonetheless, Mac Dougall's finding that the human soul weighed 21 Grams has become a meme in the public consciousness, mostly due to its claiming the titular thesis in the 2003 film 21 Grams.
The 24-Hour Clock is a convention of time keeping in which the day runs from midnight to midnight and is divided into 24 hours, indicated by the hours passed since midnight, from 0 to 23.
In 2011, seventeen years after Cobain's death, Amy Winehouse died at the age of 27, and there was a large amount of media attention devoted to the club once again.
Unlucky 13: the number 13 is considered to be an unlucky number in some countries; Friday the 13th has been considered the unluckiest day of the month; at Jesus Christ's last supper, there were thirteen people around the table, counting Christ and the twelve apostles; on Friday the 13th of October, 1307, King Philip IV of France ordered the arrest of the Knights Templar. The Nineteenth Hole is a slang term used in golf, generally referring to a pub, bar, or restaurant on or near the golf course, very often the clubhouse itself.
A standard round of golf has only eighteen holes, so golfers will say they are at the 'Nineteenth Hole', meaning they are enjoying a drink after the game. Having good vision and able to see without glasses; meeting a standard of normal visual acuity.
The number of musicians who have died at this age and the circumstances of many of those deaths has given rise to the idea that premature deaths at this age are unusually common.
Brian Jones, Alan Wilson, Jimi Hendrix, Janis Joplin and Jim Morrison died between 19, although a possible connection between their same death-age was not reported in the public press.
It is the smallest number with eight letters in its name spelled out in English.