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Today, we mostly think of the fax machine as an outdated piece of technology.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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This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. Did English Speakers Really Not Use Contractions in the 19th Century as Depicted in True Grit? Contractions in some form of English date back to Old English (450 AD – 1150 AD), a language that bears little resemblance to our English […]
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Keith H. asks: When the police and media report crowd sizes of a parade or something, what do they base their numbers on? Although the task of determining how many people attend something as large as say, a political rally or a protest may seem like a daunting, almost impossible undertaking to do with any accuracy, with some basic information, […]
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Simon W. asks: What causes canker sores? The symptoms of canker sores are well known. In their minor form, canker sores are small, rounded or ovate, white or yellow bumps with red edges that usually clear up within a week or so. Major canker sores are less well defined with irregular edges and can take weeks to heal – sometimes […]
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R. Lee asks: In Seven an obese man is made to stuff himself until his stomach bursts. Is this really possible? Wouldn’t you just naturally throw up? Although extremely rare, some people actually have ruptured their stomachs after eating too much, and, perhaps not surprisingly, many did not survive. When a stomach ruptures, the billions of bacteria that normally live […]
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