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Natural explanation

Deception: Hoaxes, Cold Reading & Stagecraft

Some claims are simply manufactured. Publishing the proven frauds is what makes the honest cases worth anything.

What it is

A fraud rival says the phenomenon was produced deliberately. The catalog’s clearest cases sit here: a confessed photographic hoax, a faith healer fed names through a hidden earpiece, cold reading dressed as clairvoyance, relics manufactured or retro-attributed centuries after the fact, and ‘blood’ that laboratory work identifies as pigment — pigmented bacteria such as Serratia marcescens, or fungus from handling.

How the story gets built

Manufactured wonders usually share a structure: an emotionally compelling presentation, control of the conditions of observation, refusal of any independent or controlled test, and a narrative that grows in the retelling. Recognizing the structure is what lets us separate a built story from an open one.

The honest limit

Fraud has to be demonstrated, not assumed. “A clever person could have faked this” is not evidence that anyone did, and treating every unexplained case as a presumed hoax is its own kind of dishonesty. We reserve this rival for cases where the deception is shown — a confession, a caught method, a lab result — not merely imaginable.

How this rival is scored here

A demonstrated fraud collapses the evidence side of a grade outright — the entries resting on this rival are the ones scoring in the single digits. Where fraud is only conceivable, not shown, it does not move the verdict.

How we rate →

Cases where this is the leading explanation

39 cases

Catalog entries where we judged this the natural hypothesis doing the most work. Some are settled by it; others resist it — open each to see which.

Disproven

At least four relics — in Vienna's Hofburg, the Vatican, Echmiadzin in Armenia, and the lance "found" at Antioch in 1098 — each claim to be the spear that pierced Jesus' side. None has a credible 1st-century provenance. The famous Vienna lance was metallurgically dated to the 7th century at the earliest (Robert Feather, 2003), and later Vienna research placed it in the 8th–early 9th century and explicitly ruled out a 1st-century origin. The Antioch find is widely regarded by historians as a fabrication. The Catholic Church has never declared any of them authentic.

phenomena·Hofburg Palace, Vienna, Austria

The Holy Lance (Spear of Longinus / "Spear of Destiny")

AI-generated dramatized reenactment — The Veil of Veronica and the Holy Face of Manoppello
Unproven

A faint face-image on cloth, venerated as the veil Veronica used to wipe Jesus on the road to Calvary. The "Veronica" legend is late and likely grew from the phrase vera icon ("true image"); several rival cloths claim the title (the Vatican veil at St. Peter's Basilica; the Holy Face at Manoppello's Sanctuary of the Holy Face; others at Jaen, Spain, and the Hofburg, Vienna). None has provenance reaching the first century, and the much-publicized "sea-silk" (byssus) claims about Manoppello remain disputed.

phenomena·Vatican City and Manoppello, Italy

The Veil of Veronica and the Holy Face of Manoppello

Disproven

For eight years, crowds gathered on a hillside above Lake Bracciano where Gisella Cardia said a statuette of the Virgin wept blood and delivered monthly messages; court-commissioned genetic testing found the traces on the statue matched Cardia's own DNA, the bishop ruled constat de non supernaturalitate in March 2024 with Vatican confirmation in June, and the Cardias were ordered to stand trial for fraud — while Cardia, through her lawyer, maintains her innocence.

signs·Trevignano Romano, Lazio, Italy

The Bleeding Madonna of Trevignano Romano — DNA, a Negative Ruling, and a Fraud Trial (2016–2024)

An ancient Roman contorniato medallion showing the profile head of the sage Apollonius of Tyana, encircled by an inscription of his name.
Unproven

The 1st-century CE Pythagorean philosopher Apollonius of Tyana was credited with healings, exorcisms, prophecy, and a resurrection in a biography by Philostratus written c. 220-235 CE.

healing·Tyana (Cappadocia); Ephesus; Rome

The Miracles of Apollonius of Tyana

Disproven

The mysterious oil reported to exude from religious objects in the Worcester, Massachusetts, room of comatose Audrey Santo was chemically analyzed in 1998 and identified as approximately 80% corn and soybean oil combined with animal fat — commercial cooking oil components, not an unknown substance.

signs·Worcester, Massachusetts, USA

Audrey Santo's Weeping Oil: Laboratory Analysis Identifies Corn, Soybean, and Animal Fat

Unproven

The Venerable Bede, in his Prose Life of St. Cuthbert (c. 721 CE) and Ecclesiastical History (731 CE), catalogues dozens of miracles by the Northumbrian bishop including post-mortem healings from his incorrupt body.

