Hoax Museum Blog: Science

New study shows how damage to a specific region of the brain can cause gullibility — Gullibility sometimes increases as people grow old. For which reason, the elderly are victims of financial scams in disproportionately high numbers. New research, published in Frontiers in Neuroscience, has now linked this age-related gullibility to deterioration of a specific area in the brain — the vmPFC (ventromedial prefrontal cortex).


The researchers showed a series of ads to 18 patients with damage to the vmPFC. Some of the ads were deceptive (and contained clues to that effect). For instance, one ad for a (fictitious) product named NatureCure described a 'natural' pain reliever that supposedly provided headache relief "without the side effects of over-the-counter pain relievers." But a disclaimer at the bottom of the ad noted, "This product can cause nausea in some consumers when taken regularly."

The patients with damage to the vmPFC proved twice as likely to believe the deceptive ads, compared to a control group of people who had damage to other parts of their brain and a group with no brain damage.

At the end of their article, the researchers point out an interesting implication of their study — that skepticism and doubt require far more mental work than belief:

This study adds to the growing evidence that belief and disbelief are not governed by balanced cognitive processes. Belief is first, easy, inexorable with comprehension of any cognition, and substantiated by representations in the post-rolandic cortex. Disbelief is retroactive, difficult, vulnerble to disruption, and mediated by the vmPFC. This asymmetry in the process of belief and doubt suggests that false doctrines in the 'marketplace of ideas' may not be as benign as is often assumed. Indeed, normal individuals are prone to misleading information, propaganda, fraud, and deception, especially in situations where their cognitive resources are depleted. In our theory, the more effortful process of disbelief (to items initially believed) is mediated by the vmPFC; which, in old age, tends to disproportionally lose structural integrity and associated functionality. Thus, we suggest that vulnerability to misleading information, outright deception, and fraud in older persons is the specific result of a deficit in the doubt process which is mediated by the vmPFC.

The article doesn't discuss the legal implications of the study, but I wonder if it might be helpful in cases where courts need to determine whether someone is no longer competent to manage their own affairs. For instance, middle-aged children often become worried about their elderly parents falling prey to scammers, and so they try to acquire guardianship over them. However, current legal tests of mental competence tend to focus on things such as arithmetic skills, not gullibility. So a test that could demonstrate deterioration of the vmPFC might have relevance in objectively assessing if guardianship is necessary.
Posted: Mon Aug 20, 2012.   Comments (1)

Is lying bad for your health? — Bad news for hoaxers -- A new scientific study reports that lying less results in better health. (Links: apa.org, eurekalert.org)

The study hasn't been peer-reviewed/published yet, but preliminary results were reported at the 120th Convention of the American Psychological Association. The study tracked 110 people, half of whom were instructed to tell fewer lies for 10 weeks, and the other half received no special instructions about lying. At the end of 10 weeks, the non-liers reported significantly better health.

What I wonder is how the researchers could know that the no-lying group wasn't lying about lying less. The researchers said they gve the participants regular polygraph tests, but those tests aren't exactly reliable.

Also, ten weeks is a fairly short span of time. The apparent effect might disappear over one or two years.
Posted: Thu Aug 09, 2012.   Comments (2)

Use your left ear to detect lies —

image source: megafon
A study reported in the journal Laterality (Mar 2005) found that people are significantly better at detecting lies with their left ear than their right ear. The reason is that left-ear information is processed by the brain's right hemisphere, which apparently is better at detecting deception than the left hemisphere. (For instance, studies have shown that people with right-hemisphere damage have trouble detecting lies.)

In the ear study, 32 participants listened to 112 pre-recorded statements, using either their right or left ear, and then were asked to determine which statements were true or false. The results, from the study:

Participants were significantly more accurate when statements were played through the left ear (M = 61.33%, SE = 1.26) than the right ear (M = 56.41%, SE = 1.09). These data suggested a general right hemisphere advantage in deception detection...
We also examined the possibility that certain participants were over-responding. For example, if a participant gave all true responses, s/he would be correct for all the true statements and incorrect for all the false statements. To test this possibility, we examined individual participant responses. Two participants were identified as "over-responders" using an outlier analysis (Tabachnick & Fidell, 2001, p. 67). One of them provided significantly more "yes" responses and the other significantly more "no" responses (ps < .05). When the data were re-analysed, similar results were obtained. There was a significant main effect for Ear (p < .007) and Truth/Lie (p < .001), but no significant interactions. Therefore, the results were likely not a result of response bias...
In conclusion, there was a left ear advantage when detecting statement veracity. Participants were significantly more accurate in determining the truthfulness of a statement when hearing it through the left ear. These data support the hypothesis that the right hemisphere is involved in detecting deceit. Further, they extend the literature on the possibility of using ear advantage as a gauge of hemispheric involvement.

