Library.
-
True 10/10
“By analytic continuation, the Riemann zeta function satisfies ζ(-1) = -1/12.”
Standard mathematical references agree that the analytically continued Riemann zeta function has value ζ(-1) = -1/12. This does not mean the ordinary series 1+2+3+4+⋯ converges to -1/12; it means the unique analytic extension of ζ(s) to s = -1 takes that value.
-
False 2/10
“Grand Theft Auto VI generated about $3 billion in revenue from pre-orders within the first 24 hours after pre-orders opened.”
The evidence does not support the claim that GTA VI made about $3 billion from pre-orders in its first 24 hours. Credible coverage treats that number as an unverified viral rumor, while better-sourced reporting points to analyst estimates closer to $1 billion or discusses roughly $3.2 billion as projected first-year revenue, not first-day pre-orders. No official Take-Two or Rockstar disclosure confirms the $3 billion figure.
-
False 1/10
“In women, lower levels of estrogen are associated with faster toenail growth.”
The available evidence points in the opposite direction. Sources discussing menopause and nail biology associate lower estrogen with slower nail growth and increased brittleness, while higher-estrogen states are described as linked to faster growth. The main quantitative toenail-growth study provides no estrogen association, so the claim is not supported as stated.
-
Mostly True 8/10
“The Texas Legislature meets in regular session only once every two years for 140 days.”
The claim accurately describes Texas’s biennial regular legislative schedule, but it slightly overstates the duration. Under the Texas Constitution, regular sessions occur once every two years and may last no more than 140 days. In practice they typically run the full 140 days, but “up to 140 days” is the more precise phrasing.
-
False 1/10
“In Pakistan, a 10-year-old girl was forced to marry a 60-year-old man and later became pregnant.”
The claim is not supported by the evidence. Multiple credible fact-checks found that the viral video tied to this story was miscaptioned and actually came from Vietnam, not Pakistan. Although child marriage is a real problem in Pakistan, no reliable source confirms the specific allegation that a 10-year-old girl was forced to marry a 60-year-old man and later became pregnant.
-
Mostly True 7/10
“Restricting rival countries' access to advanced computer chips slows those countries' progress in artificial intelligence capabilities.”
The evidence supports a real slowing effect, especially for frontier AI systems that depend on large amounts of advanced compute. Export controls have imposed meaningful delays and scaling constraints, most clearly in China. But the effect is not universal or complete: software efficiency, alternative supply channels, and narrower definitions of “AI progress” can reduce or mask the slowdown.
-
True 9/10
“Building an advanced semiconductor chip industry requires years of research and billions of dollars in investment.”
The evidence strongly supports this statement. Advanced semiconductor capability routinely requires multi-year research, facility buildout, process development, and production ramp-up, while leading-edge fabs and supporting ecosystems cost billions to tens of billions of dollars. The wording is broad but not overstated for an advanced chip industry.
-
Mostly True 7/10
“Only a handful of companies worldwide can design leading-edge artificial-intelligence chips, including Nvidia and Advanced Micro Devices.”
The evidence supports the main point that leading-edge AI-chip design is concentrated in a small global group, and Nvidia and AMD are clearly part of it. But the wording is somewhat too tight: beyond merchant GPU vendors, companies such as Google, Amazon, Intel, Huawei, and others also design advanced AI accelerators. The claim is directionally right, but imprecise about how small the club is.
-
False 2/10
“Skullcap (Scutellaria) herb is effective for preventing some cancers.”
The evidence does not show that skullcap herb is effective for preventing cancer in humans. Research on Scutellaria and its flavonoids is largely preclinical, involving cell lines, animal models, and mechanistic studies, while authoritative medical sources note the lack of good human evidence for cancer prevention. The claim overstates early laboratory findings as proven real-world preventive efficacy.
-
True 10/10
“The 2026 FIFA World Cup ends in July 2026.”
Official FIFA sources place the 2026 FIFA World Cup from June 11 to July 19, 2026. That means the tournament ends in July 2026. References to post-tournament activities do not change the competition’s official end date.
-
True 9/10
“Collagen extracted from cannonball jellyfish (Stomolophus sp.2) shows α-chain bands (α1 and α2) and higher-molecular-weight β and γ components on SDS-PAGE that are consistent with type I collagen.”
