MARK RALSTON/AFP/Getty Images
MARK RALSTON/AFP/Getty Images

What Do the Olympic Rings Mean?

MARK RALSTON/AFP/Getty Images
MARK RALSTON/AFP/Getty Images

"It represents the five inhabited continents of the world, united by Olympism, while the six colors are those that appear on all the national flags of the world at the present time."

In 1894, Pierre de Frédy, Baron de Coubertin—a French aristocrat and intellectual who had previously attempted to incorporate more physical education in schools—convened a congress in Paris with the goal of reviving the ancient Olympic Games (an idea Coubertin first introduced at a USFSA meeting in 1889). The congress agreed on proposals for a modern Olympics, and the International Olympic Committee was soon formalized and given the task of planning the 1896 Athens Games.

After the 1912 Stockholm Games—the first Games featuring athletes from all five inhabited parts of the world—a design of five interlocked rings, drawn and colored by hand, appeared at the top of a letter Coubertin sent to a colleague. Coubertin used his ring design as the emblem of the IOC's 20th anniversary celebration in 1914. A year later, it became the official Olympic symbol.

The rings were to be used on flags and signage at the 1916 Games, but those games were canceled because of the ongoing World War. The rings made a belated debut at the 1920 Games in Antwerp, Belgium.

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Coubertin explained his design in 1931:

"A white background, with five interlaced rings in the centre: blue, yellow, black, green and red ... is symbolic; it represents the five inhabited continents of the world, united by Olympism, while the six colors are those that appear on all the national flags of the world at the present time."

Coubertin used a loose interpretation of "continent" that included Africa, the Americas, Asia, Europe and Oceania. He never said nor wrote that any specific ring represents a specific continent.

Because the rings were originally designed as a logo for the IOC's 20th anniversary and only later became a symbol of the Olympics, it's also probable, according to historian David Young, that Coubertin originally thought of the rings as symbols of the five Games already successfully staged.

ANCIENT RINGS? 

Popular myth (and an academic article) has it that the rings were inspired by a similar, ancient design found on a stone at Delphi, Greece. This "ancient" design, however, is really just a modern prop.

For the 1936 Summer Games in Berlin, Carl Diem, president of the organizing committee, wanted to relay the Olympic Flame from its lighting point in Olympia to the Olympic stadium in Berlin. Diem, it seems, had a flair for theatrics, and included in the relay a stop at Delphi's ancient stadium for a faux-ancient Greek torchbearers' ceremony complete with a faux-ancient, 3-foot-tall stone altar with the modern ring design chiseled into its sides.

After the ceremony, the torch runners went on their way, but no one ever removed the stone from the stadium. Two decades later, British researchers visiting Delphi noticed the ring design on the stone. They concluded that the stone was an ancient altar, and thought the ring design had been used in ancient Greece and now formed "a link between ancient and modern Olympics."

The real story behind the altar was later revealed, and "Carl Diem's Stone" was moved from the stadium and placed near the ticketed entrance to the historic site.

The inspiration for Coubertin's design seems to be a little more modern. Four years before he convened his Olympic congress, he had become president of the French sports-governing body, the Union des Sociétés Françaises de Sports Athlétiques (USFSA). The Union was formed from the merging of two smaller sporting bodies, and to symbolize this, a logo of two interlocking rings—one red and one blue, on a white background—was created and displayed on the uniforms of USFSA athletes.

"It seems quite obvious," says historian Robert Barney in a 1992 Olympic Revue article, "that Coubertin's affiliation with the USFSA led him to think in terms of interlocked rings or circles when he applied his mind towards conceiving a logo ... indeed, a ring-logo that would symbolize his Olympic Movement's success up to that point in time.... Circles, after all, connote wholeness, the interlocking of them, continuity."

