At the thirteenth General Conference on Weights and Measures in 1967, one second was redefined as “the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.” In April of this year, the National Institute of Standards and Technology in Boulder, Colorado, unveiled a new atomic clock to act as the United States’ primary time standard; it will not gain or lose a second in 300 million years.
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“Were it possible that the sea could be drained of its waters and emptied by some extraordinary accident, what incredible numbers, what infinite variety of uncommon and amazing sea monsters would exhibit themselves to our view, which are now entirely unknown!” wrote Reverend Erich Pontoppidan in his Natural History of Norway, published in 1753. Ninety-five percent of the ocean remains unseen by humankind, and it is believed that up to sixty-five percent of its plant and animal life has not yet been undiscovered.
The eponymous temptress of Dolly Parton’s 1973 hit “Jolene” was based, according to the country singer, on a bank teller who flirted with her husband, Carl Dean. “Every time I look at him sleeping over there in his La-Z-Boy, snoring, that hair turning gray at the temples,” Parton said in a 2014 interview, “I wonder if Jolene is still around. I’ll call her up and say, ‘You come and get him now!’ ”
While on his American lecture tour in 1882, Oscar Wilde drank elderberry wine with Walt Whitman; saw Niagara Falls, later noting, “Every American bride is taken there, and the sight of the stupendous waterfall must be one of the earliest, if not the keenest, disappointments in American married life”; read aloud passages from Benvenuto Cellini’s autobiography to miners in Colorado; and witnessed a lynching in Louisiana.
For the treatment of “delirium and mania combined with shameless behavior,” ninth-century Persian polymath al-Razi offered a remedy by medical theorist Simʿun: “Bathe the patient’s head with a decoction of elecampane and sheep’s trotters, pour milk over him, put dung upon him, make him snuff sweet violet oil and breast milk, and feed him anything that is cold, fatty, and fills and moistens the brain.”
Before the nineteenth century, a conductor’s baton was a baseball-bat-size implement that was banged against the floor to keep time. This could be dangerous. In 1687, while conducting a symphony playing Te Deum for Louis XIV, who had just recovered from serious illness, composer Jean-Baptiste Lully accidentally struck his foot with his baton, causing inflammation in his toe. He refused amputation, and an infection spread, killing him two months later.
In his Muqaddimah, the fourteenth-century Arab historian Ibn Khaldun describes talismans that make use of “the loving numbers” 220 and 284 to create the perfect union between friends or lovers. Two effigies are created, and the larger number is placed on the effigy of “the person whose friendship is sought.” The result of this “magical operation,” he explains, is a connection between the two such that “one is hardly able to break away from the other.”
In 1891 Erik Weisz began using the stage name Harry Houdini—the first name deriving from his nickname “Ehrie” and the surname from the great French magician Jean-Eugène Robert-Houdin, who himself had taken the surname from his wife, Josephe Cecile Eglantine Houdin, in order, he wrote, “to distinguish me from my numerous homonyms.”
According to a notoriously unreliable late Roman biography, the emperor Hadrian established special hours in the public baths for exclusive use by the ill. “If we assume that the report is not an invention of the author,” wrote historian Garrett G. Fagan, “it suggests that prior to Hadrian’s ruling, the sick and healthy had bathed simultaneously as a matter of course.”
In The Canterbury Tales, Geoffrey Chaucer wrote, “Four o’ the clock it was, to make a guess; / Eleven foot long, or little more or less, / My shadow was, as at that time and place, / Measuring feet by taking in this case / My height as six.”
A thirteenth-century Song dynasty text about commerce describes dangers faced by pearl divers, who sometimes fell prey to “huge fishes, dragons, and other sea monsters” that would rip open their stomachs or bite off their feet. A pearl was considered most valuable if perfectly round; the test was “that it will not cease rolling about all day when put on a plate.” To avoid heavy export duties, foreign traders sometimes concealed pearls in canes or umbrella handles.
“In Turkish we have a special tense that allows us to distinguish hearsay from what we’ve seen with our own eyes,” wrote Orhan Pamuk in Istanbul: Memories and the City. “When we are relating dreams, fairy tales, or past events we could not have witnessed, we use this tense. It is a useful distinction to make as we ‘remember’ our earliest life experiences, our cradles, our baby carriages, our first steps, all as reported by our parents, stories to which we listen with the same rapt attention we might pay some brilliant tale of some other person.”
Emma Lazarus wrote “The New Colossus” to raise money for the Statue of Liberty’s pedestal fund in 1883 and soon after embarked on a ship to London to promote the cause for a Jewish homeland in Palestine. Her poem was only placed on a plaque at the foot of the “Mother of Exiles” in 1903, six years after her death.
“There are observances necessary for a healthy man to employ during a pestilence,” advised the first-century Roman medical writer Aulus Cornelius Celsus, “although in spite of them, one cannot be secure.” Best of all is “to go abroad, take a voyage. When this cannot be, to be carried in a litter, walk in the open before the heat of the day, gently, and to be anointed in like manner.”
Nineteenth-century British penologist Matthew Davenport Hill, who believed justice to be debased by fees extracted throughout the legal process, often cited mock examination questions given by Cambridge professor Richard Porson. “What happens if you win your cause?” asks the first, to which the answer is “You are nearly ruined.” The second: “What happens if you lose your cause?” Answer: “You are quite ruined.”