I'm not sure if this has any practical applications. Although I wonder if poker players might gain an advantage if they put an ear plug in their right ear, forcing themselves to listen to other players with their left ear.
Posted: Fri Aug 03, 2012.   Comments (4)

The Mystery of the Burnley River Skull — Back in May, a Lancashire couple, Mick and Elaine Bell, found a human skull in a shallow section of the Burnley River while out walking their dogs.

They gave the skull to the police, who initially suspected that rain had washed it down from a nearby cemetery. But as forensic experts examined it, they grew puzzled. The features of the skull indicated the person had been a man who was either an Australian aboriginal or from a South Pacific Island. How had he ended up buried in Lancashire?


Elaine Bell with the skull

Carbon dating the skull produced no results. Initially the scientists thought this was because the bone was fossilized, but after subjecting it to chemical tests, they realized it was a fake, cast from a real skull.

The mystery deepened because it was a really good fake — much better than the kind that are typically commercially available — featuring details such as a fracture, incision marks indicating a pre-death operation, and signs of infection around the nose and mouth.

Currently, the police still don't know what substance the skull is made out of, nor how long it was in the river. Det. Supt. Charlie Haynes offers their best guess about what this thing is: "In the early 1800s skulls from Papau New Guinea were collectable - which ties in with the features of this skull. It may be a very accurate replica of a collectable."

The question is, why would someone have buried a very expensive fake skull? Perhaps it was buried back in the 19th Century by someone trying to perpetrate an archaeological hoax?

Links: Lancashire Telegraph, Burnley Express.
Posted: Wed Jul 11, 2012.   Comments (5)


A Global Warming Hoax from 1874 — I periodically receive emails from people who insist I need to add global warming to the site because it's the "biggest hoax in human history." I don't agree with that. Actually, I think global warming is something that definitely merits being worried about. However, I did just add a global warming hoax to the hoax archive, which might make the global-warming-is-a-hoax crowd happy. Except that this hoax occurred in 1874.

It's a story that appeared in U.S. newspapers in February 1874. The premise was that scientists had discovered the earth was getting hotter and hotter. Europe was predicted to be tropical in 12 years, and soon after that the planet would become too hot to support life. The cause of this warming wasn't carbon emissions, but rather the recent laying of transatlantic telegraph cables, which were supposedly acting like giant electromagnets, pulling the earth into the sun.

This was a very minor nineteenth-century hoax. It didn't generate much interest at the time because it was pretty far-fetched. But it's more interesting to us today because of its depiction of man-made global warming. In fact, I suspect it may be the earliest fictional portrayal of global warming caused by man's technology. At least, I can't find any earlier examples.

The full article about the hoax is in the hoax archive. I've redirected comments there to avoid having duplicate threads.


Posted: Mon May 21, 2012.   Comments (0)

The Fake Science Blog — The Fake Science Blog has been around for over two years, but I just found out about it. It describes itself as being "for when the facts are too confusing." Lots of great stuff! Seems to be a new post about once every 4 or 5 days. Here's a few samples:








Posted: Tue Apr 24, 2012.   Comments (1)

Social Psychologist Fabricates Data — A committee at Tilburg University (in the Netherlands) has determined that the social psychologist Diederik Stapel is guilty of fabricating data in multiple studies. Staepl has admitted his guilt, saying he "failed as a scientist". From sciencemag.org:

The panel reported that [Stapel] would discuss in detail experimental designs, including drafting questionnaires, and would then claim to conduct the experiments at high schools and universities with which he had special arrangements. The experiments, however, never took place, the universities concluded. Stapel made up the data sets, which he then gave the student or collaborator for analysis, investigators allege.

