Lori asks: When you ask someone a question where they have to remember something, everyone seems to look up and off to the side. Why do we do this? Down and to the left, straight-head but unfocused, and, of course, up and to the right, when asked a tough question or to recall a long-buried memory, most of us shift […]
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Gage A. asks: Was the man in the iron mask a real person? On November 19, 1703, a tomb in the Bastille’s Saint Paul Cemetery welcomed the corpse of a man who had spent almost the last four decades of his life in various prisons of France. He is without a doubt the most famous prisoner in French history, even though […]
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Eliminating the unnecessary u, many duplicate consonants, the redundant e, converting diphthongs into simple vowels and turning the combination of e and r at the end of a word the right way around, Americans significantly changed the spelling of many English words. And it was done with the best of intentions – to make spelling easier. American English began to […]
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Tom R. asks: Who invented tasers? Early use of an electronic control device, like the TASER, by law enforcement occurred in the 1960s when American police officers used electric cattle prods to disperse Civil Rights activists. As for the earliest cattle prods, this came about when inventor John Burton of Wichita, Kansas received a patent (US427549 A) in the late […]
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Kelly asks: Is it true that men snore more than women? If it is true, why and if not where did this stereotype come from? Thanks! When humans sleep, the muscles around our throats relax and cause the airways to narrow. Snoring occurs when certain soft tissues—such as the soft palate (or roof of the mouth), the uvula (the dangling […]
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Katy E. asks: Are there any differences between razors and shaving cream for men and women beyond cosmetic? Shaving companies almost universally put out both a men’s and women’s version of each of their products, with the women’s version generally costing quite a bit more. But is there actually any difference between the so-called “gendered razors” and shaving cream or […]
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Amy W. asks: How do they make baby carrots? Unlike cut baby carrots, farmers grow “true” baby carrots to be naturally small, or other times they are simply carrots harvested before they get a chance to completely mature. “True” baby carrots bear the same cone shape as a normal sized carrot while only being a fraction of the size. A […]
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Mark R. asks: Why does wet hay that is bailed catch on fire? Plant reactions and bacterial growth combine to raise temperatures in even the driest hay bales, although most never catch fire on their own. However, when hay is packed tightly, and enough moisture gets in, the conditions may be right for spontaneous hay combustion. How does this work? […]
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Noah asks: Why is it that aluminium foil on the outer part is very shiny, but the other side isn’t? The most abundant metal in the Earth’s crust, aluminum naturally occurs as a compound with other elements, such as aluminum oxide or potassium aluminum sulfate. As such, it was not isolated as a separate element until 1825 when a Danish […]
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Jim R. asks: Why is it “righty tighty, lefty loosey” with screws? One of the six simple machines, a screw is nothing more than an inclined plane wrapped around a center pole. While today screws come in standard sizes, and typically are tightened by turning clockwise (and loosened by turning counterclockwise), this is a recent invention. A great example of […]
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Jane R. asks: In photos of starving children and babies, their stomachs often seem to be swelled up. What causes this? Of all the tragic, indelible images that come from places of famine, none is more troubling than the iconic photograph of a painfully thin child with an enormous, distended belly. The result of several factors relating to malnutrition, that […]
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John B. asks: Why are things like the distance and height of a pitchers mound always uniform, but outfield dimensions are allowed to be whatever the stadium designers want? From Boston’s Green Monster, to San Francisco’s McCovey Cove and Houston’s absurd Tal’s Hill, Major League Ballparks can vary greatly in design and depth. Yet despite all of their differences, the […]
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Neil asks: Who invented the slot machine? The story of the slot machine is one of intrigue, theft, controversy, and murder. Okay, not murder, but everything else. And it starts in Bavaria…. Augustinus Charles Fey was the youngest of sixteen children born in 1862 in the small village of Vohringen, Bavaria which sits at the edge of the Alps. Early […]
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Mekala asks: Is the black box in airplanes really black? Also, who invented it? Thanks! Like many inventions, versions of an airplane “black box” were independently invented by several people, in this case beginning around the 1930s and 1940s. As for the version that began being installed on commercial aircraft, it was invented in response to a tragic loss of […]
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Cunningham’s Law is an internet adage that states “The best way to get the right answer on the Internet is not to ask a question, but to post the wrong answer.” It’s an interesting hypothesis for sure. And, if you’ve spent any time on the internet whatsoever, you’re likely well aware that posting something incorrect online is a sure-fire way […]
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Matthew C. asks: Who made the first diet pop? In order to make a diet soda (at least one people would popularly drink), a sugar substitute was needed. The first such artificial sweetener, saccharin, was discovered by accident. In the late 19th century, Constantin Fahlberg, after a long day working at the lab of the famed chemist Ira Remsen in […]
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Mark K. asks: Cans of Diet Coke float. Cans of regular Coke don’t. The cans are the same size and they contain the same amount of liquid according to the label. What gives? Fun fact: If you put a can of Coca-Cola into a pool of water, it would sink. However, if you put a can of Diet Coke into […]
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John A. asks: What causes warts and how do you get rid of them safely? A viral infection caused by one of several ubiquitous strains (there are more than 100 known, with the vast majority of humans acquiring at least one strain at some point in our lives) of the pesky human papillomavirus (HPV), skin warts happen as the virus […]
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