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50 Facts About Felines for National Cat Day

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Around 3.4 million cats enter shelters each year, and only 37 percent of them find forever homes. That’s why animal welfare advocates marked October 29th as National Cat Day, an annual day of awareness to promote feline adoption. This Sunday, celebrate Felis silvestris in all its furry glory by brushing up on the 50 bits of trivia below.

1. Cats spend around 30 to 50 percent of their day grooming themselves. This behavior serves several purposes: It helps cats tone down their scent so they can avoid predators, it cools them down, it promotes blood flow, and it distributes natural oils evenly around the coat, allowing them to stay warm and dry. Grooming also serves as a sign of affection between two cats, and it’s thought that saliva contains enzymes that serve as a natural antibiotic for wounds.

2. Just because a cat is purring doesn’t mean it’s happy. Cats often make the sound when they’re content, but they also purr when they’re sick, stressed, hurt, and giving birth.

3. Scientists don’t quite know why cats purr, but one hypothesis is that the sound frequency of purring—between 25 and 150 Hertz—"can improve bone density and promote healing," theorizes Leslie A. Lyons, an assistant professor at the School of Veterinary Medicine at the University of California, Davis, in an article for Scientific American. "Because cats have adapted to conserve energy via long periods of rest and sleep, it is possible that purring is a low energy mechanism that stimulates muscles and bones without a lot of energy."

4. Ever wonder why catnip lulls felines into a trance? The herb contains several chemical compounds, including one called nepetalactone, which a cat detects with receptors in its nose and mouth. The compounds trigger the typical odd behaviors you associate with the wacky kitty weed, including sniffing, head shaking, head rubbing, and rolling around on the ground.

5. More than half of the world’s felines don’t respond to catnip. Scientists still don’t know quite why some kitties go crazy for the aromatic herb and others don’t, but they have figured out that catnip sensitivity is hereditary. If a kitten has one catnip-sensitive parent, there’s a one-in-two chance that it will also grow up to crave the plant. And if both parents react to 'nip, the odds increase to at least three in four.

6. Can’t afford a private eye? A feline might be able do the job for free. In the 1960s, ambassador Henry Helb—who then lived in the Dutch Embassy in Moscow—noticed that his two Siamese kitties were arching their backs and clawing at one of the walls. Helb had a hunch that the cats heard something he couldn’t, and sure enough, he found 30 tiny microphones hidden behind the boards.

Instead of busting the spies, Helb and his staff took advantage of the surveillance and griped about household repairs or packages stuck in customs while standing in front of the mics. The eavesdroppers took care of their complaints—and apart from Helb and his companions, no one was the wiser.

7. Chances are, your cat hates your music—but they might like tunes written by composer David Teie, who partnered with animal scientists to make an album called Music for Cats. Released in 2015, the songs are “based on feline vocal communication and environmental sounds that pique the interest of cats,” Teie’s website states.

8. If you adore felines, you’re in good company: Many of history’s most famous figures—including Florence Nightingale, Pope Paul II, Mark Twain, and the Brontë sisters—all owned, and loved, cats.

9. Still, the title of history’s craziest cat man might go to President Abraham Lincoln. Mary Todd Lincoln was once asked if her husband had any hobbies. Her response? “Cats!”

10. A Kindle isn’t just an e-reader—it’s also a word that’s used to describe a group of kittens born to one mama cat. Meanwhile, a group of full-grown cats is called a clowder.

11. The Guinness World Records doesn’t award the world’s fattest pets since officials don’t want to encourage people to overfeed their pets. But in 2003, a Siamese cat named Katy was a serious contender for the record. Katy, who lived in Asbest, Russia, was given hormones to stop her mating. The treatment had an unintended side effect: It dramatically increased her appetite, and the hungry kitty ballooned to 50 pounds.

