10 Historical Divination Methods for Predicting the Future

The Liver of Piacenza, a model of a sheep's liver used in Etruscan divination and unearthed in Italy in 1877.
The Liver of Piacenza, a model of a sheep's liver used in Etruscan divination and unearthed in Italy in 1877.
Shonagon, Wikimedia // CC0 1.0 (cropped)

Humans have been trying to predict the future since long before the Magic 8 Ball was invented. Divination, often using bones and entrails, was a common practice in the ancient world, and perhaps even earlier. Since then, it's seemed like just about any handy object lying around—books, chickens, even cheese—has been used to attempt a glimpse at upcoming events, leading to a host of compound words formed with the suffix -mancy (which can be traced back to the Ancient Greek for "seer" or "prophet"). Here are some of the more intriguing forms of historical divination—some may even still be practiced today, depending on who you ask—from the widespread and better known to the more delightfully obscure.

1. Hieromancy (Divination Using Entrails)

Beginning in Mesopotamia and then in classical Greece and beyond, animals were sacrificed in divinatory rituals and their internal organs (notably the liver) were inspected for omens. Aside from oracles, it was the most important divination method of the classical world: In his De Divinatione ("On Divination"), the Roman orator, statesman, and writer Cicero wrote "nearly everybody employs entrails in divining." The gory practice went by a few different names, including extispicy (from the Latin exta, or "entrails") and haruspicy, and was practiced by specialists, sometimes called extispices or haruspices. Though details on how exactly the interpretations worked can be scarce, a healthy liver was generally a positive sign, but if the organ lacked a lobe, doom was all but certain. Defects in the heart of the animal were also seen as a very bad portent, as was extra bloodiness. The Etruscans were famed practitioners of hieromancy, and at least one life-size bronze model of a sheep liver (likely made for educational purposes) has been unearthed, marked with names of various gods in each quadrant—a little like the entrails version of old phrenology heads.

2. Ornithomancy (Divination Using Birds)

Interpreting the behavior of birds is one of the oldest forms of divination, and was a common part of Greek religious life. In Aristophanes's comedy The Birds, the leader of a chorus of birds brags of their usefulness in divination: "Before undertaking anything, whether a business transaction, a marriage, or the purchase of food, you consult the birds by reading the omens." (However, the bird also says: "With you a word is an omen, you call a sneeze an omen, a meeting an omen, an unknown sound an omen, a slave or an ass an omen.") In Rome, ornithomancy was practiced by public priests known as augurs, who "took the auspices" by observing birds and other natural signs, such as thunder and lightning, to interpret the will of the gods. The number, flight, and cries or songs of both wild birds and caged sacred chickens could be used; if food fell from the beaks of the chickens while they were eating, it was a very propitious sign.

3. Pyro-osteomancy (Bone Oracles)

Pieces of oracle bone engraved with early Chinese writing from the Shang dynasty.
Pieces of oracle bone engraved with early Chinese writing from the Shang dynasty, collection of Pitt Rivers Museum, Oxford University
BabelStone, Wikimedia // CC BY-SA 3.0

In ancient China, bones were used to tell the future. During the Neolithic period, the Shang dynasty, and beyond specialists would inscribe questions on animal (often cattle) shoulder-blades and tortoise shells, then chisel pits into them and insert heated points. The cracks made by the heated points were then interpreted as answers to the questions—either as positive or negative omens, or with more specific meanings. Some scholars even think the meanings of these cracks formed the basis for early Chinese script, and the oracle bones, as they're now known, are definitely the oldest evidence of Chinese writing. The oracle bones had been forgotten by history until their rediscovery around the early 20th century, when large caches were found; previously, they had known as "dragon bones" and ground up into medicine. Similar forms of pyro-osteomancy were found throughout East and Northeast Asia, and even North America, and in some cases may still be practiced by indigenous peoples.