LORD OF THE RINGS

The IOC takes their rings very seriously, and the symbol is subject to very strict usage rules and graphic standards, including:

The area covered by the Olympic symbol (the rings) contained in an Olympic emblem (e.g. the 2008 Games emblem) can't exceed one-third of the total area of the emblem.
*
The Olympic symbol contained in an Olympic emblem has to appear in its entirety (no skimping on rings!) and can't be altered in any way.
*
The rings can be reproduced in a solid version (for single color reproduction in blue, yellow, black, green, red, white, gray, gold, silver, or bronze) or an interlocking version (interlaced from left to right; and reproduced in any of the aforementioned colors or full color, in which case the blue, black and red rings are on top and the yellow and green are on the bottom).
*
For reproduction on dark backgrounds, the rings must be a monochromatic yellow, white, gray, gold, silver, or bronze; full color on a dark background is not allowed.

This article originally appeared in 2010.

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How Does Catnip Work?
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If you have a cat, you probably keep a supply of catnip at home. Many cats are irresistibly drawn to the herb, and respond excitedly to its scent, rubbing against it, rolling around on the floor, and otherwise going nuts. There are few things that can get felines quite as riled up as a whiff of catnip—not even the most delicious treats. But why does catnip, as opposed to any other plant, have such a profound effect on our feline friends?

Catnip, or Nepeta cataria, is a member of the mint family. It contains a compound called nepetalactone, which is what causes the characteristic catnip reaction. Contrary to what you might expect, the reaction isn’t pheromone related—even though pheromones are the smelly chemicals we usually associate with a change in behavior. While pheromones bind to a set of specialized receptors in what’s known as a vomeronasal organ, located in the roof of a cat's mouth (which is why they sometimes open their mouths to detect pheromones), nepetalactone binds to olfactory receptors at the olfactory epithelium, or the tissue that lines the mucus membranes inside a cat’s nose and is linked to smell.

Scientists know the basics of the chemical structure of nepetalactone, but how it causes excitement in cats is less clear. “We don’t know the full mechanisms of how the binding of these compounds to the receptors in the nose ultimately changes their behavior,” as Bruce Kornreich, associate director of the Cornell Feline Health Center, tells Mental Floss. Sadly, sticking a bunch of cats in an MRI machine with catnip and analyzing their brain activity isn’t really feasible, either from a practical or a financial standpoint, so it’s hard to determine which parts of a cat’s brain are reacting to the chemical as they frolic and play.

Though it may look like they’re getting high, catnip doesn’t appear to be harmful or addictive to cats. The euphoric period only lasts for a short time before cats become temporarily immune to its charms, meaning that it’s hard for them to overdo it.

“Cats do seem to limit themselves," Michael Topper, president of the American Veterinary Medical Association, tells Mental Floss. "Their stimulation lasts for about 10 minutes, then it sort of goes away.” While you may not want to turn your house into a greenhouse for catnip and let your feline friend run loose, it’s a useful way to keep indoor cats—whose environment isn’t always the most thrilling—stimulated and happy. (If you need proof of just how much cats love this herb, we suggest checking out Cats on Catnip, a new book of photography from professional cat photographer Andrew Martilla featuring dozens of images of cats playing around with catnip.)

That said, not all cats respond to catnip. According to Topper, an estimated 70 percent of cats react to catnip, and it appears to have a genetic basis. Topper compares it to the genetic variation that causes some individuals to smell asparagus pee while others don’t. Even if a cat will eventually love the smell of catnip, it doesn’t come out of the womb yearning for a sniff. Young kittens don’t show any behavioral response to it, and may not develop one until several months after birth [PDF].

But some researchers contend that more cats may respond to catnip than we actually realize. In one 2017 study, a group of researchers in Mexico examined how cats might subtly respond to catnip in ways that aren’t always as obvious as rolling around on the floor with their tongue hanging out. It found that 80 percent of cats responded to catnip in a passive way, showing decreased motor activity and sitting in the “sphinx” position, an indicator of a relaxed state.

