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25 World Facts You Didn’t Know You Wanted to Know

Impress your friends with these nuggets of knowledge.

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Man with backpack walking away alone at sandy beach in mountains Travel lifestyle concept adventure outdoor summer vacations in Norway wild nature everst/Shutterstock

Who knew!

It’s a big world out there, and there’s a lot to know. Of course, most of us don’t have the time to sit around and read all day, absorbing all the information that’s out there. That’s why we’ve created a shortcut for you: a list of 25 of some of the most interesting world facts.

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Happy baby boy in a crib. Cropped hands of mother tickling son lying on bed at home.Artem Varnitsin/Shutterstock

Why we can’t tickle ourselves

Even if you’re incredibly ticklish, you may have noticed that tickling yourself doesn’t actually work. So why is that? According to research out of University College London, when we try to tickle ourselves, a part of our brain called the cerebellum predicts the sensation. That prediction cancels the response of other brain areas to the tickle.

Learn the science behind more quirky body reactions.

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Globe model on dark wooden desk. White wall empty space background.Mykolastock/Shutterstock

Earth isn’t perfectly round

Time for some literal world facts: Earth’s radius at the equator is 6,378 km, according to NASA’s Goddard Space Flight Centre. But if you think the Earth is perfectly round, think again. Because of our planet’s rotation, there is a slight bulge at the equator. In fact, Earth’s polar radius is 6,356 km, which is a difference of 22 km. If the planet were a perfect sphere, that difference wouldn’t exist.

While we’re on the subject, check out the everyday items that were invented by NASA.

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newborn baby girlNatalia Deriabina/Shutterstock

Female babies are born with all the eggs they’ll ever have

Babies that are born with a uterus and ovaries actually developed all the eggs they’re ever going to have while they were forming in utero, according to the Cleveland Clinic. They start losing eggs before they’re even born: fetuses have between six and seven million eggs; after birth, babies are left with around one million. Once puberty starts, the girl will have around 300,000 eggs.

We’ve rounded up the most popular baby names ever!

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An Art Deco period toilet with porcelain and brass flush handle and vintage subway tilesAugusten Burroughs/Shutterstock

The flush toilet was invented in 1596

Though we think of flush toilets as a pretty modern convenience, the first version of it was actually invented back in 1596 by Queen Elizabeth I’s godson. It required seven-and-a-half gallons of water to flush—which is a lot when you consider today’s toilets require an average of 1.6 gallons—but on the other hand, up to 20 people could use it between flushes. But this version of the flush toilet didn’t really catch on. According to Smithsonian Magazine, they didn’t take off until 1851.

When was the last time you used one of these obsolete inventions?

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narniaPhil Bray/Walt Disney/Walden Media/Kobal/Shutterstock

Narnia is based on a real-life place

Believe it or not, the fictional location of Narnia, from C.S. Lewis’s Chronicles of Narnia book series, is based on a real place. According to the World Atlas (which, not surprisingly, is full of world facts), Narnia was a town that existed more than 2,000 years ago on the Italian peninsula, approximately 80 kilometres away from Rome.

Can you answer these real Jeopardy! questions about geography?

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Morshansk city. Spring aerial view. Russia. Trinity Cathedral. River tsna, noiseCrazy nook/Shutterstock

Russia is the largest country in the world

Out of all the countries in the world, Russia is the largest in size, coming in at 17.1 million square kilometres, according to the World Atlas. In fact, it’s so massive that even if it lost seven million square kilometres of territory, it would still be the biggest country. Interestingly, not a single one of the world’s most populated cities are in Russia!

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mogadishu somaliaMDOGAN/Shutterstock

Somalia is perceived to be the most corrupt country

When it comes to levels of corruption, not all governments are created equal. So an organization called Transparency International publishes a list each year of the countries that are perceived to be the most corrupt in the world. The most recent data is from 2018 when Somalia was rated the country with the most perceived corruption in the world.

On the other hand, these are the countries that are safer than you think.

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the rungrado 1st of may stadiumSipa Asia/Shutterstock

The largest stadium in the world is in North Korea

There are some massive sports stadiums, but one is the biggest of them all. It’s called the Rungrado 1st of May Stadium, and it’s located in North Korea. It has a capacity of 114,000 people and hosts football games as well as a festival called Arirang comprised of gymnastics and artistic games.