healing·Lindisfarne, Northumbria, England

Bede's Account of the Miracles of St. Cuthbert

Unproven

Two major broadcast investigations — an HBO documentary in 2001 and repeated NBC Dateline reports — followed up on Benny Hinn's claimed miracle healings and found no medically verified cases among those tracked.

healing·United States (global crusades)

Benny Hinn: HBO and NBC Dateline Investigations Find No Verified Healings

Raphael's Renaissance fresco of the Mass at Bolsena: Pope Julius II kneels at left as a priest at the altar witnesses the consecrated host bleed onto the corporal.
Unproven

A German priest celebrating Mass in Bolsena reportedly experienced a bleeding host that stained the corporal linen; the event allegedly prompted Pope Urban IV to institute the Feast of Corpus Christi.

eucharistic·Bolsena (miracle) and Orvieto (papal court), Italy

Eucharistic Miracle of Bolsena-Orvieto (1263)

A consecrated host displayed in a golden monstrance on the altar during Eucharistic adoration
Unproven

In 1996, a Buenos Aires priest found a discarded communion host at the back of his church and, following the rule for such things, dropped it into water to dissolve. Weeks later someone looked in the glass: it had not dissolved — it had turned into something reddish and fleshy that a cardiologist would later say looked like living heart tissue.

eucharistic·Buenos Aires, Argentina

Eucharistic Miracle of Buenos Aires (1996)

AI-generated dramatized reenactment — The Calanda Miracle: A Restored Leg (1640)
Silver

On a March night in 1640, Miguel Juan Pellicer's parents drew back the blanket from their sleeping son and found two legs where, for two years, there had been one. Surgeons in Zaragoza had amputated the right leg and buried it, he had begged at the basilica doors on one leg ever since — and witnesses later swore to all of it under oath.

healing·Calanda, Aragon, Spain

The Calanda Miracle: A Restored Leg

William Hogarth's 1762 engraving 'Credulity, Superstition, and Fanaticism', satirizing the Cock Lane ghost craze
Disproven

In 1762, a supposed haunting at a lodging house on Cock Lane, London -- attributed to the spirit of a murdered woman -- was investigated by a committee including Samuel Johnson and exposed as a fraud perpetrated by a young girl and her father.

apparition·Cock Lane, Smithfield, London, England

The Cock Lane Ghost

The fifth Cottingley Fairies photograph, 'Fairies and Their Sun-Bath' (1920), showing paper fairy figures in grass
Disproven

In the summer of 1917, two Yorkshire cousins — sixteen and nine — borrowed a camera and came back from the stream at the foot of the garden with a photograph of fairies. Arthur Conan Doyle put his name behind the pictures; for sixty-six years, only the girls knew how they were made.

signs·Cottingley, West Yorkshire, England

The Cottingley Fairies: A Photographic Hoax Confessed 66 Years Later

Disproven

Jesuit missionary Francis Xavier (1506-1552) had modest miracle claims in his lifetime, but a posthumous hagiographic tradition amplified them dramatically -- including a fabricated gift of tongues first attributed to him nearly eighty years after his death.

signs·India, Japan, Goa (missionary territories)

The Miracles of Francis Xavier and the Growth of His Legend

Disproven

A hollow bronze Virgin Mary statue at Our Lady of Guadalupe parish in Hobbs, New Mexico, appeared to weep an olive-oil-like substance in 2018, prompting a formal Diocese investigation that confirmed the liquid was rose-scented olive oil.

signs·Our Lady of Guadalupe Church, Hobbs, New Mexico, USA

Hobbs, New Mexico Weeping Virgin Mary (2018)

Worshippers gathered inside the lamp-lit Church of the Holy Sepulchre, Jerusalem, before the Aedicule during the Holy Saturday Holy Fire ceremony.
Unproven

Each Orthodox Holy Saturday, the Greek Orthodox Patriarch emerges from Christ's Tomb bearing candles said to have been lit by spontaneous blue flame — claimed as the longest-attested annual Christian miracle.

signs·Church of the Holy Sepulchre, Jerusalem

The Holy Fire of Jerusalem — Holy Saturday at the Holy Sepulchre

Jules-Eugene Lenepveu's Pantheon mural of Joan of Arc in armor with banner at the siege of Orleans
Disproven

In 1867 a glass jar appeared at a French pharmacy, labelled in a careful hand: remains found under the pyre of Joan of Arc. Inside lay a blackened rib and charred fragments, venerated for a hundred and forty years — until a forensic team laid them out under the lights.

relics·Chinon pharmacy, then museum display, France

Joan of Arc 'Relics' — Confirmed 20th-Century Forgery

Disproven

A woman declared healed of spinal cancer at a Kuhlman service discarded her brace on stage, suffered spinal collapse the next day, and died four months later — the most-cited case in William Nolen MD's 1974 skeptical investigation.

