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.

Some may believe this assertion, whereas most people employ the rule as an amusing social fiction that allows them to eat a dropped piece of food, despite the potential reservations of their peers.

The Five-Second Rule, sometimes also the three-second rule, is a western cultural food hygiene concept, that states that there is a defined window where it is permissible to pick up food (or sometimes cutlery) after it has been dropped and thus exposed to contamination.

In a speech on foreign policy on April 27, Trump hearkened back to Clintons famous '3 a.m.' campaign ad in 2008 in which she claimed she was more tested and prepared than Barack Obama to handle a late-night call to the White House about a dire emergency. "All the world's a stage" is the phrase that begins a monologue from William Shakespeare's As You Like It, spoken by the melancholy Jaques in Act II Scene VII.

The Five Pillars of Islam are five basic acts in Islam, considered obligatory by believers and are the foundation of Muslim life. These are summarized in the famous hadith of Gabriel. How many and what type of bacteria would stick to a piece of dropped food depends on many factors, the food or the floor being wet or dry among them.

Marked by facilely accurate discernment, judgment, or assessment. Duncan Mac Dougall weighed six patients while they were in the process of dying from tuberculosis in an old age home.

He took his results (a varying amount of perceived mass loss in most of the six cases) to support his hypothesis that the soul had mass, and when the soul departed the body, so did this mass.

Spain's equivalent of April Fools' day is December 28.

Thirty pieces of silver was the price for which Judas Iscariot betrayed Jesus, according to an account in the Gospel of Matthew in the New Testament.

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.