2201 published verifications avg. score 5.4/10 985 rated true or mostly true 901 rated false or mostly false
“Popular Singapore breakfasts besides kaya toast include roti prata and bak chor mee.”
The claim is well supported. Roti prata is consistently identified in authoritative Singapore sources as a classic breakfast, and official guides also name bak chor mee or similar noodles as common morning fare alongside kaya toast. Bak chor mee is not breakfast-only, but that nuance does not materially undermine the statement.
“Substantive disagreements between AI models on fact-checking outcomes are common.”
Evidence from multiple studies shows that AI fact-checking models often reach materially different verdicts on the same claim, with reported substantive conflicts commonly in the roughly 15% to 30% range on challenging datasets. That is frequent enough to count as common in real-world use. Rates do vary by claim difficulty, ambiguity, prompting, and evidence quality.
“Capitalism tends to promote the natural emergence of monopolies.”
There is solid evidence that many capitalist economies have seen rising concentration and market power, especially in recent decades. But that does not establish that capitalism inherently or naturally produces monopolies. The claim overstates the evidence by treating concentration as monopoly and by omitting the major roles of technology, policy, and antitrust enforcement.
“Portugal's digital nomad visa provides a direct pathway to Portuguese citizenship.”
Portugal’s digital nomad regime does not create a special citizenship track. The residence-permit version can count toward the standard five-year residence requirement for naturalization, but citizenship is a separate, conditional process under nationality law. The claim is misleading because it suggests a built-in or streamlined route and ignores that the temporary-stay version does not lead to citizenship at all.
“Using prescription acne medication at any point during pregnancy is problematic for pregnant women.”
The evidence does not support a blanket claim that prescription acne medication is problematic at any point in pregnancy. Major medical guidance says risk is drug-specific: retinoids are contraindicated, while several prescription options, such as topical clindamycin and azelaic acid, are commonly considered acceptable in pregnancy. The statement wrongly treats the entire category as unsafe.
“Alternative medicine works as well as or better than conventional medicine.”
The evidence does not support the idea that alternative medicine broadly works as well as or better than conventional medicine. A few approaches, such as acupuncture for some pain conditions, may offer modest benefit, but they generally do not outperform standard care. Many others, especially homeopathy, fail rigorous testing, and replacing proven treatment with alternatives can increase harm and mortality.
“Sugar-free soft drinks sweetened with non-sugar sweeteners (for example, Coca-Cola Zero Sugar) are as harmful to teeth as sugar-sweetened soft drinks.”
The claim overstates what the evidence shows. Sugar-free soft drinks can damage teeth about as much as sugary soft drinks in terms of enamel erosion, because both are acidic. But sugary soft drinks also promote cavities by feeding oral bacteria, so they are not generally equal in overall dental harm.
“Salivary amylase cannot break down starch into glucose because the enzyme molecule is too large.”
The evidence shows the claim is not supported. Salivary amylase does begin starch digestion by cutting starch into smaller sugars such as maltose and dextrins, and its molecular size is not a barrier to that action. If the intended point was that salivary amylase does not usually produce free glucose by itself, that is a different and much narrower statement.
“A height of 6 feet 2 inches is approximately the 95th percentile for adult male height in the United States.”
The claim is well supported by U.S. anthropometric data. CDC/NCHS NHANES references place the 95th percentile for adult U.S. men at about 187.3-187.5 cm, while some related analyses put it near 188 cm. Since 6'2" equals 188.0 cm, describing it as approximately the 95th percentile is accurate.
“Win probability models used in sports analytics (for example, ESPN's NBA win probability model) are generally well-calibrated, and their probabilities align reasonably well with observed outcomes, at least compared with typical human intuition.”
The available evidence indicates these win-probability models are broadly calibrated over many games and usually align reasonably well with actual outcomes. They are not perfect: some studies find underdog bias and phase-specific quirks, and they are not clearly superior to simple baseline models. The comparison to human intuition is supported more indirectly than directly, but the overall claim is largely accurate.
“The 2020 United States presidential election was stolen.”
