In 480 bc, with the Persian army on the cusp of defeating Greece, Athenian general Themistocles sent a trusted slave to convey a message to Persian king Xerxes; the note professed allegiance to Persia and reported many Greek ships prepared to defect. The Persians, acting hastily on this false intelligence, sailed into the Strait of Salamis, where the Greek fleet was waiting and gained a decisive victory.
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By the end of the century, a report by the National Science Foundation in 1982 predicted, 40 percent of American homes will have “two videotex service”—a term describing the emergent conjunction of communications and computing. A U.S. Census report found in 2000 that 42 percent of American homes used the Internet. The first year the census started tracking U.S. computer usage was 1984.
Ahead of a visit from Hannah Arendt in 1971, Mary McCarthy purchased anchovy paste, which she knew Arendt enjoyed. When McCarthy pointed out where to find it in her cupboard, Arendt looked displeased. “She had a respect for privacy, separateness,” McCarthy later wrote. “I knew I had done something wrong in my efforts to please. She did not wish to be known, in that curiously finite and, as it were, reductive way. And I had done it to show her I knew her—a sign of love, though not always—thereby proving that in the last analysis I did not know her at all.”
The first Olympic champion on record, Coroebus, was a cook. He won the sprint in 776 BC.
James Boswell recorded that during the sale of Henry Thrale’s brewery, Samuel Johnson—an executor of the business—“appeared bustling about, with an inkhorn and pen in his buttonhole, like an exciseman,” and was asked what he considered to be the true value of the property. “We are not here to sell a parcel of boilers and vats,” Johnson responded, “but the potentiality of growing rich beyond the dreams of avarice.”
A 2006 University of Cambridge study found that meerkats teach pups how to hunt by first introducing them to dead prey, then to injured prey; when the pup is ready, the adults present them with live prey. “There were clear post-provisioning costs involved in feeding pups live prey,” the researchers wrote. If the prey escaped, the adults were able to recapture it only about 26 percent of the time. “On around 7 percent of occasions, helpers further modified the prey before returning it.”
According to an Aztec myth, the war god Huitzilopochtli sent a group of Mexica on a journey to establish the new center of the world. After some two hundred years of wandering, they saw an eagle resting on a cactus with its “wings stretched outward like the rays of the sun.” Taking the bird to be a divine sign that they had reached their destination, they “began to weep and dance about with joy and contentment.”
Researchers at Yale and UC San Diego found that among a sample of almost two thousand subjects, none of them related, pairs of friends were significantly more likely to share gene variants than pairs of strangers; on average, close friends were the genetic equivalent of fourth cousins, making them “functional kin.” “Not only do we form ties with people superficially like ourselves,” said sociologist Nicholas Christakis, one of the study’s authors, “we form ties with people who are like us on a deep genetic level.”
Muscle Shoals, Alabama, site of a huge munitions plant during World War II, had a surplus of ammonium nitrate in 1946. The U.S. Department of Agriculture suggested that the chemical, a primary ingredient in explosives, be used as fertilizer. Industrial production of the resulting synthetic fertilizer led to an explosion in corn yields in the 1950s. A Tennessee Valley Authority representative recounted that “as soon as the need for nitrate explosives fell off, we were ready to convert that to agricultural nitrate.” “We are eating the leftovers of the Second World War,” the environmental activist Vandana Shiva said in a 2005 speech.
“Today is my eighteenth birthday!” Alexandrina Victoria wrote in her journal on May 24, 1837. Less than a month later, she was awoken at six o’clock and informed she was queen of the United Kingdom. “I am very young and perhaps in many, though not in all things, inexperienced,” she noted that day, “but I am sure that very few have more real goodwill and more real desire to do what is fit and right than I have.” Her reign, at 63 years and 216 days, is the second longest of the British monarchy.
Using symbolically coded messages hidden in beer barrels, Catholic conspirators communicated with the imprisoned Mary, Queen of Scots, about a plan to kill Elizabeth I. Francis Walsingham, the queen’s spymaster, obtained a message, employed a codebreaker, and found evidence that Mary approved of the assassination. She was beheaded for treason in 1587.
About 40 percent of employers peer at the social-media profiles of prospective candidates, and 40 percent of party guests admit to snooping through a host’s medicine cabinet or drawers. The percent of women who admit to having looked through a partner’s phone without permission is 34 percent; of men, 62.
A 2013 study involving American college students found that participants were more likely to deem a face more attractive if it was presented amid a group of faces than if it was displayed alone. This “cheerleader effect,” scientists ventured, was “due to the averaging out of unattractive idiosyncrasies.” Two years later a similar study conducted with Japanese participants failed to replicate the results of the initial study.
Many medical experts disdain the widely circulated idea that adults need to drink eight glasses of water per day; most agree that solid foods alone provide enough hydration. Barbara Rolls, a nutrition researcher at Pennsylvania State University, was asked in 2001 about the origin of the spurious rule. “I can’t even tell you,” she said, “and I’ve written a book on water.”
In 2012, twelve zoos in the U.S. and Canada introduced iPads for use during the enrichment times allotted to orangutans as part of a program called Apps for Apes. Richard Zimmerman, director of Orangutan Outreach, said of the animals in the program, “We’re finding that, similar to people, they like touching the tablet, watching short videos of David Attenborough, for instance, and looking at other animals and orangutans.”