7 Fast Facts About Animal Farting

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iStock

Anyone who’s had a pet can testify that dogs and cats occasionally get gassy, letting rip noxious farts and then innocently looking up as if to say “Who, me?” You may not have considered the full breadth of animal life passing gas in the world, though—and not just mammals. In a new book, ecologist Nick Caruso and zoologist Dani Rabaiotti detail the farting habits (or lack thereof) of 80 different animals. Here are seven weird animal farting facts we learned from Does It Fart?.

1. FOR ONE FISH, FARTING IS AN EMERGENCY.

A black-and-white illustration of a fish floating upside down on the surface of the water
Ethan Kocak

The diet of the Bolson pupfish, a freshwater fish found in northern Mexico, can lead to dangerous levels of gas. The pupfish feeds on algae, and it can inadvertently eat the gas bubbles that algae produces in warm temperatures. The air inflates the fish’s intestines and distends its belly, messing with its equilibrium and making it difficult to swim. Even if it tries to bury itself in sediment at the bottom of a pool, as Bolson pupfish are wont to do, the air causes the fish to rise to the surface, where it’s at risk of being eaten by a bird. If the fish doesn’t fart, it will likely die, either from predation or because its intestines rupture under the pressure of the trapped gas.

2. MANATEES USE FARTS AS A SWIMMING TECHNIQUE.

The Bolson pupfish isn't the only animal that needs healthy farts to maneuver underwater. Buoyancy is vital for swimming manatees, and they rely on digestive gas to keep them afloat. The West Indian manatee has pouches in its intestines where it can store farty gasses. When they have a lot of gas stored up, they’re naturally more buoyant, floating to the surface of the water. When they fart out that gas, they sink. Unfortunately, that means that a manatee’s ability to fart is vital to its well-being. When a manatee is constipated and can’t pass gas properly, it can lose the ability to swim properly and end up floating around with its tail above its head.

3. TERMITE FARTS ARE A SIGNIFICANT SOURCE OF GLOBAL EMISSIONS.

A black-and-white illustration of a termite farting
Ethan Kocak

They’re not as bad as cars or cows, but termites fart a lot, and because they are so numerous, that results in a lot of methane. Each termite only lets rip about half a microgram of methane gas a day, but every termite colony is made up of millions of individuals, and termites live all over the world. All told, the insects produce somewhere between 5 and 19 percent of global methane emissions per year.

4. FERRETS ARE SURPRISED BY THEIR OWN FARTS.

Ferrets are quite the fart machines. They not only let ‘em rip while pooping—which they do every few hours on a normal day—but they get particularly gassy when they’re stressed. The pungent smells are often news to their creators, though. According to the book, “owners often report a confused look on their pet’s face in the direction of their backside after they audibly pass gas.” And you don't want your ferret to get really scared: Their fear response involves screaming, puffing up, and simultaneous farting and pooping.

5. A BEADED LACEWING’S FARTS CAN BE DEADLY.

A black-and-white illustration of a beaded lacewing standing triumphantly over a prone termite
Ethan Kocak

A winged insect known as the beaded lacewing carries a powerful weapon within its butt, what Caruso and Rabaiotti call “one of the very few genuinely fatal farts known to science.” As a hunting strategy, Lomamyia latipennis larvae release a potent fart containing the chemical allomone, paralyzing and killing their termite prey.

6. WHALE FARTS MAKE QUITE THE SPLASH.

A black-and-white illustration of a whale farting above water while a woman on a boat speeds behind it
Ethan Kocak

As befits their size, whales produce some of biggest farts on the planet. A blue whale’s digestive system can hold up to a ton of food in its multiple stomach chambers, and there are plenty of bacteria in that system waiting to break that food down. This, of course, leads to farts. While not many whale farts have been caught on camera, scientists have witnessed them—and report them to be “incredibly pungent,” as Rabaiotti and Caruso tell it.

7. NOT ALL ANIMALS FART.

Octopuses don’t fart, nor do other sea creatures like soft-shell clams or sea anemones. Birds don’t, either. Meanwhile, sloths may be the only mammal that doesn’t fart, according to the book (although the case for bat farts is pretty tenuous). Having a belly full of trapped gas is dangerous for a sloth. If things are working normally, the methane produced by their gut bacteria is absorbed into their bloodstream and eventually breathed out.

The woodlouse has an odd way of getting rid of gas, too, though it’s technically not flatulence. Instead of peeing, woodlice excrete ammonia through their exoskeleton, with bursts of these full-body “farts” lasting up to an hour at a time.

The cover of 'Does It Fart?'
Hachette Books

Does It Fart? is available for $15 from Amazon or Barnes & Noble.

7 Human Body Parts That Were Once Used as Medicine

A 2300-year-old mummy from Egypt's Saqqara Pyramids complex
A 2300-year-old mummy from Egypt's Saqqara Pyramids complex
AFP/Getty Images

For hundreds of years, from at least the Renaissance through the Victorian era, medicine in England, Italy, France, and other European countries routinely involved the use of the dead human body. Bones, brains, blood, and more were believed to be able to cure everything from gout to epilepsy, thanks to the life-giving spirit imparted by the deceased. Although today the use of corpses is still an integral part of our healthcare—from tissue transplants to blood transfusions—the bulk of the practice of "medical cannibalism" has, thankfully, died out.

1. ANY PART OF A MUMMY

Arguably the most popular and the most difficult to find of the bunch, mummy was considered practically a panacea during the golden age of corpse medicine in the 16th and 17th centuries. Brought back from plundered Egyptian tombs, it was added to tinctures or plasters used to combat bleeding, venomous bites, bruising, and joint pain. Unfortunately, demand far outweighed the ill-gotten supply, and clever entrepreneurs cashed in on the craze by preparing fake mummies from the bodies of lepers, beggars, and even camels.

