A mouthful of facts

What does the tongue say about you? 12 clues hidden in our mouth!

Image: Clem Onojeghuo

Our mouths do so much more than help us chat, chew, and chuckle. This hardworking part of the body is home to a whole host of weird, wonderful, and sometimes wacky facts. From surprising saliva stats to your teeth’s secret life, a lot is going on behind your smile. And the best part? You don’t need a medical degree to appreciate these bite-sized bits of trivia. Let’s sink our teeth into some fascinating mouth facts!

Image: Nick Fewings

Taste buds are important, but without saliva, your taste buds wouldn't be able to detect much of anything. Saliva helps break down food particles and dissolve the chemicals that make up flavors, sending them to your taste receptors. That’s why food tastes bland when you're dehydrated. Hydration equals better flavor!

Image: Joey Nicotra

Believe it or not, the inside of your mouth is teeming with life. Wanna hear the numbers? Around 8 billion bacteria live there! That’s roughly the population of the entire planet, all crammed into your smile.

Most of these microbes are harmless, and some are even helpful. But when they get out of balance, that’s when things like cavities and gum disease can set in. Brushing and flossing aren’t just cosmetic, they help keep the peace in this microscopic community.

Image: Diana Polekhina

This might surprise you, but skipping floss can affect more than just your gums. Studies have shown a strong link between poor oral health and major diseases like heart disease, diabetes, and even osteoporosis.

Inflammation from gum disease may contribute to problems in other parts of your body. Your mouth is like a window into your overall health, and red flags here could signal trouble elsewhere. Keep the dental checkups going! Your whole body benefits when your mouth is in top shape.

Image: Brian Matangelo

Taking a dip in the pool is refreshing, but make sure you keep your mouth closed. Chlorine, used to disinfect pool water, can be tough on your teeth.

Frequent exposure may weaken enamel and lead to increased tooth sensitivity. That means swimmers, especially those doing laps daily, should be extra cautious. If you’re one of them, just know rinsing with clean water after a swim can help wash away any residue.

Image: Caroline LM

Plaque isn’t just a little fuzzy feeling on your teeth, it’s a mix of bacteria, food particles, and saliva. If left alone, it hardens into tartar, which only a dentist can remove.

Plaque is the main cause of gum disease and cavities. Brushing twice a day and flossing help kick it to the curb. Mouthwash can give an extra layer of protection, too.

Image: Fernanda Greppe

Of all the muscles in your body, the tongue is the only one that doesn’t need skeletal support to do its job. It’s a muscular marvel that helps with speaking, swallowing, and tasting. Despite its flexibility, it’s incredibly strong for its size.

Plus, no two tongues are the same; each has a unique print, just like fingerprints. Bet you didn’t know your tongue was such a multitasker!

Image: Kamal Hoseinianzade

You might only see the top two-thirds of your teeth, but the rest is hiding below the gumline. That hidden portion includes the roots, which anchor your teeth in place. Healthy gums are essential for keeping this foundation strong.

Gum disease can cause that support to weaken, leading to tooth loss over time. So yes, we said it one too many times, but flossing is about way more than fresh breath. A deep clean leads to a deep-rooted smile.

Image: Na visky

Green tea is full of powerful antioxidants and natural antibacterial agents. These can help reduce inflammation in your gums and keep harmful bacteria at bay. Studies suggest it may even lower your risk of periodontal disease.

Unlike sugary drinks, it doesn’t feed the bacteria that cause decay. And it’s a pretty soothing way to wind down after a meal. Swap one of your daily cups of joe for green tea, and your mouth will thank you.

Image: kazuend

You’ve got about 10,000 taste buds scattered around your mouth, but most live on your tongue. They detect sweet, salty, sour, bitter, and umami flavors, working together like a culinary orchestra.

Now, here’s the fascinating fact: Taste buds regenerate every 10 to 14 days, so you’re always getting a fresh batch. However, aging, smoking, and illness can dull your sense of taste over time.

Image: Lesly Juarez

Just like fingerprints, no two people have the exact same set of teeth. Their size, shape, alignment, and even bite pattern are all uniquely yours. That’s why dental records are so helpful in forensics.

Your teeth are part of your identity, and once you lose them, they don’t grow back. Protecting them is a lifelong investment!

Image: LexScope

Get ready for this one: The average person produces over 37,000 liters of saliva in a lifetime. That’s enough to fill two entire swimming pools!

Saliva plays a vital role in digestion, taste, and keeping your mouth clean. It helps neutralize acids and wash away food particles, protecting against decay. Without it, your mouth would be a desert. Yes, this fact was kind of gross, but equally helpful!

Image: Nik

Over the course of a lifetime, the average person spends 38.5 days brushing their teeth. That’s more than a month with nothing but you, your toothbrush, and the mirror.

It may sound like a lot, but your smile’s worth every second, don’t you think? Regular brushing keeps plaque away, prevents bad breath, and saves you from future dental bills. Just keep brushing, you’re doing mouth maintenance like a pro!

Fantasy worlds

From Oz to Wonderland: 10 of the strangest worlds authors ever dreamed up

Image: Artem Sapegin

Fiction has given us worlds beyond comprehension—realms where logic collapses, physics defies expectation, and imagination reigns supreme. From cities in the sky to entire worlds beneath our own, some of these fictional places have captivated us since their creation. Join us on a fantastical journey through some of the quirkiest and most head-scratching of these imagined worlds.