12. In 1988, a rich British antique dealer named Ben Rea loved his cat Blackie so much that when he died, he left most of his estate—nearly $13 million—to the lucky (albeit likely indifferent) feline. The money was split among three cat charities, which had been instructed to keep an eye on Rea’s beloved companion. To this day, Blackie holds the Guinness World Record for Wealthiest Cat.

13. As for the world’s oldest living cat, the title belongs to a 30-year-old Siamese named Scooter, who currently lives in Mansfield, Texas with his owner, Gail Floyd.

14. Ever wondered why your cat likes to rhythmically massage you with its paws? Experts haven’t figured out why cats like to knead, but they’ve come up with several possible explanations, one being that your kitty is trying to mark their "territory" (that’s you!) with the scent glands in their paws. And since kittens knead their mama’s belly to stimulate milk production, there’s also a chance that they carry this behavior into adulthood—a phenomenon known as a "neotenic behavior."

15. Looking to elevate your vocabulary? Try using the word "ailurophile" in a casual conversation. It’s a fancy word for "cat lover," and it’s derived from the Greek word for cat, ailouros, and the suffix -phile, meaning "lover." Conversely, the word ailurophobe—a combination of ailouros plus phobe—describes someone who hates cats.

16. In 2015, a 6-by-8.5-foot oil painting billed as the "world’s largest cat painting" sold at auction for more than $820,000. It’s called My Wife's Lovers, and it once belonged to a wealthy philanthropist named Kate Birdsall Johnson. She loved felines so much that she owned dozens (some even say hundreds) of kitties, and commissioned a painter to capture her Turkish Angoras and Persians in their natural element. Since Johnson’s husband called the clowder "my wife’s lovers," the nickname was selected as the artwork’s title.

17. Contrary to popular belief, cats don’t always land on their feet when they fall. But more often than not, all four paws end up touching the ground. Cats have a fantastic sense of balance, so they’re able to tell “up” from down and adjust their bodies accordingly. If they sense they’re plummeting downwards, they twist their flexible backbones mid-air, allowing them to right themselves so they don’t fall splat on their backs. Additionally, cats can spread their legs out to “parachute” through the air, plus they’re also small, light-boned, and covered in thick fur—meaning their fall isn’t going to be as hard as, say, a dog’s.

18. In 2015, America’s most popular cat breed was the Exotic Shorthair—a flat-faced kitty that’s essentially a short-haired version of a Persian cat. The second most beloved breed was the Persian, and Maine Coons ranked at No. 3.

19. The musical Cats is based on a collection of T.S. Eliot poems called Old Possum’s Book of Practical Cats. Published in 1939, it follows the whimsical antics of a group of felines—but the manuscript was originally intended to feature dogs, too. In the end, though, Eliot determined that "dogs don’t seem to lend themselves to verse quite so well, collectively, as cats."

20. On October 18, 1963, French scientists used a rocket to launch the first cat into space. The feline’s name was Félicette, and she made it safely to the ground following a parachute descent.

21. A train station in Southeastern Japan is presided over by an adorable "stationmaster": a 6-year-old calico cat named Nitama. The Kishi train station near Wakayama City hired Nitama in 2015, just a few months after its prior feline mascot, Tama, died from acute heart failure at the age of 16.

22. Even if you’re not allergic to cats, your cat might be allergic to you. One in 200 cats are believed to have asthma—and this number continues to rise among indoor kitties as they're more frequently exposed to cigarette smoke, dust, human dandruff, and pollen.

23. Greyhound dogs are the ones with a bus line named after them, but cats are pretty speedy, too: The average running feline can clock around 30 miles per hour.

24. Nobody quite knows why black cats are considered to be bad luck, but this myth has persisted across Western civilization for centuries. Felines with dark fur first became linked with the Devil during the Middle Ages, and when the Black Death pandemic ravaged Europe in the mid-14th century, superstitious individuals responded by killing off the black cat population. Little did they know that vermin carried the deadly disease and that the rodent-eating cats actually helped curb its spread. And black cats eventually became associated with witches because women accused of practicing black magic tended to adopt alley cats as companions.

