What if the blood stains on the Shroud of Turin could tell us something we never knew about Jesus?
For years, scientists have studied these mysterious marks, trying to understand where they came from and what they might reveal.
Now, with the help of artificial intelligence, the blood evidence is being examined in a whole new way.
But what can AI really tell us?
Could it uncover clues that were missed before, or will it only raise more questions?
Stay with us.
The strongest evidence has just emerged, and it is far stranger than the headlines suggest.
The Shroud of Turin In nineteen seventy-eight, a team of scientists spent five days and nights alone with an old piece of linen.
Within days of the news, two stories raced across the internet.
One said the cloth’s DNA pointed to a journey through the Middle East, and even India.
The other said the cloth was covered in food and animal DNA, with traces from at least fourteen people, including the scientist who handled the samples.
Strangely, both stories were true.
Hidden in those fibers is a record nobody expected.
There are many genetic traces and origins scattered across continents, and a timeline that refuses to line up.
So the question is no longer only “What is the Shroud of Turin?”
It is “Who and what has touched it?”
And can a pile of fingerprints ever tell us who was wrapped inside?
Skeptics see one of the most successful forgeries ever made.
They believe a skilled medieval artist created it to feed the hunger of pilgrims for relics and miracles.
Some popular theories even blame Leonardo da Vinci.
But that idea has a timing problem.
The shroud was already on display in a small church in the French village of Lirey in the thirteen-fifties.
Leonardo was not born until fourteen fifty-two.
The doubt is also older than photography.
In thirteen eighty-nine, Pierre d’Arcis, the bishop of Troyes, wrote to the antipope in Avignon.
He said a bishop before him had investigated decades earlier, and that an artist had confessed to painting the image.
Defenders point out that the only source for this story is d’Arcis himself, in a memo that may have been a rough draft.
Skeptics answer that it is still the earliest written testimony we have, and it comes from the local bishop.
In thirteen ninety, Pope Clement the Seventh let the displays continue, on one condition.
The cloth had to be presented as a picture of the burial sheet, not the real thing.
So for six hundred years, the argument ran on faith, suspicion, and a stubborn lack of proof either way.
Then the twenty-first century arrived.
The age of guessing gave way to the age of the laboratory, and the cloth was never quite the same again.
Science had touched the shroud before.
In October nineteen seventy-eight, around two dozen American scientists from elite labs, including Los Alamos, Sandia, and the Jet Propulsion Laboratory, spent five days around the clock with the cloth in Turin.
They called themselves the Shroud of Turin Research Project, or STURP.
With rare access, they ran dozens of tests designed not to damage the cloth, using infrared light, X-rays, and sticky tape to lift tiny samples from the surface.
Nothing like it had been attempted before, and the team worked through the nights to make the most of every hour.
Their nineteen eighty-one report made four big claims.
The image was not made with paint, dye, stain, or scorching.
It showed a real human body, one that had been whipped and crucified.
The stains, they said, were real human blood, backed by traces of hemoglobin and serum albumin.
And how the image formed, a color change only two microns deep on the linen fibers, remained a mystery.
That last point was the one that kept people talking, because even with all their instruments, the scientists could not explain how such a faint image had ended up on the cloth.
Skeptics pushed back hard.
The microscopist Walter McCrone argued that the image and stains were made of pigment, not blood or any mysterious process.
His challenge turned a scientific study into a lasting dispute, and the two sides have traded blows ever since.
Each camp points to the same cloth and reaches a very different conclusion, which is why the debate has never been settled.
What began in this century was different in scale.
Geneticists, physicists, and forensic scientists started treating the cloth like a cold case.
They read DNA from dust.
They scanned single threads with X-rays.
They mapped stains at the tiniest scale.
And in Italy, they fired lasers at fresh linen to see whether an image like this could even be copied.
At first, researchers expected something simple.
Maybe one person’s traces, or the leftovers of a medieval paint.
Instead, every new test made the puzzle bigger.