4. Bibliomancy (Divination Using Books)

The practice of asking a question, opening a book at random, and interpreting the first passage your eyes (or fingers) hit upon as an answer was once widespread among the Greeks and Romans, the Muslim world, medieval Europe, and elsewhere. The Bible, the Book of Psalms, the Koran, and the works of the Roman poet Virgil were among the books most commonly used. Divination employing Virgil's writing even had its own name, the sortes Virgilianae. (Because it's the 21st century, you can now practice it online.) And you didn't even necessarily need to read the books to use them for divination—in Russia, people would tie books to the ceiling using string, and then pay attention to which way the books swung when certain names were mentioned. The direction of the swing could indicate the name of a future spouse, or girls who would marry within the year.

5. Alectryomancy (Divination Using Chickens)

Chickens weren't just a handy food source in the ancient world—they could also predict the future. Various divinatory methods were employed in which chickens were offered a choice of grain in a particular location or direction, which corresponded to an answer to the subject in question (the parties in a battle, say, or the direction from which a future husband might come). According to The New Encyclopedia of the Occult, one famous example of alectryomancy took place during the reign of the Emperor Valens (364-378 CE), in which a group of Roman courtiers sought the name of Valens's successor. During the ceremony, a circle was drawn and divided up into segments, with each segment corresponding to a certain letter, and a grain of wheat was placed in each segment. After various arcane incantations, the chicken pecked the grains corresponding to the letters t,h,e,o, and d, which was understood to mean "Theodotus," a local official who was known to be ambitious. Sadly, Valens found out about the episode and had everyone killed—including Theodotus. (It's less clear what happened to the chicken.)

6. Tyromancy (Divination Using Cheese)

The use of cheese as a divination tool was known in the ancient world and the Middle Ages, although the details aren't very well-recorded. Some say the shapes of the holes in the cheeses were thought to hold meaning—a heart shape could indicate love, and certain holes could be read as initials. According to occultopedia.com, young women in the countryside would predict future husbands by writing the names of suitors on pieces of cheese. The first to mold was believed to be the ideal mate. It may be worth noting, however, that the Greek diviner Artemidorus did not feel that cheese divination was very reliable, and included cheese diviners among his list of "false diviners," alongside dice diviners, sieve-diviners, and necromancers. (The interpretation of dreams and livers was far more dependable, he felt.)

7. Ceromancy (Divination Using Melted Wax)

A drawing of women practicing divination with lead or wax
A drawing of women practicing divination with lead or wax
Čeněk Zibrt, Wikimedia // Public Domain

The swirling shapes made by pouring melted wax into water were used as a divination tool in both ancient and medieval Europe. One common method was to melt the wax in a brass container, and then pour the liquified wax into a vessel full of cold water, after which the diviner would interpret the shapes floating in the water. A related practice, molybdomancy, used the shapes in molten metal, usually lead. One 19th-century Irish book instructs women curious about the trade of their future spouse to take a small lump of lead and put it under their pillow on Midsummer's Eve. The next day they were to heat the lead until boiling, take a pail of water, and pour in the lead—"take it out, and you will find … emblems of his trade; if a ship, he is a sailor, [if] a book, a parson … and so on."

8. Cledonomancy (Divination by Words Overheard)

For the ancient Greeks and Romans, chance utterings weren't always just that. The art of cledonomancy, or divination from overhead words, could be practiced either inside or outside of a specific ritual. In De Divinatione, Cicero relates a story about the Roman general Lucius Paulus, who was then readying his armies to fight King Perseus of Macedonia. Coming home one evening, he noticed that his young daughter Tertia looked forlorn. "What is the matter, Tertia, my dear? Why are you sad?" he asked. His daughter replied, "Oh! father, Persa is dead." Persa was the name of the little girl's puppy, but her father interpreted the words as an omen meaning he would defeat Perseus, which he did.

Specific Greek oracles, such as the oracle of Hermes at Pharai, were also designed around cledonomancy. After burning incense and making offerings, those who wished to know their future would whisper a question into an ear of Hermes's statue, cover their ears, and walk away. The first words they heard when they uncovered their ears were interpreted as the answer to their query.

9. Ring Oracles and "Under-the-Bowl Songs"

In Russia, divination was once a popular pastime for the days just after the New Year, known as the strashyne ("fearful") days, when evil spirits were said to be particularly active. According to W. F. Ryan's The Bathhouse at Midnight: An Historical Survey of Magic and Divination in Russia, divination performed between midnight and 3 a.m. on these days was especially effective. One popular practice involved "under-the-bowl songs," in which rings and other personal objects were placed in a bowl and special divinatory songs sung, with each verse corresponding to a particular fortune (poverty, spinsterhood, etc.).