Image: Alex Muromtsev

Lewis Carroll’s 1865 Alice’s Adventures in Wonderland conjured a world where words, rules, and even size lose all meaning. Time halts at tea parties, cats vanish mid-sentence, and logic itself becomes nonsense.

Carroll, a mathematician and Oxford don, infused what at first glance seems like just a children’s story with riddles, puns, and complex paradoxes. The book’s wordplay critiques Victorian social norms while subtly introducing mathematical and logical concepts.

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A technicolor realm of talking animals, magical shoes, and wicked witches, L. Frank Baum’s 1900 classic The Wonderful Wizard of Oz reshaped children’s literature forever. Baum’s storytelling introduced a vivid fantasy world filled with unique characters, whimsical landscapes, and moral lessons that appealed to both children and adults.

Characters like the Tin Man and the Cowardly Lion have become iconic figures in American popular culture for generations. The 1939 MGM film starring Judy Garland cemented the book’s imagery, leaving an enduring influence on film, theater, and the broader cultural imagination.

Image: Andrew Sharples

An island where no one grows up and pirates battle endlessly, J.M. Barrie’s Peter Pan debuted in 1904 and quickly became a lasting symbol of escapism. Barrie first introduced the character in a 1902 play before expanding the story into his 1911 novel, embedding themes of adventure, imagination, and the tension between childhood and adulthood.

Psychologists and literary scholars often reference Neverland as an allegory for arrested development, representing the desire to remain permanently in a state of innocence and freedom.

Image: Hari Nandakumar

A wardrobe that opens to another world, talking lions, and epic battles of good versus evil—C.S. Lewis’s The Chronicles of Narnia (first published in 1950) created a richly imagined fantasy universe.

Drawing on Christian allegory, classical mythology, and his own experiences in World War I, Lewis crafted seven novels that explore courage, faith, and moral growth through fantastical adventures. The series has had a profound cultural impact, inspiring stage adaptations, radio dramas, films, and countless illustrated editions.

Image: Etienne Desclides

A floating island of science, invention, and eccentric rulers, Laputa appears in Jonathan Swift’s 1726 Gulliver’s Travels. The island hovers in the sky, controlled by magnets, and is inhabited by scholars obsessed with abstract mathematics, music, and astronomy—often to the detriment of practical life below.

Swift, a master of satire, used Laputa to lampoon the scientific and political elite of his time, highlighting their detachment from practical, everyday concerns. Its striking imagery has also had a lasting impact on the depiction of futuristic societies and utopian civilizations.

Image: Andres Iga

Rolling hills, cozy hobbit holes, and a peaceful, pastoral life—J.R.R. Tolkien’s Shire, introduced in The Hobbit (1937) and The Lord of the Rings (1954–55), embodies an idyllic, pre-industrial England beneath the veneer of a fantasy world.

Tolkien, a scholar of languages and mythology, infused the Shire with intricate customs, poetry, and festivals, aiming to create a mythology for England that he felt was missing—one that celebrated simplicity, community, and harmony with nature.

Image: Derek Owens

A hidden plateau where dinosaurs and prehistoric creatures survive, Arthur Conan Doyle’s 1912 novel The Lost World introduced readers to a thrilling world untouched by time. Doyle’s story follows Professor Challenger and his expedition as they encounter giant reptiles, ape-men, and other wonders on a remote South American plateau, blending adventure with early paleontological speculation.

Doyle was likely inspired by Mount Roraima, a flat-topped plateau in South America’s Guiana Highlands. Its sheer cliffs, isolated ecosystem, and mysterious cloud-covered summit provided a tangible model for the novel’s prehistoric world.

Image: Mikhail Preobrazhenskiy

A legendary sunken city, Atlantis was first described by Plato in his dialogues around 360 BCE. According to Plato, Atlantis was a powerful and advanced civilization that sank beneath the ocean in a single day and night of catastrophic events, serving as a cautionary tale about hubris and moral decline.

Despite its origin as a philosophical example, many scholars believe Atlantis was inspired by the real-life Minoan civilization on Crete. The Minoans were an advanced maritime society whose cities, such as Knossos, were eventually devastated by natural disasters, including the volcanic eruption of Thera (Santorini) and subsequent tsunamis.

Image: Yoshihiro

A hollow Earth filled with prehistoric creatures and lost civilizations, Edgar Rice Burroughs’s Pellucidar (1914) imagines a world at the center of the planet, lit by an eternal inner sun. The series follows David Innes and his adventures among tribes of humans, dinosaurs, and other strange beings, blending swashbuckling action with imaginative geography.

Burroughs drew inspiration from the era’s fascination with unexplored frontiers and the Hollow Earth theories popular in the 19th century. Pellucidar has influenced later science fiction and adventure literature, inspiring works that explore hidden worlds and isolated ecosystems.

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A mysterious Scottish village that appears for only one day every hundred years, the legend of Brigadoon draws on deep-rooted folklore from the Scottish Highlands. The tale likely originates from myths of fairy-haunted glens and hidden villages, where magic protected communities from outsiders and the passage of time.

Such stories often emphasized the danger and allure of the supernatural, reflecting local beliefs about enchanted landscapes and the thin boundary between the human and fairy worlds.