Immense, stretching up to nearly 70 feet long and weighing over 50 tons, the sperm whale is the seventh largest animal, and the largest with teeth, in the world. Prized for centuries because of its oil and the almost supernatural ambergris it creates, the sperm whale today remains vulnerable. And although we have hunted and studied this leviathan for well […]
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Myth: Doctors are bound by the Hippocratic Oath. A binding agreement, as much a social contract as Social Security or Medicare, the traditional Hippocratic Oath holds those who swear to it to a strict code of professional and personal conduct. Contrary to popular belief, though, most doctors never take this oath, and, actually, most of us are probably glad they […]
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Absent from the visible spectrum and neither a wave nor a particle, the color pink is, for many, a scientific enigma: how can a shade that doesn’t even appear in the rainbow exist? The answer lies in color theory. The Primary Colors: RGB Unlike art production (see below), when it comes to eyesight (and video production), the primary colors are […]
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Luke asks: Why when I squint does it help me see things clearer? Squinting causes two reactions that help you visualize the world around you in better detail. First, it changes the shape of our eye, allowing light to be focused better. Secondly, it decreases the amount of light that is allowed to enter the eye. Light coming from a […]
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Jay asks: When/How did the Cold War start and finish? The Cold War was the geopolitical, ideological, and economic struggle between two world superpowers, the USA and the USSR, that started in 1947 at the end of the Second World War and lasted until the dissolution of the Soviet Union on December 26, 1991. The Cold War was marked by continuous rivalry between […]
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On an autumn evening, October third to be exact, in 1849, a middle-aged Edgar Allan Poe was found wandering the streets of Baltimore, Maryland in a delusional, hysterical state. Unkempt, dirty, with “vacant eyes” and in someone else’s clothes, the writer was admitted to Washington College Hospital unable to explain what had happened to him. At five am on October […]
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Today I found out that Welch’s Grape Juice started out as a substitute for sacramental wine. You’ve probably heard about Jesus turning water into wine, but Dr. Thomas Bramwell Welch is a lesser-known drink magician who developed a way to turn something that would have been wine into a non-alcoholic version of the drink, in an attempt to make an […]
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Today I found out why school buses are yellow. An estimated twenty-six million students in the United States alone are transported to school every school day via bus—over half the student population in the country. While school buses in countries outside of North America usually look like any other buses, North American school buses are distinctive for their yellow colour. […]
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In 1975, George Lucas was casting for his upcoming sci-fi film The Star Wars (name later changed to simply Star Wars). After a joint casting session with Brian De Palma, who was looking to hire actors for his new horror movie Carrie, Lucas was able to cast many of his principal actors. He decided on two young no-names, Carrie Fisher […]
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Today I found out about the origin of the phrase “in the limelight.” Today it means “at the centre of attention,” but back in the day “in the limelight” meant, well, being in the limelight. “Limelight,” which is also known as “calcium light,” was used as stage lighting for years after being discovered by Goldsworth Gurney in the 1820s. Gurney […]
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This is a weekly wrap of our Daily Knowledge Newsletter. You can get that newsletter for free here. The Fascinating Origin of the Word “Abracadabra” These days you might hear this word before some stage magician pulls a rabbit out of his hat, but hundreds of years ago people actually believed that “abracadabra” was a magical spell. The exact origin […]
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Today I found out about the life of Zelda Sayre Fitzgerald, the wife of famous writer F. Scott Fitzgerald and who the video game character of “Zelda” was named after. Zelda Sayre was born in Montgomery, Alabama in 1900. She was named for characters in two different books, Zelda: A Tale of the Massachusetts Colony and Zelda’s Fortune, both of […]
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While there are a million plotlines and hundreds of explanations of how various superheroes got their special powers, there was one superhero in the 1960s who maintained his powers to fight evil by lighting up. “8-Man” originally ran as a weekly comic strip in Japan from 1960 to 1963, then a half-hour cartoon from 1963 to 1964. The show eventually moved […]
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Despite her future successes, Nancy Wake had humble beginnings. She was born in Wellington, New Zealand in 1912, but her family moved to Sydney, Australia when she was almost two and she grew up there. A Maori midwife delivered her and, at the time of her birth, allegedly pointed at a fold of skin on her head and said, “’This […]
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When actress Michelle Pfeiffer was just starting out in Hollywood, long before her hit movies Batman Returns and Hairspray hit theatres, she admits to being roped into the cult of “breatharianism.” Breatharians believe that humans can survive without food or water—they get all the nutrients they need from air and sunlight. Obviously as even plants can’t survive with only air […]
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With the possible exception of boozy, reckless ingénues, there is no animal more bent on its own ruin than the giant panda. With its low population (only 1600 remain in the wild and 300 in captivity) and self-destructive lifestyle, giant pandas are in danger of extinction. Luckily, scientists and conservationists are hard at work unlocking the secrets of panda behavior […]
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Today I found out why your palms get sweaty when you’re nervous. Ever been on the edge of a cliff or looking out the window at the top of a skyscraper and your hands start to sweat? Or maybe it’s when you’re about to speak in front of an audience? The individual who introduced you might shake your hand and […]
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Gracen asks: Do moths really eat clothes? The common “clothes moth”, “clothing moth” or to give its street name, Tineola bisselliella, doesn’t actually eat clothes. In fact, clothing moths don’t even possess the ability to eat- they don’t have a mouth. Once they become a moth, rather than waste their time eating, they simply mate, the female lays her eggs, […]
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