2201 published verifications avg. score 5.4/10 985 rated true or mostly true 901 rated false or mostly false
“Non-homologous end joining (NHEJ) repairs a DNA double-strand break by ligating the two cut ends directly together without requiring a homologous template.”
The claim captures the core mechanism of NHEJ. NHEJ repairs double-strand breaks by rejoining DNA ends without needing a homologous template, which is the key distinction from homologous recombination. However, the wording is somewhat simplified because NHEJ often processes damaged ends before ligation and can be error-prone rather than a perfectly clean end-to-end join.
“The United States annexed Hawaii in 1898.”
The historical record supports this claim. Official U.S. records and standard historical references identify 1898 as the year Hawaii was annexed, with the Newlands Resolution enacted on July 7 and the formal transfer occurring on August 12. The main caveats concern the exact milestone being referenced and the contested legitimacy of the process, not the year itself.
“The United States acquired Guam as a result of the Spanish-American War.”
Historical evidence shows Guam passed to the United States through the 1898 Treaty of Paris, which concluded the Spanish-American War. That makes the acquisition a direct result of the war. The distinction between military action and treaty transfer does not change the basic fact.
“The United States gained control of the Philippines after the Spanish-American War.”
The historical record shows that Spain ceded the Philippines to the United States in the 1898 Treaty of Paris after the Spanish-American War. That means the United States did gain control in the legal and political sense. The main caveat is that this control was contested immediately by Filipino forces and was only consolidated through the subsequent Philippine-American War.
“The acquisition of Guam provided a refueling and communication station for the United States Navy.”
The evidence strongly supports Guam’s importance as a naval refueling/coaling stop after its 1898 acquisition. It also supports Guam’s communications value, but that role was less immediate and more fully developed later. A reasonable reading is that the acquisition enabled both functions, though the wording can overstate the existence of a fully operational communications station at the time of acquisition.
“Vladimir Lenin argued that imperialism was the highest stage of capitalism, characterized by monopolies and large corporations seeking colonies to maximize profits and dominate global markets.”
The claim captures Lenin’s core argument but simplifies its mechanism. Lenin did argue that imperialism was the highest, monopoly stage of capitalism and linked it to colonial division and global domination. However, his account was more specifically about monopoly and finance capital, capital export, and rivalry among great powers, not just large corporations pursuing profit in a generic sense.
“In the United States, a birth certificate is a bond worth millions that is traded on the stock market as collateral for the U.S. national debt.”
The claim is not supported by any credible evidence and is directly contradicted by U.S. financial authorities. Official sources describe “birth certificate bonds” and related secret-account stories as fictitious instruments used in fraud schemes. U.S. national debt is financed through Treasury securities, not by trading birth certificates as collateral on any stock market.
“Every semialgebraic function defined on the unit interval [0,1] is real analytic on [0,1] except possibly at finitely many points.”
The claim matches a standard one-dimensional semialgebraic geometry result. Such functions can be partitioned into finitely many subintervals where they are real analytic, with any failures of analyticity confined to finitely many boundary points. Those exceptional points may include genuine discontinuities or cusps, so the statement is about piecewise analyticity, not global analytic extension.
“As of Q1 2026, frontier AI coding models exceed expert human performance on real-world software engineering tasks, as demonstrated by SWE-bench Verified and HumanEval+ results.”
Available evidence does not show that frontier AI coding models outperform expert humans on real-world software engineering as of Q1 2026. Very high scores on SWE-bench Verified and HumanEval+ are not direct expert-versus-model comparisons, and HumanEval+ is a weak proxy for real software engineering. Independent analyses also report contamination, benchmark artifacts, and many supposedly successful patches that human maintainers would reject.
“Fuel prices in South Africa have increased significantly in 2026.”
Fuel prices did rise sharply in South Africa in 2026, with official data showing large increases in April-May and record petrol prices by May. However, the increase was concentrated in those months rather than across the whole year, and a temporary levy cut softened some of the consumer impact. The central claim is accurate, but its timing is broader than the evidence supports.
“Enzymes in the human body have changed their chemical structures in order to survive in an OH⁻-rich internal environment.”