Teams at the University of Padua, and physicists at ENEA, Italy’s national agency for new technologies, energy, and sustainable economic development, found things that startled even veteran researchers.
One quick clarification, because many videos get this wrong.
The main DNA studies did not read the Y chromosome, the male line.
They read mitochondrial DNA, which passes down through mothers.
It survives better in old, damaged samples because every cell holds many copies of it.
To see why those results caused such a stir, we have to go back to the first moment anyone truly saw the face in the cloth.
The Night the Image Emerged Sometime in the thirteen-fifties, a famous French knight named Geoffroi de Charny walked into a brand-new church in the village of Lirey.
He handed the dean a long linen cloth and made an astonishing claim: it was the real burial sheet of Jesus Christ.
Think about that for a moment.
The most famous relic in the Christian world suddenly appears in a tiny village church.
And the man who brought it never said where it came from.
He never told anyone how he got it, and no record anywhere tells us.
The trail starts the very moment the cloth steps into the light.
That silence is one of the oldest puzzles of all.
Believers say a knight of his standing would never have lied.
Skeptics say a missing history is exactly what a forgery needs.
Either way, the cloth sat in the shadows of history for more than five hundred years, with its secrets folded away.
Then, in eighteen ninety-eight, a camera changed everything.
In May eighteen ninety-eight.
The shroud had come out of its casket for a rare public showing, part of a great celebration of sacred art.
Secondo Pia, a lawyer and hobby photographer, was named official photographer at a late date.
With the permission of King Umberto the First, he hauled a heavy camera into the cathedral and built a scaffold high enough to frame the cloth.
His first try, on the evening of the opening, May twenty-fifth, failed.
Three days later, on May twenty-eighth, he tried again, this time with powerful lights and huge glass plates.
That night, alone in a dark room lit by a dim red lamp, Pia began to develop one of the plates.
As the image rose through the chemicals, he reportedly froze.
By his own later account, he almost dropped the glass.
What he saw was not the faint, brownish smudge on the cloth.
The negative showed a clear, lifelike face.
The eyes were closed, the nose was damaged, and there was a mustache, a forked beard, and bruising across the cheek.
For the first time in history, the figure looked unmistakably human, both regal and broken.
And here is why it mattered.
Normally, when you turn a painting into a photographic negative, it looks wrong, flat and ghostly, like a mask.
The shroud did the opposite.
It looked more natural in the negative than in real life.
Strangely, the cloth behaves like a negative itself.
But Pia’s story did not end in triumph.
It ended in pain.
The Hidden Sting When Secondo Pia showed the world what he had seen, many people refused to believe him.
Photography was still a young art, and the idea of an ancient negative sounded impossible.
Critics, led by the writer Fernand de Mély, said Pia had cheated.
They said he had painted the face onto the glass plate himself, or used clever lighting tricks to invent the result.
In nineteen oh-five, a defense of his work was sent to the famous Académie des Sciences in Paris.
It was flatly rejected.
Then came the biggest surprise.
Some of the harshest attacks came from inside the Catholic Church.
Two respected historians and clergymen, Ulysse Chevalier and Herbert Thurston, pointed straight back to Bishop d’Arcis and his memo from thirteen eighty-nine.
In their view, Pia’s photographs were breathing false life into an old medieval myth.
Pia was a respected lawyer, and he was crushed.
He pulled away from public life, defended his work only in private letters, and refused to earn a single coin from his photographs.
For thirty-three years he lived under that cloud.
Then, in nineteen thirty-one, the Vatican allowed a professional photographer, Giuseppe Enrie, to photograph the cloth again with better equipment.
His negatives matched Pia’s.
By then Pia was in his seventies, and he was among those present at the viewing.
He reportedly let out a deep sigh of relief.
At last, the world knew he had told the truth.
But does the negative prove anything?
Here is where it gets tricky, because skeptics have a reply.
They say a negative-like image does not need a camera at all.