Primary studies on blue cannonball jellyfish report SDS-PAGE profiles with α1/α2 chains and β/γ components that match the classic pattern associated with type I collagen. Because the claim says the pattern is “consistent with” type I rather than proving identity, the evidence supports it well. The main limitation is that SDS-PAGE alone is supportive, not conclusive, for collagen typing.
-
True 9/10
“The Brazil men's national association football team has never defeated the Norway men's national association football team in an official match.”
Reliable match records show Brazil have not beaten Norway in a men’s senior official match. The documented competitive meetings cited here are the 1998 and 2026 World Cup matches, and Norway won both. A few lower-reliability previews and databases claim Brazil had earlier wins, but those entries conflict with stronger, itemized records and appear erroneous.
-
True 9/10
“Cristiano Ronaldo has not announced his retirement from the Portugal men's national football team as of July 7, 2026.”
Available reporting indicates Ronaldo had not formally retired from Portugal by July 7, 2026. He repeatedly said the 2026 tournament would be his last World Cup, but also said he had not yet decided when to end his career and pushed retirement talk to a later time. Headlines claiming retirement largely confuse those two points or lack reliable sourcing.
-
Mostly False 3/10
“All racists have a distorted view of the world and genuinely believe that their racist behavior is not wrong.”
The evidence supports that many racist attitudes and actions involve biased perception, rationalization, or moral disengagement. It does not support the stronger claim that every racist has a distorted worldview and sincerely believes their behavior is not wrong. Some people may recognize the wrongness of racist conduct and still do it, making the universal wording unsupported.
-
False 1/10
“Investigators from the National Anti-Corruption Bureau of Ukraine (NABU) found 11 million US dollars at the home of Volodymyr Zelenskyy's parents.”
The evidence does not support this allegation. NABU has not reported any search of Zelenskyy’s parents’ home or any discovery of $11 million, and multiple fact-checkers identify the story as part of a Russian disinformation campaign using fabricated or misleading media content. The claim fails on both the core event and the specific amount/location asserted.
-
True 9/10
“Francisco Franco's government expanded and improved Spain's road infrastructure.”
The historical record supports the claim in broad terms. Spain’s road infrastructure did expand and improve under Franco, above all during the post-1959 developmental period tied to industrialization and tourism. The main caveat is that the largest buildout of the modern motorway network came after Franco, so the claim should not be read as crediting his regime with most of today’s system.
-
Mostly True 8/10
“Francisco Franco's government expanded healthcare provision in Spain.”
The evidence shows a real expansion of state-organized healthcare under Franco, especially through compulsory sickness insurance in 1942 and the 1963 Social Security reforms. But the expansion was partial: coverage remained incomplete, occupationally based, and uneven across regions, especially in rural Spain. The claim is broadly accurate, but it should not be read as meaning universal or adequately funded healthcare was achieved.
-
Mostly True 8/10
“Cristiano Ronaldo and Kathryn Mayorga reached an out-of-court settlement for about $350,000 in connection with Kathryn Mayorga's allegations against Cristiano Ronaldo.”
Reliable reporting and court filings show that Ronaldo and Mayorga entered a confidential out-of-court settlement in 2010. The amount repeatedly reported is $375,000, so the claim understates it by $25,000. That numerical imprecision is real, but it does not change the central fact that a settlement was reached for a mid-$300,000 sum.
-
Mostly True 8/10
“Cristiano Ronaldo's lawyers supplied an alternative version of questionnaire answers dated December 24, 2009 that differed from a version dated September 2009.”
Reporting on the leaked case documents consistently describes two questionnaire versions: one from September 2009 and a different version sent on December 24, 2009 by Ronaldo’s lawyers. That account is well-supported by major outlets, especially Der Spiegel’s document-based reporting. The important caveat is that Ronaldo’s side challenged the leaked materials’ authenticity and alteration status.
-
Mixed 6/10
“Italy invaded Russia twice: once during the Russian Civil War near Vladivostok with an Italian military contingent, and once during World War II alongside Nazi Germany.”
The underlying history is real, but the wording overstates the first episode. Italy sent forces into Russian/Soviet territory twice: a small Allied contingent near Vladivostok during the Russian Civil War and a much larger force alongside Germany in 1941-1943. But only the World War II case is plainly an invasion; the Siberian episode is usually described as an intervention or expedition, not an Italian invasion of Russia.