25. Black cats are considered to be a bad omen in the U.S., but in Great Britain and Japan, they’re perceived as auspicious. In the English Midlands, new brides are given black cats to bless their marriage, and the Japanese believe that black cats are good luck—particularly for single women. Meanwhile, the Germans believe that a black cat crossing your path from left to right is ominous, but if the feline switches directions and goes right to left, it’s fortuitous.

26. The ancient Egyptians revered cats, and even worshiped a half-feline goddess named Bastet. People who harmed or killed cats faced harsh legal sentences, including the death penalty.

27. The world’s first major cat show was held at London’s Crystal Palace in July 1871. Hundreds of felines (and dozens of breeds) were placed on display, and around 200,000 guests are said to have attended the event.

28. Remember Nyan Cat? The famous viral meme of a gray kitty with a Pop-Tart body who shoots rainbows from its posterior (the internet, folks!) was based on a real-life feline: a Russian Blue named Marty, owned by Nyan cat illustrator Chris Torres.

29. Most cats weigh in the single or low-double digits, but some breeds are truly huge. For instance, Norwegian Forest Cats, Maine Coons, and Ragdolls often range in weight from 15-22 pounds.

30. Long before Keyboard Cat took the internet by storm, inventor Thomas Edison filmed two kitties "boxing" inside a ring. Created in 1894, the brief clip proves that humans have been obsessed with cute cat videos since long before the advent of YouTube.

31. Remember Socks the Cat, the black-and-white tuxedo cat owned by Bill Clinton’s family during his time in the Oval Office? During the early 1990s, Super Nintendo Entertainment System created a video game called Socks the Cat, featuring the First Feline. It was never officially released, and when the game’s publisher shut down, Socks the Cat was lost for years, until video game collector Tom Curtin bought the (reportedly) only existing copy, purchased the rights, and partnered with game publisher Second Dimension to give it a second life. Socks the Cat is slated for an official release in 2017.

32. Some Maine Coon cats are born with six toes.

33. Sphinx cats don’t have fur coats, but their body temperature is still four degrees warmer than a typical feline.

34. Male cats have barbed penises. While painful for the lady cat, they do serve a purpose: The barbs stimulate the vulva, allowing the female to ovulate, and they also keep her from escaping mid-coitus. (Felines are typically loners, and not that into sex.)

35. If you went to college, you’re more likely to have a cat than a dog. In 2010, researchers from the University of Bristol surveyed 3000 people about their pets, geography, and scholastic history. They found that people with university degrees were 1.36 times more likely to own a kitty than other pet owners. This phenomenon might be attributed to the fact that cats are low-maintenance, and therefore better companions for accomplished people with busy careers.

36. Why do cats love to cuddle up in boxes? Animal experts think that the enclosed spaces make felines feel more protected, secure, and important—kind of like they’re back in the womb. (Sure enough, researchers found that when shelter cats are provided with boxes to cuddle up in, they adjust faster and are less stressed than kitties that aren't given boxes.) Also, sleeping in a box might help a feline retain more body heat so it stays nice and toasty, and therefore relaxed.

37. Experts think that cats hate water because it’s uncomfortable to have soggy fur, or because it’s frightening for a kitty to lose control of its buoyancy.

38. While many kitties hate water, not all do. Breeds including the Turkish Van, the Maine Coons, and Bengals are said to enjoy taking a dip every now and then.

39. Cats are genetically predisposed to not being able to taste sweets. They will likely nibble off your plate if it contains meat, but they’ll leave it alone if it’s laden with cake.

40. A cat has 244 bones in its entire body—even more than a human, who only has 206 bones.

41. Nobody knows quite why cats meow, but experts think they might be channeling their inner kitten. Baby cats make the plaintive noises to get their mother’s attention, but as full-grown felines, they don't meow while interacting with other cats. Some experts think that felines use the noises they made as infants with humans to convey their emotions and physical needs.

