2,554 published verifications avg. score 5.6/10 1,246 rated true or mostly true 1,065 rated false or mostly false
“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.”
Independent news reports quote Chapman’s leadership saying the company had sourced some fruits and nuts from U.S. suppliers for about three decades or longer. The wording is measured rather than overstated, and the available evidence directly matches both the scope and the duration.
“A published Bayesian analysis estimates the probability that God exists.”
Published sources show that Stephen D. Unwin's book applies Bayes' theorem to estimate the probability that God exists, commonly reported as 67%. That is enough to satisfy the claim. The evidence supports the existence of such a publication, not the correctness or acceptance of its reasoning.
“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 share of adults with statutory health insurance outpatient claims who had at least one documented mental disorder diagnosis (ICD-10 F00–F99) increased from 35.0% in 2012 to 40.9% in 2022.”
The RKI did report an upward trend, but not the one stated here. For 2012–2022, official RKI sources report 33.4% rising to 37.9%, while the 40.9% figure belongs to 2024 in a different RKI indicator series. The claim therefore combines real RKI numbers from different years and datasets, which materially changes the factual takeaway.
“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.”
Available evidence does not support increased help-seeking as the main driver of Germany’s 2012–2022 rise in outpatient mental-disorder diagnoses. Authoritative RKI and peer-reviewed analyses describe several plausible contributors, including diagnostic and documentation changes, coding and system effects, longer treatment duration, demographic factors, and COVID-related influences. The increase in diagnoses is well documented, but the claimed dominant cause is not.
“A 2025 Robert Koch Institute (RKI) report stated that a key explanation for the increase in outpatient diagnoses of mental disorders is that people may be increasingly seeking help due to destigmatization.”
The report did say that increasing outpatient mental-disorder diagnoses may partly reflect more people seeking help, including because mental disorders are becoming less stigmatized. However, it presented this as one possible explanation among several and also pointed to longer diagnosis or treatment duration as an important driver. The claim is substantively accurate but slightly overstates the report’s emphasis.
“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.”
Reliable reference sources support the claim. Kaya is commonly defined as a coconut jam or spread made from coconut milk and eggs, typically with sugar and often pandan added. Terminology varies slightly across sources, but the core description is accurate.
“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.
“Popular Singapore breakfasts besides kaya toast include roti prata and bak chor mee.”
Roti prata is well established as a popular Singapore breakfast beyond kaya toast. Bak chor mee is also eaten in the morning and sold at breakfast hours, but the evidence more often shows it as a common hawker dish than an explicitly breakfast-defining staple. The claim is broadly accurate, with the main caveat that bak chor mee's breakfast status is less firmly documented than roti prata's.