John A. asks: When did people start smoking tobacco? While who exactly was the first to smoke tobacco has been lost to history, Jordan Goodman, in his book Tobacco in History, theorizes that tobacco was first cultivated thousands of years ago in the Americas, around the regions that have become known as Mexico and Brazil. The populations grew the plant […]
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This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. The Truth About Prepositions and the End of Sentences 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 […]
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Jill A. asks: Why does the panama canal have locks? Isn’t the ocean the same level on both sides? Rising 85 feet above the surface of one ocean, and then descending again to be gently floated on another one, ships that traverse the Panama Canal shave nearly 8,000 miles off of their voyage to the other side by investing a […]
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James I. asks: I was at Lowes and noticed mailboxes say “approved by the postmaster general”. What specifications do a mailbox need to reach to be approved in this way? I mean, it’s a box with a little door and a flag. Are those the requirements? What’s the process here? Thanks! While the United States Postal Service (USPS) and the […]
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John Dalton (1766-1844) was a distinguished scientist who is known for, among many other things, his theories about atoms, his law of partial pressures of gases and liquids (published in 1803), and being one of the first scientists to study color blindness. In fact, because of his work, for some time a common term for color blindness was “Daltonism,” and […]
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In this episode, you’re going to learn about the many myths surrounding the supposed “first” Thanksgiving and the Pilgrims. Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also find more episodes by going here: Daily Knowledge Podcast Transcript: Myth: Pilgrims wore black and white clothing with buckled top hats. The myth that they dressed […]
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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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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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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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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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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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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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In this episode, you’re going to learn whether European lords really ever practiced jus primae noctis (aka “First Night”)- sleeping with each of the peasant women on their lands on the women’s wedding nights. You’ll also learn where the first references to something like this occurred, and an interesting, and somewhat surprisingly, “Braveheart” fact. [TRANSCRIPT] Don’t miss future episodes of […]
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Embed This Infographic [Source: Today I Found Out] For Part 1 of this series go here: 10 Bizarre Facts For Part 2 of this series go here: 10 Bizarre Facts (Part-2) For Part 3 of this series go here: 10 Bizarre Facts (Part-3) For Part 4 of this series go here: 10 Bizarre Facts (Part-4) For Part 5 of this […]
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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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