2201 published verifications avg. score 5.4/10 985 rated true or mostly true 901 rated false or mostly false
“The cervical region of a tooth is covered by both enamel and cementum simultaneously.”
The statement overstates a variable anatomical relationship. In many teeth, cementum slightly overlaps enamel at the cementoenamel junction, but this is only one common pattern, not a universal rule. Standard dental anatomy also recognizes edge-to-edge contact and gaps exposing dentin, so the cervical region is not inherently covered by both tissues simultaneously.
“Pure water boils at 100 degrees Celsius at sea level (standard atmospheric pressure).”
Authoritative reference sources support this statement as the standard boiling point of pure water at sea-level pressure. The exact thermodynamic value at 1 atm is slightly below 100.00 °C, but 100 °C is the accepted rounded value in general science and education. Differences involving 1 bar versus 1 atm are technical convention issues, not a practical refutation of the claim.
“Lake Baikal in Russia is the deepest lake in the world, with a maximum depth of 1,642 meters.”
Available evidence consistently identifies Lake Baikal as the world’s deepest lake. The 1,642-meter figure is a documented maximum depth used by some references, although other authoritative sources give approximate values such as 1,637 meters or simply “over 1,600 meters.” That small variation reflects measurement and reporting differences, not a real dispute about Baikal’s status.
“The Treaty of Tordesillas was signed in 1494 to divide newly discovered lands between Spain and Portugal.”
The claim matches the historical record. The Treaty of Tordesillas was signed in 1494 and established a line intended to allocate overseas lands between the Spanish and Portuguese crowns. The main caveat is technical: “Spain” is a modern shorthand for the crowns of Castile and Aragon, and the treaty also covered future discoveries, not only lands already known.
“Bipolar disorder is characterized by episodes of mania or hypomania and episodes of depression.”
This is a generally accurate description of bipolar disorder, but it is not a universal diagnostic rule. Major medical sources describe bipolar disorder as involving periods of mania or hypomania and depression, yet Bipolar I can be diagnosed without any prior depressive episode. The claim is best read as a broad characterization rather than a strict criterion.
“The Eiffel Tower is 330 meters tall.”
Available evidence strongly supports the 330-meter figure as the Eiffel Tower’s current official height. The tower’s operator and multiple major news outlets confirm that it reached 330 meters after a new antenna was added in March 2022. The main caveat is that this figure includes the antenna, not just the original iron structure.
“Chapman's Ice Cream sourced some fruits and nuts from suppliers in the United States for more than 30 years.”
The evidence supports long-term U.S. sourcing, but not the specific claim that it lasted more than 30 years. The strongest independent report says some fruit and nut supply contracts were in place for “nearly 30 years,” which falls short of the stated threshold. Other reports confirm U.S. suppliers but do not show any relationship lasted beyond 30 years.
“A published Bayesian analysis estimates the probability that God exists.”
The evidence shows that published works have used Bayesian reasoning to estimate the probability that God exists. Stephen D. Unwin’s book gives an explicit numerical estimate, and Richard Swinburne’s Oxford-published work argues theism is more probable than not using Bayesian methods. The key caveat is that these are philosophical or popular-level analyses, not objective scientific measurements or evidence of consensus.
“Artificial intelligence is not environmentally sustainable.”
AI currently has significant and often growing environmental impacts, especially in energy, water, and hardware use. But the evidence does not support the blanket claim that AI is inherently or universally environmentally unsustainable. Authoritative sources describe both serious harms and credible pathways to lower-impact “Green AI,” with overall sustainability depending on design choices, electricity mix, and lifecycle management.
“A 2025 Robert Koch Institute report found that, in Germany, the proportion of adults diagnosed with a mental disorder in outpatient care increased from 35.0% in 2012 to 40.9% in 2022.”
The increase itself is supported, but the claim overstates what the evidence shows. Available sources back a rise from 35.0% in 2012 to more than 40% in recent years, yet they do not substantiate the exact figure of 40.9% for 2022 or clearly tie it to a distinct 2025 Robert Koch Institute report. The wording also blurs that this is outpatient administrative diagnosis data, not overall population prevalence.