An odd touch of irony: Some of Stapel's earlier work included investigating how psychologists would react to a plagiarism scandal.
Posted: Tue Nov 01, 2011.   Comments (3)

Margaret Mead Redeemed? — A new salvo has been fired in the ongoing controversy about whether the anthropologist Margaret Mead was "hoaxed" during her research in Samoa in 1925. I've got a brief article about the controversy in the hoax archive. To summarize: Mead traveled to Samoa, interviewed some teenage girls about their sexual behavior, and concluded that Samoan culture had very relaxed, easygoing attitudes about sex. Almost sixty years later Derek Freeman challenged her findings and claimed that the teenage girls had told her wild tales, which she had been gullible enough to believe. Freeman's claims were partially based on the testimony of one of Mead's interviewees, Fa'apua'a, whom he tracked down in Samoa.

Paul Shankman has now written The Trashing of Margaret Mead in which he comes to Mead's defense. Skeptic.com has posted an excerpt from his book. Shankman argues:

Freeman stated his argument so boldly and presented it with such certainty that it seemed believable. In fact, it seemed foolish not to believe him. Almost no one thought that it might be a good idea to look at the actual interviews with Fa’apua’a and to ask if Freeman’s certitudes about the value of her testimony were warranted. These unpublished interviews with her demonstrate that there is no compelling evidence that Mead was hoaxed. It was a good story — a story that many people wanted to believe. Alas, it was a story that was too good to be true.

(Thanks, Joe!)
Posted: Mon Dec 21, 2009.   Comments (6)

Stalin, black orchids, and Eva Peron — Lorena writes to ask:

You seem to know a lot about hoaxes so....I am doing some
research, and I was asked if the story about Stalin sending black orchids
to Eva Peron's funeral are a hoax. Problem is, I can't even find stories
about it at all. Have you ever heard this?

I'm flattered Lorena thinks I might be knowledgeable enough to have the answer to this, but unfortunately I've never heard the story before and can't find any references to it. In a July 28, 1952 Associated Press article, "Mile-Long Lines View Remains," I found a reference to the flower arrangements at Peron's funeral:

The blonde wife of President Juan D. Peron lay in state in the hall of the labor ministry, in a glass-topped casket of mahogany, draped in white orchids, awaiting a full military funeral tomorrow afternoon. Tons of lilies, roses and carnations packed the hall and overflowed into the streets outside. Crowds of somberly dressed sober-faced mourners were first admitted to the improvised chapel Sunday afternoon and continued in an endless procession throughout the night and morning.

No mention of black orchids or Stalin.

A recent article in the journal International Affairs ["Stalin Meets the Argentine Ambassador," 3(52), 2006, 175-181], discusses a 1953 meeting between Stalin and Leopoldo Bravo, the Argentine ambassador in Moscow. During the course of their conversation Stalin apparently mentioned his interest in Eva Peron:

Other issues were also discussed during the conversation. Stalin was particularly interested in why Peron's wife—Eva Peron—was so popular, was it her personality, or the fact that she was the president's wife. Not an easy question to answer, particularly since Eva had died six months before. The ambassador's reply implied that she was popular for both reasons.

But again, no mention of Stalin having sent black orchids to her funeral.

I should also point out that while there are plants commonly referred to as "black orchids," they're not actually black. They're a dark maroon or brown. There is no such thing as an orchid that is truly black. The Auckland Museum is currently hosting an exhibit, Wonderland: The Mystery of the Orchid. According to them:

A few species of orchids have acquired the name "Black Orchid" by virtue of their very dark intense colour, while not black, which tends to the dark brown and maroon.
One of these is the Australian native orchid, Cymbidium canaliculatum var. sparkesii, a form of C. canaliculatum that has rich intense dark maroon flowers, with a touch of white and dark purple on the labellum. A species of the drier open eucalyptus forest, it grows high in the trees from hollow branches and crevices. The spikes are produced in numbers and bear many deep maroon flowers which are fragrant.
The original "black orchid", Trichoglottis brachiata (or T. philippinensiis var. brachiata), an erect monopodial species that likes to climb, is an entirely different type of orchid from the perching Cymbidium. T. brachiata is native to Borneo, Philippines and Sumatra and the many flowers are produced at the nodes along the stem. Each flower is up to 5 cm across, a rich velvety dark maroon, the lip prominently marked purple. The flowers are fragrant and long lived.

