White, yellow, orange, green, blue, purple and black, the colors of martial arts belts denote student development, skills and experience. However, contrary to popular belief, using colored belts to denote rank or ability in martial arts is a relatively recent invention in the otherwise ancient arts- one that was only introduced around the turn of the 20th century. Much of […]
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Alex B. asks: Why are farts flammable? Contrary to popular belief, it’s probably not methane leaking from behind that reckless “bros” light on fire (known as pyroflatulence); rather, it’s most likely primarily hydrogen. In a typical, healthy body, human farts are comprised primarily of hydrogen, nitrogen, some carbon dioxide and potentially a small amount of methane and oxygen. These farts […]
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Diane F. asks: Who started the tradition of girls jumping out of cakes? Almost everyone has seen depicted the bizarre bachelor party tradition of a scantily-clad woman jumping out of a giant cake. It turns up most often in decades-old films, TV shows, and comics, but it still persists today at lavish Vegas shindigs—though the cakes are now usually made […]
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Ben W. asks: Who invented darts? While throwing rocks and dart-like objects in battle has been around seemingly as long as there have been humans, rocks, and dart-like objects, the game of darts itself is generally thought to have stemmed from the Middle Ages. Legend has it that everyone’s favorite pub game was originally invented by bored (and possibly tipsy) […]
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Shristi U. asks: Why did trains used to have cabooses but now don’t? For well over a century, cabooses, the cute quintessentially red cars at the rear of trains in years past, served an integral function in train operations. Carrying a brakeman and a flagman back when brakes were set by hand, when it was time to slow the train, […]
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K. Crain asks: Why aren’t humans furry like other primates? Although there is no definitive account of why we lost our body hair when every other primate is covered with the stuff, there are a handful of compelling theories that may explain our hairless condition. One early explanation for why we, alone, are the only relatively “naked” apes was the […]
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Ron17 asks: How do they decide who gets to guard the tomb of the unknown soldier? Since 1937, the Tomb of the Unknowns has famously never once been left unattended with there always being at least one guard present to keep vigil. The highly coveted position of Tomb Sentinel is only meted out to truly exceptional soldiers, all of whom must prove […]
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Lynn asks: Why are some cheeses made in wheels and others are in blocks? Whether a block, a wheel, a cylinder or a pyramid, a cheese’s shape is dictated by concerns with pressure, salt absorption, ripening, economics and/or tradition. Cheeses that are made in wheels, like creamy Brie and Camembert, need equal rates of salt uptake, as well as even […]
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Brooke asks: Can ambulances get speeding tickets? Subject to the same rules of the road as other drivers, with a few exceptions for emergencies, ambulances can be pulled over and ticketed for speeding and other traffic violations, although it is exceedingly rare. Generally speaking, ambulance drivers should observe all traffic laws and regulations; however, some of those laws are waived […]
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Olivia B. asks: Why do women always seem to be fainting in classic books? Dropping like flies (or at least as far as many stories indicate), it seems as if well-bred ladies in the 1800s struggled to maintain consciousness when faced with even the slightest emotional or physical shock. Over the years there have been several theories as to why […]
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Nathan G. asks: Why is lead bad for us? Given that humans have been using lead in various product for over 8,000 years (with the first known mining of it in Anatolia around 6500 BCE), you might be surprised to learn that we have known that lead is dangerous and shouldn’t be trifled with since at least 150 BC, when […]
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Justin R. asks: What is going on in our skin to create goose bumps? A holdover from an earlier stage in our evolution, goose bumps are a function of the autonomic nervous system reacting to a primal threat. Technically, the phenomenon is called the pilomotor reflex, and occurs when the arrector pili muscle, which runs between the base of a […]
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Simon E. asks: I was just wondering what a gamut is in the expression “run the gamut”? Meaning “the entire range,” the word gamut traces its origins to the Middle Ages and a system for designating musical notes. Around the turn of the second millennium, Guido of Arezzo, a medieval monk, developed a system of solmization, i.e., designating musical notes […]
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Karla S. asks: What does it mean when a show gets syndicated? Selling the right to broadcast a television or radio program to independent stations, syndication has enabled the modern system of 24/7 broadcasting by providing producers of content with a consistent revenue stream, and stations with enough programming to satisfy their eager audiences. There are a variety of syndication […]
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Kelly C asks: What happens to a person when they are tarred and feathered? Do they die? In times gone by, tarring and feathering was a go-to method used by mobs to punish or otherwise humiliate criminals or people believed to have wronged the community in some way. While it’s mostly recognised as being a punishment handed down in colonial […]
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Karen A. asks: How prevalent is homosexuality in animals? Are there any animals besides humans that have members that are exclusively homosexual? While it is sometimes claimed that only humans engage in bisexual or homosexual relationships, this is far from the truth and the practice is actually quite common in the animal kingdom. For example, nearly 10% of male sheep […]
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Piot R. asks: Where do mosquitoes disappear to during the daytime? Mosquitoes are the bane of anyone who steps outside during the hours around dusk and dawn. If not caught in time, the creatures take a drink of blood, and then leave behind an itchy bump, and maybe a disease or two. But very rarely do the insects come out […]
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Karla R. asks: Why is a tiny bit of vanilla added to so many recipes? What does adding this substance actually do? Enhancing the flavor of the other ingredients in a sweet dish, vanilla also adds a spicy, delicate taste and packs a strong, enticing aroma. This is why, despite its expense, vanilla is wildly popular among home cooks and […]
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