“The increase in outpatient diagnoses of mental disorders in Germany from 2012 to 2022 was largely caused by previously untreated or unrecorded mental health problems becoming visible due to increased help-seeking.”
Increased help-seeking likely made many previously untreated or unrecorded mental health problems visible in Germany’s outpatient system, but the evidence does not show this was the main cause of the 2012–2022 rise in diagnoses. Authoritative sources describe several concurrent drivers, including coding and documentation changes, billing incentives, and service expansion. Because those contributions cannot be reliably separated, “largely caused” overstates what the evidence supports.
“A 2025 report by the Robert Koch Institute stated that a key explanation for the increase in outpatient diagnoses of mental disorders is that people may be increasingly seeking help due to destigmatisation.”
The cited evidence does not verify that a 2025 Robert Koch Institute report made this specific statement. The only clearly identified 2025 RKI publication in the record addresses survey-based prevalence and methodological differences, not rising outpatient diagnoses attributed to destigmatisation. Reduced stigma may indeed increase help-seeking, but that broader idea does not prove the claimed RKI wording or attribution.
“Plants take in carbon dioxide during photosynthesis and convert it into sugars and plant tissue.”
The claim accurately describes the core biology. Plants use photosynthesis to fix carbon dioxide into sugars, and those sugars supply the carbon used to build plant tissue. The only notable caveat is that tissue formation happens through downstream metabolic steps rather than as an immediate single-step product of the Calvin cycle.
“Animals, plants, and microbes release carbon dioxide through respiration.”
The statement matches established biology. Animals, plants, and microbes all can release carbon dioxide as part of cellular respiration, and major scientific sources describe this as a standard component of the carbon cycle. The omitted nuances about photosynthesis in plants and metabolic diversity in microbes do not materially change the claim’s core meaning.
“Decomposers break down dead organisms and return carbon to soils and the atmosphere.”
Decomposers are a core part of the carbon cycle. Evidence from major scientific and educational sources shows they break down dead organisms, release carbon to the atmosphere, and contribute carbon to soils through organic matter formation. The exact pathway and proportion vary by environment, but the claim accurately states their general role.
“Some carbon is stored long-term in soils, oceans, sediments, rocks, and fossil fuels.”
The evidence clearly supports this statement. Major scientific sources identify soils, oceans, sediments, rocks, and fossil fuels as carbon reservoirs that contain at least some carbon stored for long periods. The main nuance is that storage times vary widely across and within these reservoirs, especially in soils and the ocean.
“Human activities, especially burning fossil fuels and land-use change such as deforestation, are altering the global carbon cycle by increasing atmospheric carbon dioxide concentrations.”
The evidence firmly supports this statement. Multiple authoritative scientific assessments and direct atmospheric measurements show that burning fossil fuels and land-use change have raised atmospheric CO2 and altered the global carbon cycle. Natural sources of CO2 exist, but they do not explain the sustained modern increase, which is attributable to net human emissions.
“Higher ocean temperatures can stress corals and cause them to expel symbiotic algae (zooxanthellae), leading to coral bleaching.”
Elevated ocean temperatures are a well-established cause of coral bleaching. Major scientific and governmental sources agree that heat stress can disrupt the coral-algae partnership, leading corals to lose or expel zooxanthellae and turn white. The claim is accurate, though bleaching can also be triggered by other stressors and is not always irreversible.
“Kaya is a jam made from coconut milk and eggs.”
The claim captures the core of kaya but leaves out an important part of the usual definition. Kaya is widely described as a sweet coconut-and-egg spread, typically made with coconut milk or cream, eggs, and sugar, often flavored with pandan. So the statement is accurate as far as it goes, but incomplete.
“Singapore breakfast culture is influenced by Chinese, Malay, Indian, and British cultures.”
The evidence strongly supports a multicultural origin for Singapore breakfast culture. Authoritative and academic sources consistently connect common breakfast foods and spaces—such as kopitiams, kaya toast, nasi lemak, and roti prata—to Chinese, Malay, Indian, and British influences. The main caveat is that these influences are not equal in form: British impact is mostly colonial legacy, while some breakfast practices remain culturally distinct.