The claim is not supported by biochemistry or human physiology. The human body is tightly buffered and is not generally an OH⁻-rich environment, and excess alkalinity tends to impair or denature enzymes rather than help them "survive" by changing structure. Enzyme adaptation to different pH conditions occurs through evolution across generations, not by individual enzymes chemically redesigning themselves inside the body.
“The AGS cell line is derived from human gastric adenocarcinoma.”
The available evidence consistently identifies AGS as a human gastric adenocarcinoma cell line. Authoritative repositories, especially ATCC and Cellosaurus, state this directly, and the cited research literature uses AGS with that same provenance. The remaining caveat is only that many downstream sources rely on repository records rather than original 1979 pathology documents.
“The FY2027 budget was balanced without raising property taxes, slashing services, or drawing down the City's Rainy Day Fund or Retiree Health Benefit Trust reserves.”
The record does not support this description of the FY2027 budget. Independent oversight and the City’s own preliminary budget materials said balance relied on reserve use, including the Rainy Day Fund and Retiree Health Benefit Trust, and earlier plans also included a property-tax increase. A later TV report says the final budget avoided some of these steps, but no adopted budget documents are cited to verify the full claim, especially the reserve and service-cut portions.
“Zohran Mamdani's administration secured $7.6 billion in New York State aid for New York City through a partnership with New York Governor Kathy Hochul.”
A major Hochul-Mamdani budget deal for New York City is real, but the claim overstates both the number and the credit. The evidence describes the package as nearly $8 billion, not a documented $7.6 billion in state aid secured by Mamdani’s administration. Official sources also place primary responsibility on Hochul and the state legislature, with the mayor as a partner and advocate rather than the sole or main actor.
“Zohran Mamdani's administration eliminated New York City's budget deficit without laying off workers.”
The FY2027 budget was balanced and reports indicate the plan avoided broad layoffs, but the claim overstates what happened. The gap was closed in significant part through state assistance and other one-time measures, not by permanently eliminating New York City’s underlying fiscal problem. It also omits that workforce savings relied partly on attrition and vacant positions rather than proving no worker losses of any kind.
“Zohran Mamdani, as Mayor of New York City, enacted a tax on wealthy individuals that raises $0.5 billion per year for New York City.”
The evidence indicates a state-authorized New York City pied-à-terre surcharge was approved with projected revenue of about $500 million a year. But the claim overstates Mamdani’s role, since this was not a tax he could enact alone as mayor, and it overstates certainty by presenting an estimate as already realized annual revenue. It also describes a narrow luxury second-home surcharge as a general tax on “wealthy individuals.”
“Zohran Mamdani's proposed mayoral budget plan includes hiring 1,000 additional teachers in New York City.”
The available evidence shows the executive budget proposal does include funding to hire 1,000 additional teachers. That figure appears in official budget presentations and is corroborated by several independent local outlets. The main caveat is that this is a proposed FY27 budget item, so final adoption and timing can still change.
“Zohran Mamdani, as a New York City mayoral candidate, proposed allocating $122 million for New York City public schools in his campaign budget plan.”
The $122 million figure is documented in Mamdani’s later executive budget as mayor, not in a campaign budget plan from when he was a candidate. Coverage of his campaign education agenda does not show a specific $122 million school allocation. The claim misstates both the source and timing of the proposal.
“Mars was much more volcanically active early in its history than it is today.”
Evidence strongly supports a major decline in Martian volcanism over time. Early Mars built enormous volcanic provinces and experienced widespread, high-volume eruptions, while the best evidence for later activity is limited to smaller, localized, geologically recent flows. Recent volcanism does not overturn the basic comparison; it confirms Mars became much less active than in its early history.
“Improving a firm's image does not qualify as Further Production in economics when determining whether something is a producer good.”
Standard economics and national-accounts definitions do not treat an improved firm image as a producer good or as “further production.” Advertising and marketing are produced services that firms may use as inputs, but the resulting internally generated goodwill or brand image is usually not recognized as a separate produced asset unless acquired in a market transaction. Some research models brand equity more broadly as intangible capital, but that is not the usual classification rule.