In one version of the practice from the Kaluga province, girls started by fetching water from a well, speaking the name of a man they wanted to marry as they did so. Once home, they poured the water into a bowl, sprinkled in some oats, added their rings, a cross, and charcoal, then covered the bowl and asked someone (usually a widow) to agitate the water with her pinkie finger. The group would then sing a song, and the widow would draw out a ring at the end of each verse. Ryan gives the example of a verse that foretells death:

Death is walking down the street,
He carries a pancake on a plate,
To the one whose ring is taken out,
It will happen,
It will happen soon,
It can't be escaped.

10. Herring Fat and Membranes

In mid-19th-century Belfast, according to Oxford's Dictionary of Superstitions, women predicted the character of their future husbands using the slimier parts of a herring. One interview excerpted in the dictionary described "a small, silvery-coloured, glutinous membrane, of perhaps an inch and a half in length, [that] lies along the under side of the backbone of the fish." The source goes on to recollect seeing female servants "divining by means of this little membrane" the physical or character traits of their future spouses, by throwing the membranes of herring they had eaten against a wall and interpreting the shape it made. "It depended on the way in which it rested, if it stretched out quite straight, curved, crooked, very crooked, or all in a little heap, whether the future husband would be tall and handsome, or small and ugly," the source said. A similar practice was also known in Scotland, where the 1824 Gallovidian Encyclopedia is a little more blunt: "Herring Soam, the fat of herrings. Young girls throw this against a wall, and if it adheres to it in an upright manner, then the husband they will get will also be so; if crooked, he will be crooked."

22 Facts About the Solar System

Mental Floss via YouTube
Mental Floss via YouTube

So you want to know everything there is to know about the solar system? The first and most important question you might want to get out of the way is: what, exactly, isthe solar system? As Mental Floss editor-in-chief Erin McCarthy tells us, "It's a group of celestial bodies located within the Milky Way galaxy."

At the center of these bodies is the Sun, which is orbited by eight planets; more than 150 moons; and millions of meteoroids, comets, asteroids, and a handful of dwarf planets (sorry, Pluto). But it's the Sun—a.k.a. that shining, 4.5 billion-year-old star in the middle of it all—that accounts for 99 percent of the solar system's total mass. (Think about that the next time you're shading your eyes from its glare.)

In this all-new edition of The List Show, Erin is sharing nearly two dozen fascinating facts about our solar system, including the reasoning behind Pluto's demotion (blame it on Eris, the first known dwarf planet). For more out-of-this-world facts, you can watch the full episode below.

For more episodes like this one, be sure to subscribe here.

The 20 Best TV Shows on Netflix, According to Subscribers

JoJo Whilden, Netflix
JoJo Whilden, Netflix

With thousands of titles to choose from, in the time it can take a Netflix subscriber to choose what to watch next, they could be two episodes deep into a new TV series binge-watch. But as Variety reports, a recent survey conducted by HarrisX and commissioned by MoffettNathanson is helping to reduce the amount of browsing you'll need to do by going straight to the source and asking more than 11,000 Netflix subscribers to cite their favorite shows that are currently streaming on the platform. And the results were somewhat surprising.

  1. Orange is the New Black
  1. Stranger Things
  1. Movies (Catch-all category)
  1. Ozark
  1. Grace and Frankie
  1. Black Mirror
  1. Lucifer
  1. The Crown
  1. The Office
  1. Friends
  1. Dead to Me
  1. Supernatural
  1. Daredevil
  1. The Ranch
  1. House of Cards
  1. Santa Clara Diet
  1. Jessica Jones
  1. 13 Reasons Why
  1. Fuller House
  1. Breaking Bad

As Variety notes, the fact that 15 of the 20 top favorites are Netflix originals rather than licensed shows means that the company will likely continue investing in original content. This might help them out when both Friends and The Office leave the streaming service in 2020 and 2021, respectively.

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