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Why Do Olympians Wear That Colorful Tape?

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You may have first noticed the markings on the synchronized swimmers' backs. Or cascading down a beach volleyball player's chiseled abs. Birthmarks? Accessories? A bizarre form of intimidation? No, no, and no. The answer is Kinesio tape. And, yes, it's all the rage in the sports world.

So, what is this tricked-out injury treatment?

It's a heavily adhesive, hypoallergenic, stretchy tape that comes, as we have seen, in an array of colors and patterns. It is designed to approximate the weight and thickness of skin and can be stretched over any part of the body. Made of cotton fiber, the tape has an acrylic, heat-activated backing and can stay attached for up to five days. When adhered, the tape lifts the upper layers of the skin away from the muscle, relieving pressure and pain in the affected area.

While the tape was developed by Dr. Kenzo Kase in the mid-1970s, it first started cropping up on a body part here or there during the Beijing Olympics in 2008. But that was enough to spark an interest and, following the summer games, sales of the tape jumped a reported 300 percent. Now, clearly, it has taken the athletic world by storm.

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But if you, lay-athletic person, were hoping to jump on the Kinesio bandwagon, you may have to sit tight, because not just anyone can slap on the tape. To do it properly, you need to use a particular technique that requires training.

DOES IT WORK?

The research is slim, and some scientists are dubious. According to Reuters, a 2012 report in the journal Sports Medicine found "little quality evidence to support the use of Kinesio tape over other types of elastic taping in the management or prevention of sports injuries." But Kevin Anderson, director of Kinesio UK, says the research just needs time to catch up to the sports phenomenon.

"There's nothing magical in the tape," Anderson told Reuters, "it certainly can't improve your performance or make you Superman," but he says it does help relieve pain and swelling for the athletes.

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German beach volleyball player Sara Goller, who wore hot pink tape throughout the 2012 London Games, says the color is nice, but its purpose is what matters. "It can release or put tension on a muscle, it depends on what you want," she told Reuters.

Lindon, Utah-based brand KT Tape is the official Kinesiology tape licensee of the U.S. Olympic team and counts Kerri Walsh Jennings, James Harden, and Kerri Strug among its fans.

Even if the tape doesn't actually do anything beneficial, physically, it can give athletes a boost of confidence, simply because they think it is working wonders on their battered bodies. And in such high-stakes, high-pressure situations like the Olympic Games, the slightest form of encouragement is sometimes all you need.

This post originally appeared in 2012.

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Why Does the Queen Have Two Birthdays?
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CHRIS JACKSON, AFP/Getty Images

On April 21, Her Majesty Queen Elizabeth II will turn 92 years old. To mark the occasion, there are usually a series of gun salutes around London: a 41 gun salute in Hyde Park, a 21 gun salute in Windsor Great Park, and a 62 gun salute at the Tower of London. For the most part, the monarch celebrates her big day privately. But on June 9, 2018, Her Majesty will parade through London as part of an opulent birthday celebration known as Trooping the Colour.

Queen Elizabeth, like many British monarchs before her, has two birthdays: the actual anniversary of the day she was born, and a separate day that is labeled her "official" birthday (usually the second Saturday in June). Why? Because April 21 is usually too cold for a proper parade.

The tradition started in 1748, with King George II, who had the misfortune of being born in chilly November. Rather than have his subjects risk catching colds, he combined his birthday celebration with the Trooping the Colour.

The parade itself had been part of British culture for almost a century by that time. At first it was strictly a military event, at which regiments displayed their flags—or "colours"—so that soldiers could familiarize themselves. But George was known as a formidable general after having led troops at the Battle of Dettingen in 1743, so the military celebration seemed a fitting occasion onto which to graft his warm-weather birthday. Edward VII, who also had a November birthday, was the first to standardize the June Trooping the Colour and launched a tradition of a monarchical review of the troops that drew crowds of onlookers.

Even now, the date of the "official" birthday varies year to year. For the first seven years of her reign, Elizabeth II held her official birthday on a Thursday but has since switched over to Saturdays. And while the date is tied to the Trooping the Colour in the UK, Commonwealth nations around the world have their own criteria, which generally involve recognizing it as a public holiday.

Australia started recognizing an official birthday back in 1788, and all the provinces (save one) observe the Queen's Birthday on the second Monday in June, with Western Australia holding its celebrations on the last Monday of September or the first Monday of October.

In Canada, the official birthday has been set to align with the actual birth date of Queen Victoria—May 24, 1819—since 1845, and as such they celebrate so-called Victoria Day on May 24 or the Monday before.

In New Zealand, it's the first Monday in June, and in the Falkland Islands the actual day of the Queen's birth is celebrated publicly.

All in all, just another reason it's great to be Queen.

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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What Is the Meaning Behind "420"?
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Whether or not you’re a marijuana enthusiast, you’re probably aware that today is an unofficial holiday for those who are. April 20—4/20—is a day when pot smokers around the world come together to, well, smoke pot. Others use the day to push for legalization, holding marches and rallies.

But why the code 420? There are a lot of theories as to why that particular number was chosen, but most of them are wrong. You may have heard that 420 is police code for possession, or maybe it’s the penal code for marijuana use. Both are false. There is a California Senate Bill 420 that refers to the use of medical marijuana, but the bill was named for the code, not the other way around.

As far as anyone can tell, the phrase started with a bunch of high school students. Back in 1971, a group of kids at San Rafael High School in San Rafael, California, got in the habit of meeting at 4:20 to smoke after school. When they’d see each other in the hallways during the day, their shorthand was “420 Louis,” meaning, “Let’s meet at the Louis Pasteur statue at 4:20 to smoke.”

Somehow, the phrase caught on—and when the Grateful Dead eventually picked it up, "420" spread through the greater community like wildfire. What began as a silly code passed between classes is now a worldwide event for smokers and legalization activists everywhere—not a bad accomplishment for a bunch of high school stoners.

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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