Posted: Wed Oct 21, 2009.   Comments (8)

The Piltdown Man: The Play — A new play opening at Chicago's Steppenwolf Theater, Fake by Eric Simonson, is based on the Piltdown Man hoax. It looks pretty good, but I can't find any indication if there are plans for it to go on tour and come to San Diego.

In 1914, renowned mystery writer Sir Arthur Conan Doyle invites four guests to his English country home. Each visitor has a connection to the infamous "Piltdown Man," purported to be the missing link between ape and man—later exposed as a hoax. Swinging back and forth through time, Fake investigates how “Piltdown” rattled assumptions about evolution, faith and science—and how we are transformed by our quest for the truth.

Posted: Wed Sep 23, 2009.   Comments (1)

Are women getting more beautiful? — The Times Online reports on a recent study by University of Helsinki researcher Markus Jokela, who found that women are getting more beautiful:

Scientists have found that evolution is driving women to become ever more beautiful, while men remain as aesthetically unappealing as their caveman ancestors.

The article doesn't mention where Jokela published his study, so I'll have to go by the article's description of his work. But on the basis of that, his claim is absurd. Beauty isn't something like height that can be objectively tracked and measured over time. Standards of beauty change over time and across cultures. Which makes it meaningless to say that women are getting more beautiful.

The Gene Expression blog also criticizes Jokela's claim, pointing out that "males and females inherit half their genes from an opposite sex parent." Which means that if gorgeous women are mating with ugly cavemen, their children will be half ugly caveman, which contradicts Jokela's thesis.
Posted: Tue Jul 28, 2009.   Comments (13)

Margaret’s Stain — A stain, shaped like a human body, can be found on the concrete floor of the Athens Mental Health and Retardation Center in Athens Ohio. According to legend, this stain marks the location where the body of a patient, Margaret Schilling, lay undiscovered for several weeks back in 1979.

A team of forensic scientists recently tested the stain to determine whether it's a genuine human decomposition stain, or if it was created artificially. They published the results of their investigation in the Nov 2008 issue of the Journal of Forensic Sciences (vol 53, no. 6), "Analysis of Suspected Trace Human Remains from an Indoor Concrete Surface."

Their conclusion: Yes, it's a human decomposition stain, although the stain has been made more prominent over the years by attempts to remove it:

Margaret’s body was probably in contact with the area of the stain for a period of 4–5 weeks. During this time, significant decomposition is known to have occurred, indicating that the room was apparently warm enough to facilitate bacterial degradation. During this time, anaerobic bacterial decomposition could have taken place in the contact areas between the concrete and the heavier, fatty areas of Margaret’s body, such as the buttocks, back and shoulders. Bacterial action is supported by the oddnumbered fatty acids found in the residues. Such decomposition, facilitated by the moisture naturally present in Margaret’s body, formed free fatty acids from the lipids in her subcutaneous tissue. This process may have been accompanied, in part or in whole, by the basic conditions provided through contact with the concrete. During the 4- to 5-week period in which the free fatty acids were being formed, and in any subsequent washing over the years, at least half of the sodium ions were displaced by calcium ions from the concrete. The result is a waxy residue of mostly calcium palmitate which is up to 2 mm thick in certain areas of the stain.In most areas of the stain, the waxy residue also resides in surface pores in the concrete, consistent with the suggestion that removal of the stain was attempted on at least one occasion.

At some point since the removal of Margaret’s remains in January of 1979, the floor has likely been treated with an acidic chemical— probably Blu-Lite (20.5% phosphoric acid)—to lighten the color of the waxy residue and of the concrete. The chemical etching was not uniform across the entire floor surface, however, but was selectively restricted to a shape that resembled the apparent outline of a human body.

What a great way to be remembered -- by the stain you left on the floor. (via Legends & Rumors)
Posted: Mon Jul 27, 2009.   Comments (10)

Geographical distribution of Bigfoot same as Black Bear — In its current issue, the Journal of Biogeography has published an article whose authors use ecological niche modelling software to predict the distribution of Sasquatch in western North America. The authors write:

We were stimulated to write this piece as a tongue-in-cheek response to the increasing prevalence of ENMs in the literature and in papers presented at professional meetings. As in any rapidly developing field with the promise of exciting applications, there is the potential for the empirical acceptance of new approaches to outpace conceptual understanding. The point of this paper has been to point out how very sensible-looking, well-performing (based on AUC and threshold tests) ENMs can be constructed from questionable observation data.