healing·Pittsburgh, PA / Philadelphia, PA, USA

Kathryn Kuhlman's Spinal Cancer Healing (Nolen Follow-up)

An ornate silver monstrance containing the Flesh of the Eucharistic Miracle of Lanciano, displayed behind glass.
Unproven

A relic said to date from the 8th century — when a host and wine reportedly became flesh and blood — was analyzed in 1971 and reported to be human heart muscle and blood.

eucharistic·Lanciano, Abruzzo, Italy

The Eucharistic Miracle of Lanciano

Explained

A dropped host placed in water on Christmas Day 2013 reportedly developed red tissue identified by forensic departments at two Polish universities as human cardiac muscle showing signs of agony, with human DNA confirmed.

eucharistic·Legnica, Lower Silesian Voivodeship, Poland

Eucharistic Miracle of Legnica, Poland (2013)

Unproven

In 1995, some sixty people said they watched a sixteen-inch souvenir Madonna in a Civitavecchia family's home weep blood. The tests found the blood human — and male; asked for samples to compare it against, the family declined, and the question of whose blood it was has never been answered.

signs·Civitavecchia, Italy

The Weeping Madonna of Civitavecchia: Male Blood of an Untested Source

Unproven

In the early 1980s, a cardiac arrest patient named Maria described seeing a worn blue tennis shoe on a specific third-floor window ledge of Harborview Hospital — a detail her social worker said she subsequently verified.

apparition·Harborview Medical Center, Seattle, Washington, USA

Maria's Shoe: The Tennis Shoe NDE

Unproven

French mystic Marthe Robin (1902–1981) reportedly lived without food or water for over fifty years, sustained only by the Eucharist, but declined all controlled medical testing and remains contested by Church investigators and historians.

signs·Châteauneuf-de-Galaure, Drôme, France

Marthe Robin's Fifty-Year Inedia

Unproven

Spanish Franciscan abbess Mary of Ágreda (1602–1665) reportedly bilocated to the Jumano tribe in Texas and New Mexico over 500 times in the 1620s while remaining in her convent in Spain, evidenced by Franciscan missionary accounts and Jumano testimony in 1629.

signs·Ágreda, Spain / Salinas area, New Mexico and Texas, USA

Mary of Ágreda's Bilocation to the Americas

Unproven

Since June 1981, six youths (now adults) in the village of Medjugorje, Bosnia-Herzegovina, have claimed ongoing daily Marian apparitions, making it one of the longest-running and most controversial alleged apparition cases in Catholic history.

apparition·Medjugorje, Bosnia and Herzegovina

Our Lady of Medjugorje (Ongoing Alleged Apparitions)

Unproven

A reproduction of the Iveron icon, entrusted to Chilean-Canadian Orthodox layman Jose Munoz-Cortes in Montreal in 1982, reportedly streamed fragrant myrrh almost continuously for 15 years until its guardian was murdered and the icon vanished.

signs·Montreal, Canada; traveled worldwide 1982-1997

The Montreal Iveron Myrrh-Streaming Icon and Brother Jose Munoz-Cortes

The carved light-wood statue of Our Lady of Akita with open hands, standing before a wooden cross at the convent in Akita, Japan.
Unproven

A wooden statue of the Virgin Mary at the Institute of the Handmaids of the Eucharist in Akita, Japan wept on 101 documented occasions between 1973 and 1981, with tears and blood analyzed as human biological fluids; Bishop Ito approved veneration in 1984.

signs·Yuzawadai, Akita City, Japan

Our Lady of Akita: Weeping Wooden Statue

Sepia photograph of a young Padre Pio showing the stigmata on his hands, taken 19 August 1919
Explained

In 1918, a young friar in the mountains of southern Italy said that as he prayed after Mass, wounds opened in his hands, his feet, and his side. He carried them for the next fifty years while the Church sent one doctor after another to press on them — and the doctors came away contradicting each other.

signs·San Giovanni Rotondo, Italy

Padre Pio's Stigmata

James Randi, the magician-skeptic who exposed Peter Popoff's earpiece trick, speaking at the 1983 CSICOP Conference
Disproven

In mid-1980s arenas, Peter Popoff would pick a stranger out of a crowd of thousands, call them by name, recite their home address and the ailment that had brought them, and say the Holy Spirit had revealed it. In the crowd sat a man with a radio scanner — tuned to a frequency where a woman's voice was reading out the same names, first.

healing·United States (touring crusades)