42. Cats sweat through their paws (and sometimes when they get very hot they pant).

43. According to one estimate, a cat spends nearly two-thirds of its life asleep.

44. The iconic Algonquin Hotel in midtown Manhattan owns a pampered lobby cat named Matilda III. She's one of 11 rescue felines that have lived in the storied institution since the early 1920s.

45. In the 1870s, the city of Liège, Belgium tried to train 37 cats to deliver the mail. Letters were enclosed in waterproof bags tied around the kitties’ necks, but it turns out that cats weren’t great at delivering the goods on time (or to the correct address).

46. Approximately 200 feral cats roam the grounds of Disneyland, where they help control the amusement park’s rodent population. They’re all spayed or neutered, and park staffers provide them with medical care and extra food.

47. The Hungarian word for "quotation marks," macskaköröm, literally translates to "cat claws."

48. Napoleon, Caesar, Genghis Khan, and Hitler are all said to have hated cats.

49. There are an estimated 74 to 96 million pet cats in the U.S. In contrast, there are only an estimated 70 to 80 million dogs.

50. A cat can jump up to five times its height, or six times its length—and make the entire thing look easy.

All images via iStock.

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Big Questions
Why Don't We Eat Turkey Tails?
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Turkey sandwiches. Turkey soup. Roasted turkey. This year, Americans will consume roughly 245 million birds, with 46 million being prepared and presented on Thanksgiving. What we don’t eat will be repurposed into leftovers.

But there’s one part of the turkey that virtually no family will have on their table: the tail.

Despite our country’s obsession with fattening, dissecting, and searing turkeys, we almost inevitably pass up the fat-infused rear portion. According to Michael Carolan, professor of sociology and associate dean for research at the College for Liberal Arts at Colorado State University, that may have something to do with how Americans have traditionally perceived turkeys. Consumption was rare prior to World War II. When the birds were readily available, there was no demand for the tail because it had never been offered in the first place.

"Tails did and do not fit into what has become our culinary fascination with white meat," Carolan tells Mental Floss. "But also from a marketing [and] processor standpoint, if the consumer was just going to throw the tail away, or will not miss it if it was omitted, [suppliers] saw an opportunity to make additional money."

Indeed, the fact that Americans didn't have a taste for tail didn't prevent the poultry industry from moving on. Tails were being routed to Pacific Island consumers in the 1950s. Rich in protein and fat—a turkey tail is really a gland that produces oil used for grooming—suppliers were able to make use of the unwanted portion. And once consumers were exposed to it, they couldn't get enough.

“By 2007,” according to Carolan, “the average Samoan was consuming more than 44 pounds of turkey tails every year.” Perhaps not coincidentally, Samoans also have alarmingly high obesity rates of 75 percent. In an effort to stave off contributing factors, importing tails to the Islands was banned from 2007 until 2013, when it was argued that doing so violated World Trade Organization rules.

With tradition going hand-in-hand with commerce, poultry suppliers don’t really have a reason to try and change domestic consumer appetites for the tails. In preparing his research into the missing treat, Carolan says he had to search high and low before finally finding a source of tails at a Whole Foods that was about to discard them. "[You] can't expect the food to be accepted if people can't even find the piece!"

Unless the meat industry mounts a major campaign to shift American tastes, Thanksgiving will once again be filled with turkeys missing one of their juicier body parts.

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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Animals
10 Juicy Facts About Sea Apples

They're both gorgeous and grotesque. Sea apples, a type of marine invertebrate, have dazzling purple, yellow, and blue color schemes streaking across their bodies. But some of their habits are rather R-rated. Here’s what you should know about these weird little creatures.

1. THEY’RE SEA CUCUMBERS.

The world’s oceans are home to more than 1200 species of sea cucumber. Like sand dollars and starfish, sea cucumbers are echinoderms: brainless, spineless marine animals with skin-covered shells and a complex network of internal hydraulics that enables them to get around. Sea cucumbers can thrive in a range of oceanic habitats, from Arctic depths to tropical reefs. They're a fascinating group with colorful popular names, like the “burnt hot dog sea cucumber” (Holothuria edulis) and the sea pig (Scotoplanes globosa), a scavenger that’s been described as a “living vacuum cleaner.”