Imagine rubbing pigment over a shallow carving.
The result could look natural when flipped into a negative.
Investigators like Joe Nickell have built test versions this way.
Defenders answer that none of these copies match the cloth’s other features.
And the debate is still alive today.
In February of twenty twenty-six, a Brazilian researcher, Cícero Moraes, used free 3D modeling software to argue that the image would not look this way if the cloth had been draped over a real body.
Three shroud specialists, Tristan Casabianca, Emanuela Marinelli, and Alessandro Piana, replied that his work ignored key physical and chemical details.
So the negative was not a collapse of certainty.
It was the first crack in the wall.
And the deeper clues, researchers believed, were not on the surface at all.
They were hiding in the dust.
The Secret Hidden in the Dust Between the threads of the shroud lies something no forger would ever think to plan: more than six hundred years of dust.
Every fiber and every gap in the weave holds tiny bits of the world.
There are specks from the air, from hands, from breath.
Scientists realized this dust was a kind of archive.
The study that made headlines came from the University of Padua, led by the geneticist Gianni Barcaccia, with colleagues from the University of Pavia.
It was published in the journal Scientific Reports on October fifth, twenty fifteen.
Now, a quick correction, because this is often told wrong.
The team was never handed the relic itself.
They worked on dust that had been vacuumed from the cloth long ago.
Some came from the body image and some from the edge used for radiocarbon dating.
The first batch was collected in nineteen seventy-eight, during the American team’s work.
The second was gathered in nineteen eighty-eight, while the dating sample was being cut.
Sealed and stored for decades, those filters became a time capsule.
The goal was not to find the DNA of Jesus.
Science has nothing to compare that to.
The goal was humbler, and in its own way bolder: to work out who and what had touched the cloth.
Every step was a fight against contamination.
One breath, one sneeze, or one flake of skin from a modern researcher can drown out an ancient signal.
The team read the mitochondrial DNA using powerful modern methods.
For weeks, computers compared millions of fragments against genetic databases from all over the world.
When the results finally appeared, they were not what anyone had predicted.
If the shroud were a French or Italian fake, you would expect mostly European lines.
If it had stayed near Jerusalem, you would expect the Middle East.
Instead, the DNA fell into groups from across Western Eurasia.
Some were common in Western Europe, some in the Near East, some on the Arabian Peninsula, and some in the Indian subcontinent.
And now, here is the part almost nobody repeats.
The authors themselves wrote that this mix does not rule out a medieval origin in Europe.
They also said it fits the long road from the Near East.
Barcaccia told reporters that people of many backgrounds had touched the cloth, either in Europe or in their homelands, and that nothing more could be said about where it began.
Hugh Farey, editor of the newsletter of the British Society for the Turin Shroud, agreed that the results do not settle the question of whether the cloth is real.
So this was not the DNA of one man.
It was a snapshot of humanity’s hands.
And that makes the next layer of evidence both dazzling and dangerous.
The Clues Written in the Hands Once doctors and surgeons studied those high-contrast negatives, they noticed details that medieval artists would not have known.
Believers point to three.
First, the nails.
In almost all medieval art, nails go through the palms.
On the shroud, the wounds sit at the wrists.
French surgeon Pierre Barbet argued that palm flesh would tear under a body’s weight, and that only the wrist bones could hold it.
Second, the thumbs.
On the shroud, each hand shows only four fingers.
Barbet argued that a nail through the wrist would hit the median nerve and snap the thumb across the palm, hiding it from view.
Third, the rest of the body.
There are about a hundred barbell-shaped marks on the back, matching a Roman whip.
There are puncture wounds around the scalp, and a spear wound on the right side with a heavy flow of blood.
In the nineteen-seventies, scientists also fed the image into a NASA-style image analyzer and said the darkness of the image seemed to track the cloth’s distance from a body.
Skeptics dispute how much that really proves.
Still, it is why many call the image a map.
Look closer at the dust results, and the genetic map becomes a tour of the planet.