Peter Popoff's Radio Earpiece Fraud

Disproven

A Belgian farm laborer with a compound leg fracture unhealed for eight years claimed instant healing at a replica Lourdes shrine in Oostakker, Belgium — but post-mortem bone examination introduced serious doubts.

healing·Oostakker, Belgium (Lourdes replica shrine)

Pieter De Rudder: Eight-Year Open Leg Fracture Healed Instantly

The supposed incorruptible body of St. Silvan displayed in a glass case in the Church of St. Blaise, Dubrovnik
Disproven

Silvan, claimed to be the oldest incorrupt body in the Catholic Church, is on display at a Croatian church; skeptical examination reveals the 'body' is a wax sculpture with painted features, glued-on eyebrows and wig, and artificially shallow nostrils and ear canals.

relics·Church of St. Blaise, Dubrovnik area, Croatia

Saint Silvan — Oldest 'Incorrupt' Body Is Actually a Wax Sculpture

Sathya Sai Baba in orange robe seated on a red chair holding letters at Brindavan ashram, 2010
Disproven

To millions of devotees Sathya Sai Baba was a living god, and the proof was in his hands — sacred ash streaming from an empty palm, gold rings and watches conjured out of the air. Then a cameraman from India's state broadcaster caught something at a public function in 1992: a gold necklace pressed quietly into the guru's hand, a moment before he produced it out of the air.

signs·Puttaparthi, Andhra Pradesh, India; worldwide

Sathya Sai Baba’s Materialization Claims (1940s–2011)

Full-length front-and-back photographic negative of the Shroud of Turin, showing the faint image of a crucified man — the form in which the body and face are most clearly visible.
Unproven

One night in 1898, a lawyer developing his photograph of the faint image on an old linen cloth watched a detailed, lifelike face resolve in the negative — a face the cloth itself does not show. A 1988 radiocarbon test dated a corner of the linen to the Middle Ages; that date is now genuinely contested, and no one has reproduced how the image was made.

relics·Turin, Italy

The Shroud of Turin

Unproven

Bavarian mystic Therese Neumann (1898–1962) claimed to have lived without food or water from 1922 until her death, sustained only by the Eucharist, and bore visible stigmata from 1926; a 1927 medical observation produced ambiguous results she later refused to repeat.

signs·Konnersreuth, Bavaria, Germany

Therese Neumann: Inedia and Stigmata

Unproven

During a Eucharistic retreat, a host reportedly emitted a reddish substance that was subsequently identified by laboratory analysis as human blood of type AB, appearing to originate from within the host rather than from an external source.

eucharistic·Tixtla, Guerrero, Mexico

Eucharistic Miracle of Tixtla, Mexico (2006)

Unproven

The 2008 Florida Healing Outpouring drew massive crowds and claimed dozens of healings and twenty resurrections from the dead, but ABC Nightline found not a single claim independently verifiable, and World magazine reported several 'healed' individuals had since died of their conditions.

healing·Lakeland, Florida, USA

Todd Bentley's Lakeland Revival Healing Claims (2008)

Disproven

Self-described psychic Uri Geller was unable to demonstrate any paranormal ability when James Randi advised The Tonight Show to use props Geller had no prior access to, producing an on-air failure that established his method required advance access to objects.

signs·NBC Studios, Burbank, California, USA

Uri Geller Fails Controlled Test on The Tonight Show (1973)

An ancient Roman marble portrait bust of the Emperor Vespasian (Farnese Collection, National Archaeological Museum of Naples).
Unproven

Roman Emperor Vespasian reportedly healed a blind man and a man with a withered limb in Alexandria c. 69 CE, as recorded by Tacitus, Suetonius, and Cassius Dio.

healing·Alexandria, Egypt

Vespasian's Healing Miracles in Alexandria

Disproven

In March 2020, self-styled Bishop Climate Wiseman sold a 'Divine Cleansing Oil' and a £91 'Divine Plague Protection Kit' — oil, a card, and scarlet yarn — marketed with Passover and hyssop scripture as conferring supernatural protection from and cure of COVID-19. A jury convicted him of fraud in 2022; the Court of Appeal dismissed his appeal in 2023, and the Charity Commission found no scientific basis for the claims.

other·London, England (the Kingdom Church, Camberwell)

Bishop Climate Wiseman's 'Plague Protection Kit'

Disproven

Faith healer W.V. Grant was exposed by James Randi for faking leg-lengthening healings and using prayer-card cold reading, then convicted by the IRS in 1996 for failing to report $375,000 in taxable income.

healing·United States (Dallas, TX base)

W.V. Grant: Faith-Healing Cold Reading Caught on Undercover Video (1986)