On the last day of October in 1517, a scholar and priest named Martin Luther did as priests commonly did at the time when they had something to discuss amongst the clergy- he nailed a piece of paper to the door of the Castle Church in Wittenburg, Germany. Unlike many other such documents nailed to the doors of churches, this […]
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A great man once said, “This is the sort of English up with which I will not put.” Eloquently highlighting the ridiculousness of strictly adhering to the rule against ending a sentence with a preposition, Winston Churchill may not have realized that his defiance is supported by history. As it turns out, there was never any such generally recognized rule. […]
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Nothing put more fear into this author as a child more than being told, right before bedtime, “Sleep tight, don’t let the bedbugs bite.” I was a logical kid and I knew that ghosts, boogie men, vampires, and the monster living under my bed were all imaginary. But reminding me that there are very real bugs that may be living […]
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This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. Why Don’t Birds’ Legs Freeze? How a bird reacts to the cold depends on what kind of a bird it is and there are a variety of methods they use to keep their legs warm, from the mundane to the much […]
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F. Whisten asks: Is it true that all clams are male? If so, how do they reproduce? Encased in a hard shell, brainless and possessing only a single limb (a retractable foot that looks like a tongue), clams seem like a species for which reproduction would be difficult. And yet, each year, millions of clams are born – thanks in […]
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Walter K. asks: Why are movie theaters allowed to make their concessions so expensive? In 1948, the Supreme Court ended the stranglehold Hollywood studios and distributors had on the U.S. movie market. Declaring the big eight a monopoly and ordering them to divest of their ownership of movie theaters and cease other non-competitive practices, with U.S. v. Paramount Pictures, et […]
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Today, we mostly think of the fax machine as an outdated piece of technology. While there are still some uses for it in an office-setting, technological advances are sending the fax machines to the same pasture as pagers, land-line telephones, and disposable cameras. Even if this is the last we hear of the beeps and bops that echo as an […]
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Pat A. asks: Were Kamikaze pilots all just volunteers or how exactly did they get selected? During WWII, thousands of Japanese pilots made the ultimate sacrifice for their country by becoming, essentially, flying suicide bombers. But what was it that made these men so willing to lay down their lives in such a way? Were they really bright eyed volunteers […]
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Mark U. asks: Why doesn’t sugar ever seem to go bad? Two foods are left out on the counter – fresh tomatoes and a bowl of sugar. Within a week or so, one will develop black spots and the other remains pristine, albeit perhaps a little clumpy depending on the humidity of the air. The reason? Osmosis. While microorganisms love […]
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Eddie C. asks: How do ducks and other birds keep their feet from getting frostbite in the winter? How a bird reacts to the cold depends on what kind of a bird it is and there are a variety of methods they use to keep their legs warm, from the mundane to the much more fascinating. For starters, many birds […]
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This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. Terrifying Fluffy Bunnies and The Little Albert Experiment The Little Albert Experiment was a study conducted back in 1920 by famed psychologist, “the father of behaviorism”, John B. Watson. It essentially involved conditioning a baby, identified only as “Albert. B” to […]
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Paul E. asks: Is it true that Canadian beer has a lot more alcohol in it than American beer? Canadians boast longer lives, safer communities, free nationalized healthcare, a cleaner environment, the most gold medals in Olympic hockey, and, of course, poutine. But, contrary to popular belief, one thing they don’t do any different than their friends to the south […]
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While speed governing systems have been around on automobiles almost as long as they have existed (the first known one was installed on a Wilson-Pilcher car in 1900) and similar systems have been around long before that to control steam engines (as far back as the 17th century), the invention of the modern cruise control system is credited to inventor […]
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Jason H. asks: Here’s one for you I’ve never found a satisfactory answer on. Why don’t hot dogs and hot dog buns come in packs of the same number? Has it always been this way? Yes, finally today we are going to answer perhaps the most oft asked question we get in our inbox, a question that has been perplexing […]
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Ryan C. asks: How do they make tattoos permanent? In other words, how do they get tattoos to remain even as your skin is constantly regenerating? Depending on the source you consult, anywhere from 14 to 23 percent of American adults and about 24% of British adults have at least one tattoo, a figure that one would think is set […]
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In central Missouri, about hundred miles from St. Louis and right off of Route 66, sits the small town of St. James. Despite this town having only about four thousand people, it is proudly the location for the Tacony Corporation’s vacuum cleaner factory, a giant facility that produces cleaners for 13 different lines and brands, including for Maytag, Riccar, and […]
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Linda P. asks: Why do we always use “x” for everything in math? For hundreds of years, x has been the go-to symbol for the unknown quantity in mathematical equations. So who started this practice? Algebra was born in the Middle East, during the Golden Age of medieval Islamic civilization (750 to 1258 AD), and its early form can be […]
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The Little Albert Experiment was a study conducted back in 1920 by famed psychologist, “the father of behaviorism”, John B. Watson. It essentially involved conditioning a baby, identified only as “Albert. B” to experience fear at the sight of anything fluffy. Putting aside the egregious methodology problems and questionable ethics exhibited during the experiment, the reported results of the study, […]
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