Switzerland Flushes $1.8 Million in Gold Down the Sewer Every Year

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Switzerland has some pretty valuable sewer systems. As Bloomberg reports, scientists have discovered around $1.8 million worth of gold in the country's wastewater, along with $1.7 million worth of silver.

Scientists at the Swiss Federal Institute of Aquatic Science and Technology examined sewage sludge and effluents, or discharged liquid waste, from 64 water treatment plants and major Swiss rivers. They did this to assess the concentrations of various trace elements, which are "increasingly widely used in the high-tech and medical sectors," the scientists explained in a press statement. "While the ultimate fate of the various elements has been little studied to date, a large proportion is known to enter wastewater."

The study, which was recently published online in the journal Environmental Science & Technology, revealed that around 94 pounds of gold makes its way through Switzerland's sewage system each year, along with 6600 pounds of silver and high concentrations of rare metals like gadolinium and niobium. For the most part, these metals don't harm the environment, researchers say.

With gold and silver quite literally flowing through their sewers, is there any way that Switzerland could turn their wastewater into wealth? Scientists are skeptical: "The recovery of metals from wastewater or sludge is scarcely worthwhile at present, either financially or in terms of the amounts which could be extracted," the release explains.

However, in the southern canton of Ticino, which is home to several gold refineries, the "concentrations of gold in sewage sludge are sufficiently high for recovery to be potentially worthwhile," they conclude.

Switzerland is famous for its chocolate, watches, and mountains, but it's also home to major gold refineries. On average, around 70 percent of the world's gold passes through Switzerland every year—and judging from the looks of it, much of it goes down the drain. As for the sewer silver, it's a byproduct of the chemical and pharmaceutical industry, which is a cornerstone of Switzerland's economy.

[h/t Bloomberg]

How Often Should You Poop?

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When it comes to No. 2, plenty of people aren’t really sure what’s normal. Are you supposed to go every day? What if you go 10 times a day? Is that a sign that you’re dying? What about once every three days? Short of asking everyone you know for their personal poop statistics, how do you know how often you’re supposed to hit the head?

Everyone’s system is a little different, and according to experts, regularity is more important than how often you do the deed. Though some lucky people might think of having a bowel movement as an integral part of their morning routine, most people don’t poop every day, as Lifehacker informs us. In fact, if you go anywhere between three times a day and three times a week, you’re within the normal range.

It’s when things change that you need to pay attention. If you typically go twice a day and you suddenly find yourself becoming a once-every-three-days person, something is wrong. The same thing goes if you normally go once every few days but suddenly start running to the toilet every day.

There are a number of factors that can influence how often you go, including your travel schedule, your medications, your exercise routine, your coffee habit, your stress levels, your hangover, and, of course, your diet. (You should be eating at least 25 to 30 grams of fiber a day, a goal that most Americans fall significantly short of.)

If you do experience a sudden change in how often you take a seat on the porcelain throne, you should probably see a doctor. It could be something serious, like celiac disease, cancer, or inflammatory bowel disease. Or perhaps you just need to eat a lot more kale. Only a doctor can tell you.

However, if you do have trouble going, please, don’t spend your whole day sitting on the toilet. It’s terrible for your butt. You shouldn’t spend more than 10 to 15 minutes on the toilet, as one expert told Men’s Health, or you’ll probably give yourself hemorrhoids.

But if you have a steady routine of pooping three times a day, by all means, keep doing what you’re doing. Just maybe get yourself a bidet.

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

Jazz Icon Charles Mingus Wrote a Manual for Toilet Training Your Cat

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Imagine it's the 1950s and you're in a basement jazz club in New York City. A haze of smoke lingers in a dusky room, glasses clink as waiters drop off martinis and Manhattans, and people bop their heads to the sounds of Charles Mingus, the hottest jazz bassist around. After the performance, Mingus pulls up to the bar and cradles a stiff drink. You approach him, but before you can say anything, the musician turns to you and asks an important question: Hey, man. Where does your cat poop?

This isn't as far-fetched as it sounds. Besides being one of the most revolutionary jazz artists of his day, Mingus was also a passionate advocate for teaching people how to toilet train their cats. So passionate, in fact, that he wrote instructions for a cat toilet training program (he called it the "CAT-alog"), which he routinely tried to sell at his gigs. He even placed print ads so that interested clients could buy his pamphlets via mail order.

The CAT-alog is a reflection of the man as a musician: blunt, concise, and demanding in its details. (You can read the instructions in their entirety here.) He swore by the program's effectiveness, claiming it took three or four weeks for his cat, Nightlife, to transition from the litter box to the porcelain throne.

Here's a breakdown of Mingus's process:

First, teach your cat to use a homemade cardboard litter box. ("Be sure to use torn up newspaper, not kitty litter. Stop using kitty litter. [When the time comes you cannot put sand in a toilet.]") Gradually, begin inching the box toward the bathroom. ("He has to learn how to follow it.") Once you've reached the bathroom, place the box on the toilet. ("Don't bug the cat now, don't rush him, because you might throw him off.") Then cut a small hole in the bottom of the cardboard ("Less than an apple—about the size of a plum."), and gradually cut down the sides of the box until it becomes a flat sheet. ("Put the flat cardboard, which is left, under the lid of the toilet seat, and pray.") Then, one day, remove the cardboard entirely.

Mingus insisted that, with patience, his methods would work. In fact, he advised: "Don't be surprised if you hear the toilet flush in the middle of the night. A cat can learn how to do it, spurred on by his instinct to cover up." In 2014, however, Studio 360 at WNYC put Mingus's instructions to the test … and failed.

Some cats, Mingus admits, just aren't "as smart as Nightlife was." But he'd likely agree that cats, like jazz musicians, really aren't the types to be bossed around.

For more, please listen to actor Reg E. Cathey read a silky smooth excerpt of Mingus's CAT-alog here. Trust us: You'll be glad you did.

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