There are also other plants that have similar effects on cats, some of which may appeal to a wider variety of felines than regular old catnip. In a 2017 study in the journal BMC Veterinary Research, researchers tested feline responses to not just catnip, but several other plants containing compounds similar in structure to nepetalactone, like valerian root, Tatarian honeysuckle, and silver vine. They found that 94 percent of cats responded to at least one of the plants, if not more than one. The majority of the cats that didn’t respond to catnip itself did respond to silver vine, suggesting that plant might be a potential alternative for cats that seem immune to catnip’s charms.

Despite the name, domestic cats aren’t the only species that love catnip. Many other feline species enjoy it, too, including lions and jaguars, though tigers are largely indifferent to it. The scent of the plant also attracts butterflies. (However, no matter what you’ve heard, humans can’t get high off it. When made into a tea, though, it reportedly has mild sedative effects.)

The reason Nepeta cataria releases nepetalactone doesn’t necessarily have to do with giving your cat a buzz. The fact that it gives cats that little charge of euphoria may be purely coincidental. The chemical is an insect repellant that the plant emits as a defense mechanism against pests like aphids. According to the American Chemical Society, nepetalactone attracts wasps and other insect predators that eat aphids, calling in protective reinforcements when the plant is in aphid-related distress. That it brings all the cats to the yard is just a side effect.

Because of this, catnip may have even more uses in the future beyond sending cats into a delighted frenzy. Rutgers University has spent more than a decade breeding a more potent version of catnip, called CR9, which produces more nepetalactone. It’s not just a matter of selling better cat toys; since catnip releases the compound to ward off insects, it’s also a great mosquito repellant, one that scientists hope can one day be adapted for human use. In that case, you might be as excited about catnip as your cat is.

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

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Why Are Mugshots Made Public Before a Suspect is Convicted by the Court?
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Jennifer Ellis:

Several reasons.

1. Mugshots can help find people when they have absconded, or warn people when someone is out and dangerous. So there is a good reason to share some mugshots.

2. Our legal system requires openness as per the federal constitution, and I imagine most if not all state constitutions. As such, this sort of information is not considered private and can be shared. Any effort to keep mugshots private would result in lawsuits by the press and lay people. This would be under the First and Sixth Amendments as well as the various Freedom of Information Acts. However, in 2016 a federal court ruled [PDF] that federal mugshots are no longer routinely available under the federal FOIA.

This is partially in recognition of the damage that mugshots can do online. In its opinion, the court noted that “[a] disclosed booking photo casts a long, damaging shadow over the depicted individual.” The court specifically mentions websites that put mugshots online, in its analysis. “In fact, mugshot websites collect and display booking photos from decades-old arrests: BustedMugshots and JustMugshots, to name a couple.” Some states have passed or are looking to pass laws to prevent release of mugshots prior to conviction. New Jersey is one example.

a) As the federal court recognizes, and as we all know, the reality is that if your picture in a mugshot is out there, regardless of whether you were convicted, it can have an unfortunate impact on your life. In the old days, this wasn’t too much of a problem because it really wasn’t easy to find mugshots. Now, with companies allegedly seeking to extort people into paying to get their images off the web, it has become a serious problem. Those companies may get in trouble if it can be proved that they are working in concert, getting paid to take the picture off one site and then putting it on another. But that is rare. In most cases, the picture is just public data to which there is no right of privacy under the law.

b) The underlying purpose of publicity is to avoid the government charging people and abusing the authority to do so. It was believed that the publicity would help protect people. And it does when you have a country that likes to hide what it is up to. But, it also can cause harm in a modern society like ours, where such things end up on the web and can cause permanent damage. Unfortunately, it is a bit of a catch-22. We have the right to know issues and free speech rights smack up against privacy rights and serious damage of reputation for people who have not been convicted of a crime. The law will no doubt continue to shake out over the next few years as it struggles to catch up with the technology.

This post originally appeared on Quora. Click here to view.

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