Check out these popular observation decks with terrifying views!

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travel to Paris, Europe tour, woman with suitcase near Eiffel Tower, FranceSong_about_summer/Shutterstock

France is the most-visited country in the world

Turns out, no one can really forget Paris: it is the most-visited city in the world. In fact, France receives around 89 million visitors each year, according to the World Atlas. Nearly 10 per cent of the country’s GDP comes from tourism, so it’s big business over there. Having 37 UNESCO World Heritage sites definitely doesn’t hurt!

Take the road less travelled and visit these underrated cities in Europe.

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rack of blood tubes with barcode labels for proper identification and background hand of laboratory technician holding a blood tube for scan / Tray with tubes with blood samples labeledangellodeco/Shutterstock

O-positive is the most common blood type

Do you know your blood type? It’s handy (and important) information to know and will let you know if you fall into a category with plenty of other people, or have a type that is rarer. According to the American Red Cross, there are eight common blood types: A+, A-, B+, B-, O+, O-, AB+, and AB-. The most common of these, O+, can be found in 38.67 per cent of the world’s population. Yes, some world facts can save lives.

Next, discover the world’s rarest blood type.

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Vatican City, Rome, Saint Peter's Basilica in St. Peter's SquareCalin Stan/Shutterstock

Vatican City is the smallest country in the world

Strangely, the smallest country in the world is located within a major city. That city is Rome, and the country is Vatican City, also known as the Holy See. Coming in at 0.44 square kilometres, it’s tiny but massively wealthy. In fact, the Vatican is home to countless priceless works of art, like the Pieta and the Creation of Adam, not to mention St. Peter’s Basilica.

Find out about the tiny countries you never knew existed.

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A female Tufted Coquette feeds on a purple Vervain flower in a tropical garden.Chelsea Sampson/Shutterstock

A species of hummingbird lays the smallest bird egg

Hummingbirds are the lightest birds in the world, weighing in at around 0.07 ounces, so it makes sense that they lay the smallest eggs. But the title of the absolute smallest egg in the world fluctuates between two different types of hummingbirds: the bee hummingbird and the Vervain hummingbird. The smallest egg on record, according to the Guinness Book of World Records was 10 mm long and weighed only 0.365 grams and came from a Vervain hummingbird.

On the opposite end of the spectrum, here are the biggest living animals in the world.

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Cricketer on the field in

Cricket is the second most popular sport in the world

You probably already guessed that soccer—known outside of Canada as football—is the most popular sport in the world. But you may not know that cricket is in the number-two spot. The sport has a 2.5 billion person estimated global following and is biggest in the United Kingdom and Commonwealth countries.

Check out these hilarious soccer phrases from around the world.

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Fruit BatsJeffrey Paul Wade/Shutterstock

Bats argue a lot

It’s no secret that animals communicate with each other all the time. But when scientists recorded and translated the communication between Egyptian fruit bats, it turns out that they weren’t just having a conversation: they were full-on arguing with each other. Sometimes the bats argued about food, while other times their disagreements centred on sleeping arrangements.

Find out how scientists are trying to save bats from extinction.

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A springtime image taken on the trail leading to the open doors of a big red barn on a sunny day.glenda/Shutterstock

Barns are painted red because of dying stars

You’ve probably noticed that when it comes to barns, the most popular colour is red. Yes, that’s because red paint is cheap, but there’s another far more surprising reason. According to Smithsonian Magazine, red paint is so inexpensive because red ochre (Fe2O3)—which gives it its colour—is a byproduct of nuclear fusion in dying stars.

Here are more mind-blowing facts you didn’t learn in school.

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Happy young woman hula hooping in her living room.Erickson Stock/Shutterstock

25 million Hula-Hoops were sold in their first four months of production

Hula-Hoops were first marketed in 1957 by Arthur “Spud” Melin, the co-founder of a company called Wham-O, and were an instant success. In fact, 25 million Hula-Hoops were sold during their first four months of production. And though they’re considered a fad, you can still find the classic toy in basements and garages everywhere.

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Woman's hands holding a cupfedels/Shutterstock

Hair and fingernails actually do not continue to grow after death

There is a commonly held myth that a human body’s hair and fingernails continue to grow after death. While it’s understandable why people think this—the hair and fingernails of corpses do appear longer after a person has been dead a while—they’re actually not growing. Instead, the skin around the scalp and fingers begins to recede, giving the illusion of growth, according to the University of Arkansas for Medical Sciences.