Researchers reported lines common among the Druze, an old, isolated community in Israel, Jordan, Lebanon, and Syria.
Western European lines showed up too, which is no surprise.
The cloth has lived in Europe since the fourteen-hundreds.
It sat in Chambéry, then Turin, was repaired by Poor Clare nuns, and was kept by the House of Savoy, with countless pilgrims passing through.
Other lines hinted at North and East Africa, perhaps Egypt and Ethiopia.
Some pointed to South Asia.
Some popular summaries add East Asia, but the paper’s own summary names only Western Europe, the Near East, Arabia, and India.
How can one cloth hold so many places?
Many videos give a dramatic answer: a medieval forger could never have gathered DNA from India.
But that misses the point.
Nobody had to collect anything.
The traces were not painted on.
They settled over time from anyone who stood near the cloth.
The shroud has been shown across France, Switzerland, Belgium, and Italy, in open, dusty air, around countless hands.
As historian Gian Maria Nicolotti points out, DNA can tell you who touched the cloth.
It cannot tell you when the image was made but the newest research, uncovers a new twist.
A New Turn in the Mystery The newest research makes that point even sharper.
In July of twenty twenty-six, a team led by Barcaccia published a study of twelve samples collected in the nineteen seventy-eight investigation, using advanced sequencing.
They found human DNA from at least fourteen people, including the scientist who first handled the samples.
About forty percent of the human signal looked Indian in ancestry.
They also found DNA from dogs, chickens, pigs, tomatoes, wheat, and even Mediterranean red coral.
And they found salt-loving microbes, which raised a question: did the cloth meet salty conditions during storage, travel, or the processing of the flax?
A forensic scientist, quoted in the coverage, said the DNA cannot answer questions about the cloth’s age or authenticity, though it gives fresh insight into its biological history.
The study also dated two threads from the reliquary, the container, not from the shroud itself.
So whether you watch this as a journey or as a long, messy history of being handled, one thing is clear.
The shroud has traveled.
The question is how far, and since when.
If the shroud really did wander, where did it go?
Some historians say there is a route, one that long sounded more like legend than fact.
The legend begins with King Abgar of Edessa.
Sick and desperate, he sent word to Jesus, asking for healing.
In return, he received a cloth bearing the imprint of Jesus’s face.
Byzantine, Syrian, and Arabic sources say that cloth, called the Mandylion, was kept in a frame at Edessa, today’s Şanlıurfa in southeastern Turkey.
In the year nine forty-four, it was carried in triumph to Constantinople.
In nineteen seventy-eight, British researcher Ian Wilson made a bold claim.
The Mandylion, he said, was the shroud folded so that only the face showed.
That would explain why a full-length image was described as just a face.
Now, think about the places on that road.
Edessa sat on the Silk Road, where caravans from China, India, Persia, and Arabia passed through.
Constantinople was one of the biggest cities in the world, where many cultures met every day.
A holy cloth, kissed, touched, and breathed upon in places like these, would collect traces layer by layer, century after century.
Then, in twelve oh-four, the Fourth Crusade sacked Constantinople.
A French knight, Robert de Clari, wrote that before the sack he had seen a church showing a linen cloth with the full figure of Christ.
After the looting, he said, nobody knew what had become of it.
The cloth vanishes from the record.
The next sure sighting is in the thirteen-fifties at Lirey, in the hands of the knight Geoffroi de Charny.
One of the oldest pieces of physical evidence is a small lead pilgrim’s badge from around that time, found in Paris in the eighteen-hundreds.
It shows a cloth with a front and a back figure, held up above two coats of arms.
It is the earliest picture we have of anything like the shroud.
From there, the trail is clear.
In fourteen fifty-three, the cloth passed to the House of Savoy, who kept it for centuries.
In fifteen thirty-two, a fire in the chapel at Chambéry scorched it.
In fifteen seventy-eight, it moved to Turin.