2. THEY'RE NATIVE TO THE WESTERN PACIFIC OCEAN.

Sea apples have oval-shaped bodies and belong to the genus Pseudocolochirus and genus Paracacumaria. The animals are indigenous to the western Pacific, where they can be found shuffling across the ocean floor in shallow, coastal waters. Many different types are kept in captivity, but two species, Pseudocolochirus violaceus and Pseudocolochirus axiologus, have proven especially popular with aquarium hobbyists. Both species reside along the coastlines of Australia and Southeast Asia.

3. THEY EAT WITH MUCUS-COVERED TENTACLES.

Sea cucumbers, the ocean's sanitation crew, eat by swallowing plankton, algae, and sandy detritus at one end of their bodies and then expelling clean, fresh sand out their other end. Sea apples use a different technique. A ring of mucus-covered tentacles around a sea apple's mouth snares floating bits of food, popping each bit into its mouth one at a time. In the process, the tentacles are covered with a fresh coat of sticky mucus, and the whole cycle repeats.

4. THEY’RE ACTIVE AT NIGHT.

Sea apples' waving appendages can look delicious to predatory fish, so the echinoderms minimize the risk of attracting unwanted attention by doing most of their feeding at night. When those tentacles aren’t in use, they’re retracted into the body.

5. THE MOVE ON TUBULAR FEET.

The rows of yellow protuberances running along the sides of this specimen are its feet. They allow sea apples to latch onto rocks and other hard surfaces while feeding. And if one of these feet gets severed, it can grow back.

6. SOME FISH HANG OUT IN SEA APPLES' BUTTS.

Sea apples are poisonous, but a few marine freeloaders capitalize on this very quality. Some small fish have evolved to live inside the invertebrates' digestive tracts, mooching off the sea apples' meals and using their bodies for shelter. In a gross twist of evolution, fish gain entry through the back door, an orifice called the cloaca. In addition expelling waste, the cloaca absorbs fresh oxygen, meaning that sea apples/cucumbers essentially breathe through their anuses.

7. WHEN THREATENED, SEA APPLES CAN EXPAND.

Most full-grown adult sea apples are around 3 to 8 inches long, but they can make themselves look twice as big if they need to escape a threat. By pulling extra water into their bodies, some can grow to the size of a volleyball, according to Advanced Aquarist. After puffing up, they can float on the current and away from danger. Some aquarists might mistake the robust display as a sign of optimum health, but it's usually a reaction to stress.

8. THEY CAN EXPEL THEIR OWN GUTS.

Sea apples use their vibrant appearance to broadcast that they’re packing a dangerous toxin. But to really scare off predators, they puke up some of their own innards. When an attacker gets too close, sea apples can expel various organs through their orifices, and some simultaneously unleash a cloud of the poison holothurin. In an aquarium, the holothurin doesn’t disperse as widely as it would in the sea, and it's been known to wipe out entire fish tanks.

9. SEA APPLES LAY TOXIC EGGS.

These invertebrates reproduce sexually; females release eggs that are later fertilized by clouds of sperm emitted by the males. As many saltwater aquarium keepers know all too well, sea apple eggs are not suitable fish snacks—because they’re poisonous. Scientists have observed that, in Pseudocolochirus violaceus at least, the eggs develop into small, barrel-shaped larvae within two weeks of fertilization.

10. THEY'RE NOT EASILY CONFUSED WITH THIS TREE SPECIES.

Syzgium grande is a coastal tree native to Southeast Asia whose informal name is "sea apple." When fully grown, they can stand more than 140 feet tall. Once a year, it produces attractive clusters of fuzzy white flowers and round green fruits, perhaps prompting its comparison to an apple tree.

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