2. SKULLS

A 1633 image of skull moss from "The herball or, generall historie of plantes" by John Gerarde
A 1633 image of skull moss from The herball or, generall historie of plantes by John Gerarde

If powdered corpse was powerful, powdered corpse with chocolate was doubly so—at least according to Thomas Willis, a 17th-century scientist who combined skulls and cocoa in a cure for bleeding. Human skulls were also soaked in alcohol, creating a tincture called “the King’s drops,” since King Charles II of England allegedly paid £6000 for a personal recipe. The tincture was said to be good for gout, dropsy (edema), and "all fevers putrid or pestilential," among other ailments.

Nosebleeds and epilepsy were also treated with a powder made from moss growing on human skulls. Richard Sugg, the author of Mummies, Cannibals and Vampires: The History of Corpse Medicine from the Renaissance to the Victorians, says that this cure actually did work—but only because powder stimulated coagulation.

3. BRAINS

A photolithograph of brains of dissected heads, after a 1543 woodcut
A photolithograph of brains of dissected heads, after a 1543 woodcut

Brains were also used to cure epilepsy. Physician John French describes the process for making a tincture of brains in his 1651 book The Art of Distillation: “[T]ake the brains of a young man that hath died a violent death,” mash in a stone mortar, steep in wine, and “digest it half a year in horse dung” before distilling.

This remedy was supposed to work under the "like cures like" theory of medicine popular at the time, in which skulls and brains were seen as especially useful for curing illnesses thought to stem from the head. Cures taken from corpses that had died horribly were often thought to be extra powerful, because violence was seen to somehow concentrate the life force.

4. FAT

Human fat was a sought-after remedy for bleeding, bruising, muscle cramps, nerve damage, joint pain, and a variety of other afflictions. It was especially popular in Germany, and was delivered to Munich’s doctors by enterprising executioners until the mid-18th century. Others sought to bypass the apothecary entirely and went straight to the executioner for their medicinal supplies. Often the fat was made into a salve (sometimes known as "hangman's salve"), but one physician to several English and French kings combined the ingredient with hemlock and opium and administered it as a pain-reducing plaster.

5. BLOOD

A crowd of spectators wait as Tom Idle is driven in a cart with his coffin to his place of execution and the gallows. Engraving by William Hogarth, 1747
Engraving of an execution by William Hogarth, 1747

Like fat and brains, blood was also often procured directly from the executioner. People who were too poor to afford the fine wares of their local apothecary went instead to the gallows, where they paid a few coins to drink the fresh blood of the recently executed. Though usually drunk straight, blood was also dried and powdered (to cure nosebleeds), sprinkled on wounds (to stop bleeding), or even made into a kind of human marmalade.

6. HAIR

According to Sugg, a tonic called “liquor of hair” was regularly used to encourage hair growth in those who were balding. Under the like cures like theory, the hair of a deceased person was believed to help with the hair of the living. However, powdered hair was also administered for complaints that had nothing to do with heads—including jaundice.

7. TEETH

Engraving of a tooth-drawer by D.J. Pound after G. Dou, 1672
Engraving of a tooth-drawer by D.J. Pound after G. Dou, 1672

Teeth, too, were an example of "like cures like." In North Hampshire, England, and other areas, people wore teeth taken from corpses in a bag around their neck as a remedy for toothache, an ailment that could also be treated by touching a cadaver’s tooth to your own. In Ireland, people went even further, and believed that toothache could be cured by rubbing the afflicted gum with the finger of a corpse, or even washing it with some water that had also been used to wash the dead body. (Makes you thankful for modern mouthwash.)

Paris Responds to Its Public Urination Problem By Installing Open-Air Urinals

Thomas Samson, AFP/Getty Images
Thomas Samson, AFP/Getty Images

In between stops at the Louvre and the Eiffel Tower, sightseers in Paris might notice some unusual new landmarks marking the city's streets: bright red, open-air urinals. As NPR reports, the so-called "Uritrottoir" (a mashup of the French words for urinal and pavement) have been installed in response to the city's public urination problem, and residents aren't happy about it.

Peeing openly on the streets has been an unofficial tradition in the French capital since the pre-Napoleon era. Relieving oneself on city property is a fineable offense, but that hasn't stopped both tourists and locals from continuing to do it, subjecting bystanders to both the unwelcome sight and the lingering smell.

Now, Paris is taking an if-you-can't-beat-'em-join-'em approach to the issue. Uritrottoir have popped up near some of the city's most famous spots, such as Île Saint-Louis, overlooking the Seine, and Notre-Dame Cathedral. They're about the height and size of trash cans, with a receptacle that's meant to catch pee, not litter. Inside the Uritrottoir, straw and other composting materials absorb the urine and its odors, eventually breaking down into a compost that will feed the plants growing from the top of the box. A conspicuous sign of a man peeing posted above the urinal lets passersby know exactly what the contraption is for.

The built-in planters are meant to present the public urinals as something beautiful and functional, but many of the people who have to look at them every day aren't buying it. Fabienne Bonnat, a local art gallery owner, told CBC Radio, "It's an open door to exhibitionism. Who likes to see that?"

Another Île Saint-Louis gallery owner, who didn't wish to be named, told Reuters, “We’re told we have to accept this but this is absolutely unacceptable. It’s destroying the legacy of the island. Can’t people behave?"

The first three toilets were installed in March with a fourth appearing in July. The city has plans to add a fifth urinal, despite the uproar they've already caused.

[h/t NPR]

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