Did you know you can still find signs of evolution on your body?

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unclaimed baggage alabamaDan Callister/Shutterstock

Your long-lost baggage may be in Alabama

Having an airline lose your luggage is one of the most annoying parts of travel. But most of the time, we get the lost baggage back, safe and sound. But in other situations—when the bags are unmarked and remain unclaimed—they are sent to Scottsboro, Alabama, where they are sold at the Unclaimed Baggage Centre. According to Quartz, the 40,000 square foot retail space stocks around 6,000 items daily, with around 85 per cent coming from lost luggage.

Take a look inside the $8 billion airport that’s been abandoned for seven years!

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Listerine invented the concept of halitosis

Bad breath has always existed—especially before brushing your teeth became the norm. But the concept of “halitosis,” the alleged medical condition of having foul breath—was utilized by the Listerine company in the 1920s to sell the product as mouthwash. Previous to that, Listerine was marketed as a general household cleaner, good for everything from washing the floors to cleaning your feet to treating gonorrhea, according to Smithsonian Magazine.

Check out these surprising things invented in Canada!

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wright brothers with sister KatharineJohn Lent/AP/Shutterstock

You probably wouldn’t have heard of the Wright Brothers without their sister Katharine

The Wright Brothers weren’t the only aviation pioneers—we just know about them today thanks to their in-family publicist: their sister Katharine. She graduated from Oberlin University in Ohio in 1898, then began working as a teacher the following year, at the same time her brothers started their experiments with aviation. Then, in addition to running the Wright household, she acted as her shy brothers’ manager—making sure they not only made the news but that the facts about them were accurate.

Brush up on your trivia with these airplane facts!

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luxury vintage bathtub in a bathroomabd/Shutterstock

The prototype for a modern bathtub was made from an animal trough

Though people have been bathing for centuries, the modern bathtub as we know it started off as an animal trough. In 1873, John Michael Kohler took a cast-iron water trough, added four feet and covered it in enamel, creating the type of bathtub we’re used to seeing in homes. According to Kohler company lore, the first bathtub was sold to a local farmer for one cow and 14 chickens.

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Building of Congress and the fountain in Buenos Aires, ArgentinaEvgeniya Uvarova/Shutterstock

Buenos Aires has the highest percentage of people in therapy per capita

Though New York City has a reputation of everyone having a shrink, Argentina actually has the highest percentage of people in therapy per capita. There are around 198 psychologists per 100,000 inhabitants, with an estimated 46 per cent located in the capital of Buenos Aires. Though many types of therapy are available in the country, the most common and popular is psychoanalysis.

If your travel motto is go big or stay home, you should plan a visit to these record-holding destinations around the world.

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View at young woman exercising outsideGoran Bogicevic/Shutterstock

You need to burn 7,000 calories to lose one pound of fat

If you’ve ever read a food label and wondered what would take to burn off the calories from a bag of chips or package of cookies, we have an answer. In order to lose one pound of fat, you’d need to burn 7,000 calories. Of course, every body is different, but the long-held belief that 3,500 calories equal one pound of fat is inaccurate.

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An observation deck with a very old jungle forest and blue sea. Cetti Bay, GuamCoca coco/Shutterstock

Guam eats the most Spam in the world, per capita

If you grew up eating Spam—or still enjoy the canned meat today—you may wonder where it’s most popular. Though Hawaii consumes the most Spam in the United States, the Pacific island of Guam eats the most of the stuff per capita in the world. The former U.S. military outpost saw most American servicepeople leave after World War II, but the beloved SPAM imported for the soldiers remained popular with locals. Today, people in Guam eat more than 16 cans of Spam per person, per year—more than anywhere else.

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Teenagers at a fire pit eating take-away pizzas, close upMonkey Business Images/Shutterstock

The concept of the teenager is pretty new

For most of history, people fit into two categories: children or adults. Of course, some things, like child labor, blurred those lines, but overall, children were children until they got married in their late teens. That is, until the 1920s, when the concept of the “teenager” was born. One reason for this is that the invention of the automobile allowed for teens to gain more independence at an earlier age, prior to marriage.

Read on to learn these fascinating facts about America.

Reader's Digest
Originally Published on Reader's Digest