And after the death of the former king, Umberto the Second, in nineteen eighty-three, ownership passed to the Catholic Church.
Now, the honest part.
The Mandylion is described in the old sources as a face.
And no document before the thirteen-fifties clearly ties this particular cloth to Edessa or Constantinople.
That leaves a gap of about a hundred and fifty years in which the shroud’s whereabouts are, at best, guessed.
So the route fits the genetic mix.
But a mix is also what almost any well-traveled relic would collect.
And human DNA is only half the story.
The other half is written in plants.
The Botanical Clues of the Shroud Plants left a huge amount of DNA on the cloth too.
Scientists did not find one clean, ancient fingerprint from Jerusalem.
They found what one report called a wall of genetic noise.
For centuries the cloth was uncovered, held, kissed, mended, and left in open air.
It acted like a biological sponge.
The plant DNA came from dozens of plant families, spread across continents.
There were heavy traces of Mediterranean weeds, clover, ryegrass, and trees like spruce, pine, and larch.
That fits the cloth’s known life in Italy and France.
Then came a surprise.
The study also found crops from the Americas: tomatoes, maize, potatoes, peppers, peanuts, and tobacco.
These plants did not grow in Europe or the Middle East until after Columbus crossed the Atlantic in fourteen ninety-two.
So their DNA proves one simple thing.
The cloth kept collecting dust and contamination long after the Middle Ages.
And the most common crop?
Not wheat.
According to the twenty twenty-six study, it was the carrot, making up about thirty-one percent of the plant material, with bread wheat close behind.
The plants also gave a hint about where the cloth itself might have come from.
Researchers found DNA from plants native to East Asia and the Indian subcontinent, such as the cowpea.
Add to that the fact that about thirty-nine percent of the human mitochondrial DNA belonged to Indian lineages, and some scientists floated an idea.
Maybe the linen was spun in India, a giant center of textile trade, and then shipped to the Mediterranean.
But this does not settle anything.
Skeptics say the American plants and common European vegetables point to a medieval cloth, handled in open marketplaces.
Believers say a two-thousand-year-old cloth would pick up modern dust no matter what.
The experts agree on one thing: with this much human, animal, and plant DNA mixed, no one can pull out an original, let alone a divine, strand.
In nineteen seventy-three, a Swiss criminologist named Max Frei pressed strips of sticky tape against the shroud and lifted dust from the surface.
In nineteen seventy-eight, he took a second set of twenty-seven samples.
Frei was a pioneer of forensic pollen study, and he reported dozens of plant species, many from the Middle East, Turkey, and the Anatolian steppe.
After he died in the early nineteen-eighties, two scholars studied his slides: the Hebrew University botanist Avinoam Danin, and Uri Baruch of the Israel Antiquities Authority.
In nineteen ninety-nine, Danin and his co-authors published a book, Flora of the Shroud of Turin.
They argued the pollen pointed to the Jerusalem area before the eighth century.
At the center of their case was a thorny desert shrub called Gundelia tournefortii, and a second plant, Zygophyllum dumosum.
Together, they grow only in a small region.
Gundelia has long thorns, and some argue these match what Roman soldiers could have woven into the mock crown in the gospels.
It also blooms near Jerusalem in early spring, close to Passover.
It is a beautiful argument.
It is also one of the most disputed in all of shroud research.
Critics note that independent sticky-tape sampling in nineteen seventy-eight found only a couple of grains per tape, and all but one of Frei’s tapes were just as sparse.
Danin’s own count put Gundelia at about a quarter of the grains he examined, forty-five out of one hundred sixty-five, not the nearly half that many videos claim.
The authors of the book admitted they could not confirm all of Frei’s findings, because the original samples had broken down.
And Hugh Farey has argued that pollen data should not be used until new samples are taken.
Pollen is not paint.
That much is true.
You cannot brush it on like pigment.
But it also rides on wind, on clothes, and in the pockets of pilgrims.
If pollen is a geographic fingerprint, it is a smudged one.
