2213 published verifications avg. score 5.4/10 987 rated true or mostly true 901 rated false or mostly false
“A typical cloud has a volume of about 1 cubic kilometer.”
The 1 km³ figure is a common teaching approximation, but it is not a sound general statement about a “typical cloud.” It refers mainly to an idealized fair-weather cumulus cloud, not clouds overall, and newer NASA reporting says average cumulus volumes are closer to 0.2–0.8 km³, with 1 km³ being somewhat large rather than typical. Without that context, the claim overgeneralizes.
“For learners with Autism Spectrum Disorder (ASD), a well-structured educational environment characterized by predictability and smooth transitions is the strongest predictor of both short-term and long-term academic success.”
The evidence supports structured, predictable environments as beneficial for many autistic learners, but not as the strongest predictor of academic success. More rigorous studies point instead to cognitive and developmental factors such as executive functioning, IQ, language, and processing speed, with other influences varying by age and setting. No strong evidence establishes classroom structure and transitions as the top predictor across both short- and long-term outcomes.
“Romania has a higher gross domestic product (GDP) than France.”
Authoritative IMF and World Bank data directly contradict the statement. France’s total GDP is roughly $3.1 trillion, while Romania’s is about $370-$383 billion, leaving France’s economy around eight times larger. Arguments based on faster Romanian growth or selective regional comparisons do not support the claim about national GDP size.
“A conflict between Tarentum and the Roman Republic caused the war between the Roman Republic and Pyrrhus of Epirus.”
The evidence supports the Tarentum–Rome clash as the immediate trigger of the Pyrrhic War. Ancient and modern sources describe Tarentum’s conflict with Rome leading Tarentum to call in Pyrrhus, after which Rome and Pyrrhus went to war. The claim is somewhat simplified because Pyrrhus also had his own expansionist aims.
“Public management applies private-sector management principles such as efficiency, performance measurement, and innovation to public organizations.”
The claim is broadly accurate as a shorthand for modern public-management reforms, especially New Public Management. Strong academic sources show public organizations have adopted private-sector ideas like efficiency, performance measurement, and innovation. The important caveat is that these ideas are adapted to public-sector legal, political, and accountability constraints and do not define the whole field of public management.
“Public administration focuses on processes, systems, and structures for implementing public policies, emphasizing compliance with rules, procedures, and regulations.”
The claim captures a real core of public administration: putting public policy into practice through bureaucratic systems, formal procedures, and legal constraints. However, it is incomplete as a general description of the field. Public administration also includes management, budgeting, personnel, performance, leadership, and public engagement, not just rule compliance.
“Suggestopedia is an effective teaching method for improving learning outcomes.”
Suggestopedia may help in some language-learning settings, but the evidence does not support a broad claim of effectiveness for improving learning outcomes generally. The main positive meta-analysis is decades old and based on studies with methodological weaknesses. More recent summaries note inconsistent replication, disputed strong claims, and major limits on where the method works well.
“A video promoting an "earn money" scheme genuinely shows the current Chief Executive of the Hong Kong Special Administrative Region endorsing the scheme.”
The video is not an authentic endorsement by Hong Kong’s Chief Executive. Official government statements say the clip is AI-generated or otherwise forged and was used in an investment scam, and multiple news reports describe it as a deepfake. The existence of a video depicting him does not mean the endorsement actually occurred.
“Vitamin K helps vitamin D absorption for bone health.”
The evidence does not show that vitamin K helps the body absorb vitamin D. What reliable sources do support is that vitamins D and K can work together in bone health through different roles: vitamin D helps regulate calcium and induces certain proteins, while vitamin K activates some of those proteins. That makes the claim directionally related to a real interaction, but wrong in its stated mechanism.
“Boron helps with magnesium metabolism in humans.”
Evidence supports a modest effect of boron on how the body handles magnesium, but the evidence base is limited and does not show a broad clinical benefit for everyone. Human studies and NIH-reviewed literature report changes such as higher serum magnesium or lower urinary magnesium loss with boron supplementation. However, these findings come mainly from small, context-specific studies.
“Hantavirus infection can be transmitted from an infected person to other people during the incubation period.”
The claim is not supported by the evidence. Public-health authorities state that person-to-person transmission is mainly associated with Andes virus, not hantaviruses generally, and available evidence points to transmission primarily at or after early symptom onset. At most, a very limited pre-symptomatic window near symptom onset has been discussed, which is not the same as saying transmission occurs during the incubation period broadly.
“A person infected with hantavirus transmits the virus to an average of three other people.”
The evidence does not support an average of three secondary infections per hantavirus case. Public-health agencies state that hantaviruses are usually acquired from rodents, not other people, and documented person-to-person spread is limited to Andes virus and is rare. Reports of 3-4 onward infections describe unusual cluster maxima, not the average infected person.
“Hantavirus is less infectious than SARS-CoV-2 was during the 2019–2020 COVID-19 outbreak.”
The evidence strongly supports the comparison in ordinary public-health terms. SARS-CoV-2 spread efficiently between humans during the 2019-2020 outbreak, while hantavirus infections are usually rodent-to-human and rarely spread person-to-person. Limited Andes virus exceptions do not overturn the broader conclusion.
“The Cuban Revolution was driven primarily by Cuban nationalist and anti-imperialist traditions rather than by communism.”
The evidence indicates the revolution’s main mobilizing force in the 1950s was nationalist and anti-imperialist rather than openly communist. The July 26 Movement was not initially an orthodox communist project, and Cuba’s formal Marxist-Leninist identity was declared after power was secured. The claim is somewhat overstated because Marxist ideas were already present around Castro and became central soon after victory.
“Human immunodeficiency virus (HIV) is transmitted through the exchange of bodily fluids.”
The claim captures the general mechanism but is too broad as written. HIV is transmitted only through certain infected body fluids—not bodily fluids in general—and only under specific exposure conditions, such as contact with mucous membranes, damaged tissue, or direct bloodstream access. Without that context, the statement can reinforce common misconceptions about saliva, sweat, tears, and casual contact.
“Human immunodeficiency virus attacks the human immune system.”
HIV is correctly described as attacking the human immune system. Major health authorities and peer-reviewed literature show that it primarily infects and damages CD4+ T cells and other immune components, impairing immune defense. Variation in severity, treatment response, or rare nonprogression does not change that core fact.
“The acronym "AIDS" stands for "Acquired Immunodeficiency Syndrome".”
The standard and formally recognized expansion of AIDS is “Acquired Immunodeficiency Syndrome.” Major public-health and medical authorities, including CDC, WHO, NIH, and NCI, use that exact wording. A few informal educational sources use a paraphrased variant, but that does not change the accepted definition.
“Hepatitis C is a liver infection.”
The statement is accurate. Authoritative medical sources explicitly describe hepatitis C as a viral infection of the liver caused by the hepatitis C virus. While the disease can also have effects outside the liver and may become chronic, those facts do not make the core description incorrect.
“The abbreviation "HIV" stands for "Human Immunodeficiency Virus".”
Authoritative medical and public-health sources consistently define HIV as “Human Immunodeficiency Virus.” There is no credible evidence for an alternative accepted expansion. Any differing online formulations are simply mistakes, not legitimate medical usage.
“Technostress is psychological stress caused by the use of information and communication technologies.”
The claim matches the dominant academic definition. Across peer-reviewed and authoritative sources, technostress is generally described as psychological stress or strain that arises from interacting with ICTs. Some authors add physiological symptoms or emphasize difficulty coping with ICT demands, but those are refinements, not contradictions.