Library

2213 published verifications avg. score 5.4/10 987 rated true or mostly true 901 rated false or mostly false

“Sigmund Freud said, "Sometimes a cigar is just a cigar.”

False

The attribution is not supported by the evidence. Authoritative references and quotation research find no verified Freud writing or recorded remark containing “Sometimes a cigar is just a cigar,” and they classify it as apocryphal. The main support is a later unsourced secondary mention, which is too weak to prove Freud actually said it.

“The Aztec Empire greatly predates any existing universities.”

False

The historical timeline runs in the opposite direction. Universities that still exist today, including Bologna and Oxford, were established in the late 11th century, while the Aztec Empire arose much later, with Tenochtitlan founded in 1325 and the empire taking shape in 1428. The claim is therefore not supported by the evidence.

“Oxford University existed before the Aztec Empire.”

True

Authoritative histories place teaching at Oxford by 1096 and the university’s development in the late 1100s, while the Aztec Empire is generally dated from 1325 or, more narrowly, 1428. Even using Oxford’s later documentary milestones, Oxford still predates the empire by decades to centuries.

“During the Middle Ages, scholars thought the Earth was round.”

True

Historical evidence shows medieval scholars generally regarded Earth as spherical. Primary texts and standard scholastic teaching support that conclusion, especially in Latin Christian and university contexts. The common idea that medieval thinkers believed in a flat Earth is largely a later myth and often confuses popular belief with learned scholarship.

“Avril Lavigne was replaced by her body double.”

False

The claim is not supported by any credible evidence. Major news outlets, reference works, and fact-checks consistently describe the story as a long-running hoax, and Avril Lavigne has repeatedly denied it. The supposed proof consists of subjective observations and internet rumor, not verifiable records showing any replacement occurred.

“A person's true name can be used to force them to obey your commands.”

False

The claim is not supported by credible evidence. Reliable sources describe “true-name” control as a motif from mythology, occult tradition, and fantasy fiction, while scientific and philosophical sources find no mechanism by which knowing a name can compel obedience. Names can influence attention or social response, but not override free will or enforce commands.

“A person's true name can be used to look up information about them in public databases.”

True

Many public databases do allow name-based searches, including court, campaign-finance, and archival records. The evidence supports the core point that a real name can function as a search key in public systems. Limits still matter: access is not universal, and some sensitive records are restricted by law or privacy rules.

“Eve was the first woman ever to live.”

False

The claim is not supported as a factual statement about human history. Genesis presents Eve as the first woman within a religious creation narrative, but modern genetics, paleoanthropology, and mainstream reference works indicate humans emerged from populations rather than from a single first woman. Confusing biblical Eve with “mitochondrial Eve” is also incorrect, since mitochondrial Eve was not the first woman alive.

“Humans evolved gradually, so there was no first woman.”

Mostly True

The core idea is sound: human evolution did not produce a single, clear-cut first human woman. Evolution works through gradual changes across populations, so there is no sharp biological moment when one female was the first fully human woman. The claim overstates slightly because named ancestral women such as mitochondrial Eve existed, but they were not the first woman and lived among many others.

“Elon Musk is the richest person in the world who didn't finish high school.”

False

The claim is not supported because Elon Musk is not credibly shown to be a high-school non-completer. Authoritative biographies say he earned two bachelor’s degrees and dropped out of Stanford’s graduate program, not high school. Some sources also explicitly state he graduated from Pretoria Boys High School, while “world’s richest” rankings are time-sensitive.

“An AI does not know whether it is conscious.”

Mostly True

The evidence supports this as a claim about current AI, not as a timeless rule. Existing AI systems have no established way to detect or confirm their own consciousness, and their self-descriptions are better explained as generated outputs than privileged self-knowledge. The statement overreaches only because some philosophical accounts leave open the possibility that a different, genuinely conscious AI could know this in principle.

“The tooth fairy collects baby teeth placed under a pillow.”

Mostly True

The statement matches a widely documented folklore tradition: children put baby teeth under a pillow, and the Tooth Fairy is said to collect them. The evidence does not support a literal real-world being performing the act, and the custom is culturally specific rather than universal. As a description of the tradition, it is accurate.

“Baby teeth placed under a pillow are usually collected by a child's parents or guardians.”

True

Available evidence supports the ordinary meaning of the statement. In the under-pillow tooth fairy tradition, parents or guardians are typically the ones who remove the tooth and leave a reward. Some families handle the ritual differently, and many cultures use other tooth-loss customs entirely, but those exceptions do not overturn the usual pattern described here.

“Red shoes bring good luck.”

False

The evidence does not support a general belief that red shoes bring good luck. More reliable sources describe red shoes mainly as symbols of power, danger, moral peril, or fantasy, while the limited luck-related material is narrow, weakly sourced, or culturally specific. A broad statement that red shoes bring good luck overstates the evidence and reverses the main documented associations.

“Red shoes do not have any particular effect.”

False

The claim is not supported because research shows red shoes can affect how people are perceived in specific contexts. Studies on the “red sneakers effect” found changes in status and competence judgments, and broader red-color research links red to attention and dominance-related responses. The effects are not universal, but that does not make them nonexistent.

“Stepping into a lit fireplace and stating a location will instantly travel you to that location.”

False

The claim is not supported by reality and would result in injury, not transport. Scientific sources do not show any mechanism for instantaneous human teleportation through fireplaces, while medical evidence shows open flames cause burns. Even as a reference to Harry Potter fiction, the statement is wrong as phrased: Floo travel requires additional conditions, not simply stepping into a lit fireplace and naming a place.

“Stepping into a lit fireplace will result in being burned.”

True

For an ordinary person, entering an active fireplace would cause thermal injury very quickly. Medical and safety sources agree that open flames, embers, and intensely heated surfaces in a lit fireplace can burn skin within seconds. The exact severity depends on exposure time and protection, but the core claim is supported.

“Crossing paths with a black cat results in bad luck.”

False

The claim is not supported by evidence. Credible sources describe black-cat “bad luck” as a superstition rooted in folklore, not as an empirically demonstrated effect, and some cultures interpret the same encounter as good luck. That means the statement presents a cultural belief as if it were a real causal fact.

“If you cross paths with a black cat, nothing in particular happens.”

Mixed

There is no good evidence that crossing paths with a black cat causes bad luck or any other external outcome. But the statement is too broad as written: black-cat encounters are widely loaded with cultural meaning and can produce real psychological and behavioral effects, even if those effects are not supernatural. A more accurate version would say that black cats do not cause luck or misfortune.

“Neil Armstrong said "That's one small step for a man, one giant leap for mankind" on the moon.”

Mostly True

Armstrong did utter the famous moon-landing line on the lunar surface, but the exact wording is not fully settled. The historical audio clearly supports the quote in substance, yet the word "a" in "for a man" is not clearly audible in the original transmission and remains disputed. Quoting that exact version as definitive is slightly overstated.