The authors then created an ecological niche model for the black bear, Ursus americanus, and discovered that the two models (for Bigfoot and black bear) were remarkably similar, leading them to conclude that "many Bigfoot sightings are, in fact, of black bears." (via New Scientist)
Posted: Mon Jul 06, 2009.   Comments (11)

Journal Accepts CRAP — Cornell grad student Philip Davis describes on Scholarly Kitchen an experiment he designed to test the peer-review process at Bentham Science, a publisher of "open-access" journals. (Open-access journals charge authors for publication, but make the articles available for free.)

He used software to create an article full of computer-generated nonsense, such as, "we discuss existing research into red-black trees, vacuum tubes, and courseware [10]. On a similar note, recent work by Takahashi suggests a methodology for providing robust modalities, but does not offer an implementation [9]."

He told Bentham the manuscript had two co-authors from the Center for Research in Applied Phrenology (CRAP). Four months after submitting it, a Bentham representative told him the manuscript had passed peer-review and would be published in The Open Information Science Journal... assuming he paid the $800 publication fee. He declined the offer. New Scientist has more details.

Four years ago a group of MIT students pioneered the "computer-generated article" hoax when they submitted a nonsense paper that was accepted for presentation at the World Multi-Conference on Systemics, Cybernetics and Informatics Conference. Though you can go back to 1944's Ern Malley hoax for an example of hoaxers submitting nonsense for publication.
Posted: Thu Jun 11, 2009.   Comments (5)

The Science Channel’s Top 10 Science Hoaxes — The Science Channel has a list of the Top 10 Science Hoaxes. I'm giving it a thumbs down, because it's a pretty feeble list. It's the kind of thing someone who didn't know much about science or hoaxes might put together by surfing the web for a few hours.

It starts off with Harold Miner's analysis of the Nacirema tribe at #10. This is a famous anthropological satire (Nacirema is American spelled backwards), but I wouldn't consider it a hoax, unless any comedy or fiction can count as a hoax.

El Chupacabra comes in at #3. (Should El Chupacabra even count as science?)

A better list was put together by Tim Radford and published in the Guardian back in 2003.

One of these days I need to write a Top 10 Science Hoaxes list of my own. I'll add it to my list of things to do.

Thanks to Bob for the link!
Posted: Fri May 29, 2009.   Comments (6)

The Science of Whoopee Cushions — Science has determined the funniest whoopee cushion sound, based on a survey of 34,000 people. It is a long, whiny fart, lasting at least seven seconds. Young, European women tend to be most amused by fart sounds, relative to other demographic groups. And the noise of flatulence gets funnier the more you listen to it. The research was conducted by acoustics Professor Trevor Cox of the University of Salford, working in conjunction with the charity Comic Relief.

My theory is that farts were the very first form of jokes. Cavemen sitting around and farting to make each other laugh. So by this time, our brains are pretty much hard-wired to find them amusing. (via The Telegraph)
Posted: Wed Mar 18, 2009.   Comments (12)

What are women thinking? — A new study published in Psychological Science reveals that women are far more skilled at faking romantic interest than men. The experiment involved a speed-dating session. Observers were asked to guess how the men and women felt about each other. Turns out it was easy to guess how the men felt, but no one had a clue how the women felt. The researchers could have simply asked any average guy who would have told them that, most of the time, we have no clue what women are thinking. That's the feminine mystique. Link: Chicago Tribune.
Posted: Tue Feb 03, 2009.   Comments (3)

Cello Scrotum — I was planning on taking a hiatus from posting until February, but this one is too good to pass up. Thanks to everyone who emailed me about it.

Back in the 1970s Elaine Murphy noticed an unusual condition, Guitar Nipple, described in the British Medical Journal. She suspected it might be a hoax, which inspired her to invent a similar bizarre condition, Cello Scrotum, which she detailed in a letter to the journal. She got her husband to send the letter in his name.