The evidence does not support that the 2020 U.S. presidential election was stolen. Courts, election officials, and federal agencies repeatedly found no credible evidence of widespread fraud or manipulation that could have changed the outcome, and the results were lawfully certified. Isolated irregularities and investigations did not amount to a national scheme or an illegitimate result.
“Poland is a sovereign state with full legal authority over its domestic governance and foreign policy.”
Poland is a sovereign state, but the claim overstates the extent of its legal autonomy. Its constitution and state institutions confirm independent statehood, yet EU treaties accepted by Poland transfer certain powers to the European Union and make EU law binding in those areas. A reasonable reader would be misled by the phrase "full legal authority," which suggests unrestricted unilateral control that Poland does not have.
“In medieval Europe, there were roughly 80 to 100 feast days per year on which work generally stopped.”
The core point holds: medieval Europe had many religious holidays on which ordinary work was often restricted. But 80–100 is not a fixed Europe-wide number; it is a rough estimate that varies by region, century, and counting method, with credible figures both below and above that range. Treat it as an approximation, not a settled annual total.
“Fever can sometimes cure cancer.”
The statement has a small factual basis but gives the wrong real-world impression. Rare historical cases describe tumor regression after febrile infections, and controlled hyperthermia can damage cancer cells, but that is not the same as showing that natural fever is a dependable or accepted cancer cure. In modern medicine, fever in a cancer patient is treated as a warning sign, not therapy.
“In humans, the entire esophagus is fully closed (sealed shut) when not eating, so water cannot drip down into the stomach on its own.”
The practical takeaway is close, but the anatomy is overstated. In normal physiology, the upper and lower esophageal sphincters are closed at rest and the esophageal body is usually collapsed when empty; the whole esophagus is not a uniformly active “sealed shut” tube. That matters because the claim presents an inaccurate mechanism, even though water generally does not just drip into the stomach without swallowing.
“Chariots have been found at the bottom of the Red Sea, proving that the Israelites crossed it after the waters parted.”
No verified archaeological evidence shows that chariot wheels were found on the Red Sea floor. The claim relies on unverified Ron Wyatt-style reports, ambiguous underwater images, and misidentified coral formations, not recovered and authenticated artifacts. Without independent analysis or peer-reviewed documentation, it does not prove an Israelite crossing or parted waters.
“Taking 5,000 IU of vitamin D daily does not cause side effects for most people.”
Serious side effects at 5,000 IU/day are uncommon for many adults, but the claim overstates the safety of that dose. Authoritative guidelines set 4,000 IU/day as the adult upper limit, and trials at similar doses show small but real increases in harms such as hypercalcemia. The practical takeaway is not “no side effects for most people,” but “risk is usually low yet not negligible, especially without medical need or monitoring.”
“A meta-analysis published in 2023 found that taking 3,200 to 4,000 International Units (IU) of vitamin D daily is associated with a higher risk of hypercalcemia.”
The cited 2023 meta-analysis did report that long-term vitamin D supplementation at 3,200-4,000 IU/day was associated with a higher risk of hypercalcemia. The pooled estimate showed a statistically significant increase versus control. Important context is that the absolute excess risk was small and reported cases were often asymptomatic or reversible.
“In the United Kingdom, a company's ultimate beneficial owner (UBO) can be obscured by using nominee shareholders.”
UK law tries to look through nominee shareholders, but nominee arrangements can still hide the real owner from public records or obscure ownership in practice. This is especially true for sub-threshold holdings, layered structures, or non-compliance. The evidence supports the statement as a factual possibility, even though disclosure and AML rules are meant to prevent it.
“Scientists in relevant fields widely agree that the health and environmental effects of the 1979 Three Mile Island nuclear accident were very low.”
The evidence strongly supports a broad scientific view that Three Mile Island caused very low off-site radiological health and environmental harm. Government reviews, academy assessments, and long-term epidemiology generally found exposures near background and no detectable population-level physical effects. A few studies raised limited cancer-signal concerns, and the claim is broad enough to understate psychosocial impacts, so some caution is warranted.