So what did the animals add?
The Hidden Animal Clues The newest sequencing found a surprising amount of animal DNA too.
Just like the plants, it reads like a travel diary, showing a cloth exposed to farms, homes, and church ceremonies.
The biggest share came from household animals.
Dogs and cats alone made up about forty-four percent of the animal DNA.
There were also cattle, pigs, sheep, goats, horses, and donkeys, plus chickens, rabbits, and deer.
That makes sense.
For centuries the shroud was not locked in a sealed museum case.
It was carried around, draped over altars, and shown outdoors in public squares, where dust and animal hair could settle on the porous linen.
Then came the strangest find: Corallium rubrum, Mediterranean red coral.
Coral is a sea animal, so finding it on a burial cloth startled researchers.
Two explanations stand out.
In the Middle Ages and Renaissance, people often touched holy objects, like coral crosses, rosaries, and jewelry, to the shroud to bless them.
Or the coral points to coastal regions of France and Italy, where red coral was harvested, carved, and traded.
The sequencing also picked up tiny traces of skin mites and ticks, the kind that cling to cloth handled by crowds.
It found fish and crustaceans too.
These may come from coastal dust, or from the fish-based glues and binders used in medieval repairs.
Put it all together, and the shroud is, in a biological sense, dirty.
It is a genetic sponge, soaking up traces from everyone and everything it has touched.
You cannot use its DNA to pick out one person, or to prove who the cloth first wrapped.
Instead, the DNA tells the story of a long, much-traveled life, passed through countless hands and places over the centuries.
What it does not tell us is the day the image was made.
That leaves the evidence that, for many people, matters most: the blood.
So what does the blood actually say?
Traces of Blood For years, skeptics said the red marks were paint.
Walter McCrone made that case in the nineteen-eighties.
But Shroud of Turin Research Project’s own chemists, John Heller and Alan Adler, said the stains held blood.
Bolder claims followed, many from the circle around Giulio Fanti at the University of Padua.
But one of their papers was retracted in twenty eighteen, because it rested on a single tiny fiber of unclear origin.
The authors still stand by it.
Also in twenty eighteen, Matteo Borrini and Luigi Garlaschelli tested blood patterns on a volunteer and a mannequin.
No pose matched the cloth.
So the blood chemistry is unconfirmed, and the blood flow is unsettled.
Now, the clock that started the fight.
In April of nineteen eighty-eight, a strip about the size of a postage stamp was cut from the cloth and split among labs at Oxford, Zurich, and Arizona.
Their result, published in Nature, put the cloth between twelve sixty and thirteen ninety.
Critics said the strip came from an edge that pilgrims had handled, a fire had scorched, and nuns had patched.
Chemist Raymond Rogers argued the labs may have dated a medieval repair.
In twenty nineteen, Tristan Casabianca reanalyzed the raw data and found the labs agreed less tightly than first claimed.
He did not say the cloth was older, only that the dating was not proven conclusive.
Then, in twenty twenty-two, Liberato De Caro offered a new clock.
It measures how far the linen’s fibers have broken down.
His thread matched linen from Masada, from the first century.
Elegant, yes.
But the method is young; the thread came from the same spot, and no one has repeated it.
And the image?
It is astonishingly thin, only about two hundred nanometers deep, with no brush strokes.
In Italy, scientists spent five years firing laser light at linen and came close to its color on a few square centimeters.
But the power needed is beyond any light source we have.
Even the lead scientist said this does not mean a laser made it.
The Church has never ruled on the cloth.
When Pope Francis touched it in twenty fifteen, he did so in prayer, not as a verdict.
Now, the only thing we know for sure is that, the DNA shows a cloth touched by countless hands.
The carbon dating has been reopened, not overturned.
The image is shallow, and no one has copied it at human scale.
But no test has proven a first-century burial.
Every field found a clue, and none found the answer.
If you enjoyed this video, like and subscribe, and also click the next video shown on your screen.