Thirty years on the couple noticed someone had referenced their report, and so they decided it was time to come clean.

Coincidentally, there is a medical condition called Violin Deformity. It's the name plastic surgeons use to describe excessively wide hips.

And, of course, the Murphys were not the first scientific spoofers. I've reported previously on one Dr. Egerton Yorrick Davis who wrote a letter to Medical News back in 1884 describing "an uncommon form of vaginismus". He claimed to have treated a couple who became locked together during intercourse as a result of a vaginal spasm. The letter was a hoax, and its true author was Sir William Osler.

I'll begin regular posting again on Monday.
Posted: Thu Jan 29, 2009.   Comments (15)

Animals That Lie — A NY Times article about the biology of deceit notes that among primates there's "a direct relationship between sneakiness and brain size." It offers this story:

chimpanzees or orangutans in captivity sometimes tried to lure human strangers over to their enclosure by holding out a piece of straw while putting on their friendliest face.
“People think, Oh, he likes me, and they approach,” Dr. de Waal said. “And before you know it, the ape has grabbed their ankle and is closing in for the bite. It’s a very dangerous situation.”

Apparently dolphins are also capable of deceit:

After dolphin trainers at the Institute for Marine Mammals Studies in Mississippi had taught the dolphins to clean the pools of trash by rewarding the mammals with a fish for every haul they brought in, one female dolphin figured out how to hide trash under a rock at the bottom of the pool and bring it up to the trainers one small piece at a time.

My cat is definitely capable of deception. Sometimes she'll pretend to be sleeping, but when you walk by her, Whack!, she gets you with her paw.
Posted: Tue Dec 23, 2008.   Comments (10)

The Turkey-Tryptophan Myth, and why do big meals make you drowsy? — Thanksgiving is approaching, which means the "turkey makes you tired because it has high levels of tryptophan" urban legend shall once again be heard at tables throughout America. Baylor College of Medicine dietitian Rebecca Reeves debunks this legend in an interview with the Houston Chronicle:

Q: So the tryptophan in turkey doesn't make you sleepy, right?

A: I am not sure how (that) gained wide acceptance. The urban legend is that the tryptophan in turkey is what makes you sleepy on Thanksgiving. Yes, the amino acid tryptophan is present in turkey, and in certain doses it can make you sleepy. But in reality, you'd need to eat an entire 40-pound turkey to get enough tryptophan to make a difference.

But her explanation of why people actually get tired after Thanksgiving dinner raises more questions in my mind than it answers:

Q: So why do people take a nap on the couch?

A: It's probably more due to alcohol. Or it could be that you got up that morning early to travel. Or it's been a long, beautiful day, and you're just tired. I hate to even mention this, but I've seen claims that because you're increasing your carbohydrates, you're increasing your blood sugar, maybe this could lead to sleepiness. But I'm not sure I agree with that.

Why is she doubtful that increasing carbohydrates (and thereby increasing blood sugar) can make you tired? She doesn't offer an explanation. Wikipedia offers a good summary of the "increased carbohydrates makes you tired" theory, and it sounds reasonable to me (more reasonable than the theory that the drowsiness is all due to having had a few beers, or the fact that it's been "a long, beautiful day"):

It has been demonstrated in both animal models and in humans that ingestion of a meal rich in carbohydrates triggers release of insulin. Insulin in turn stimulates the uptake of large neutral branched-chain amino acids (LNAA) but not tryptophan (trp) into muscle, increasing the ratio of trp to LNAA in the blood stream. The resulting increased ratio of tryptophan to large neutral amino acids in the blood reduces competition at the large neutral amino acid transporter resulting in the uptake of tryptophan across the blood-brain barrier into the central nervous system (CNS). Once inside the CNS, tryptophan is converted into serotonin in the raphe nuclei by the normal enzymatic pathway. The resultant serotonin is further metabolised into melatonin by the pineal gland. Hence, these data suggest that "feast-induced drowsiness," and in particular, the common post-Christmas and American post-Thanksgiving dinner drowsiness, may be the result of a heavy meal rich in carbohydrates which, via an indirect mechanism, increases the production of sleep-promoting melatonin in the brain.

Posted: Sun Nov 23, 2008.   Comments (12)

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