1446 published verifications avg. score 5.1/10 578 rated true or mostly true 851 rated false or misleading
“Jim Simons kept his trading practices secret because he did not understand how he achieved his investment returns.”
The claim is false. The only supporting evidence refers to Simons' early 1980s period when he traded on intuition and lost money, not his later systematic approach that generated massive returns. Multiple sources show he clearly understood his data-driven methodology.
“The peregrine falcon is the fastest animal in the world.”
The peregrine falcon is widely recognized as the fastest animal on Earth, with Guinness World Records certifying diving speeds up to 389 km/h (242 mph). This is confirmed by Britannica, Audubon, and other authoritative sources, and no other animal has been documented moving faster in any mode of locomotion. The one caveat: this record speed occurs only during a specialized hunting dive (stoop), not in level flight, where the peregrine is far slower. The claim reflects established consensus but omits this important context.
“The cheetah is the fastest land animal on Earth.”
The cheetah is universally recognized as the fastest land animal by maximum sprint speed, with documented top speeds of 103–114 km/h. This is confirmed by Britannica, Guinness World Records, Imperial College London research, and peer-reviewed studies. The pronghorn excels at sustained endurance speed over longer distances, but "fastest land animal" conventionally refers to top sprint speed — and on that metric, the cheetah's title is uncontested.
“Most adults of Western descent are unable to digest milk due to lactose intolerance.”
This claim is false. In medical and genetic contexts, "Western descent" refers to European ancestry — the population with the highest rates of lactase persistence worldwide. Studies consistently show only 5–28% of Europeans are lactose intolerant, meaning the vast majority can digest milk. The claim appears to confuse global lactose intolerance rates (68%) with rates specific to European-descended populations. Lactase persistence evolved in European populations over millennia of dairy farming, making lactose tolerance — not intolerance — the norm.
“Making abortion free of charge results in an increased rate of abortions being used as a method of contraception.”
This claim is misleading. While research shows that reducing the cost of abortion increases the number of abortions among women already facing unintended pregnancies, the specific assertion that free abortion leads women to use it as a method of contraception is not supported by the evidence. The most-cited historical example (Soviet era) is confounded by simultaneous contraceptive scarcity. Studies on repeat abortion find these patients were often already using contraception, not forgoing it. The claim conflates price sensitivity with intentional contraceptive substitution—a leap the research does not support.
“Exposure to urban air pollution is a direct cause of dementia.”
The claim that urban air pollution is a "direct cause" of dementia overstates the scientific evidence. Multiple high-quality reviews and meta-analyses consistently show a strong association between long-term air pollution exposure (especially PM2.5) and increased dementia risk, with plausible biological mechanisms identified. However, authoritative sources — including the Alzheimer's Society and recent systematic reviews — explicitly state that a direct causal link has not been proven. The accurate framing is that air pollution is a significant modifiable risk factor for dementia, not a confirmed direct cause.
“Current atmospheric CO2 levels are not unprecedented when compared to levels found throughout Earth's full geological record.”
The claim is technically accurate: multiple peer-reviewed studies confirm CO2 exceeded 1,000–2,000 ppm during earlier geological periods (e.g., Mesozoic, Eocene), well above today's ~422 ppm. However, the claim omits critical context. Current CO2 is the highest in at least 14 million years, the rate of increase is roughly 100 times faster than any known natural rise, and deep-time CO2 estimates carry large uncertainties (±500 ppm). The literal statement is defensible, but its framing can create a misleading impression that today's levels are unremarkable.
“Mandatory childhood vaccination schedules in Western countries cause a significant increase in autoimmune disorders.”
This claim is not supported by the evidence. The most authoritative research — including a major meta-analysis of 144 studies spanning five decades — finds no significant increase in autoimmune disorders among vaccinated versus unvaccinated populations. While very rare, specific vaccine-autoimmune associations exist (e.g., GBS after influenza vaccination), these do not amount to a broad, schedule-driven rise. The claim's main supporting evidence comes from passive adverse-event reporting systems that cannot establish causation.
“Bulls are attracted to or agitated by the color red.”
This is a well-known myth. Bulls have dichromatic vision and cannot perceive red the way humans do — it likely appears as a dull brownish or yellowish shade to them. Controlled experiments, including those by MythBusters, show bulls charge moving objects of any color equally and remain calm when objects are stationary. It is the movement of the matador's cape, not its color, that triggers aggression. The red cape is a tradition for human spectators, not a stimulus for the bull.
“Some major software companies currently report that the majority of their source code is written by artificial intelligence.”
The claim is largely accurate. Google and Anthropic—both major software companies—have publicly stated that a majority of their new code is AI-generated (Google citing over 50% of weekly production check-ins, Anthropic citing 70-90% company-wide). However, these are self-reported figures from AI-focused firms, the metric typically refers to new code check-ins rather than entire codebases, and industry-wide averages remain well below 50%. The claim is true as stated but could easily be misread as an industry-wide trend.
“Frequent airplane travel increases cancer risk due to radiation exposure.”
This claim is misleading. While flying at altitude does increase exposure to cosmic ionizing radiation—a known carcinogen—the best available evidence from the CDC, peer-reviewed reviews, and military studies explicitly states that a causal link between in-flight radiation and cancer has not been established. Elevated cancer rates observed in aircrew are confounded by circadian disruption, UV exposure, and lifestyle factors. The claim also overgeneralizes from occupational aircrew data to all frequent flyers, and omits that any radiation-related risk increase is described as small.
“A single night of only 3 to 4 hours of sleep causes detrimental effects on human health.”
The claim is mostly true. Peer-reviewed research confirms that a single night of only 3–4 hours of sleep causes measurable detrimental effects, including impaired cognitive performance, increased sleepiness, mood disturbances, elevated stress hormones, and reduced physical performance. However, these effects are generally acute and reversible with recovery sleep — not equivalent to the chronic disease risks (cardiovascular, metabolic) associated with sustained sleep deprivation. Individual vulnerability also varies significantly.
“The calendar configuration for February 2026 is claimed to occur only once every 823 years.”
This claim is false. The "once every 823 years" figure is a recycled internet hoax. Every non-leap-year February has exactly 28 days, meaning it always contains exactly four of each weekday — that's basic math, not a miracle. The specific "perfect February" layout where February 1 falls on a Sunday last occurred in 2015 and will happen again in 2037. The Gregorian calendar repeats on a 400-year cycle, making an 823-year uniqueness claim mathematically impossible.
“Cold weather exposure causes facial slimming or changes in facial appearance.”
Cold weather can temporarily change facial appearance through reduced puffiness and vasoconstriction, but does not cause true "facial slimming" through fat loss. The claim misleadingly conflates temporary de-puffing effects with actual slimming.
“Roblox's user-generated content policies have resulted in young users being exposed to graphic content and predatory behavior.”
The core claim is well-supported: independent researchers, government lawsuits (including LA County's February 2026 suit), NCMEC reporting data (24,500+ reports in 2024), and over 30 arrests linked to Roblox grooming all document real instances of young users encountering graphic content and predatory behavior on the platform. However, the claim slightly oversimplifies by attributing harm solely to "UGC policies" when chat and communication features are equally implicated, and it doesn't account for significant safety reforms Roblox implemented in 2025. Key lawsuit allegations also remain legally unproven.
“Brushing teeth before breakfast is more beneficial for dental health than brushing after breakfast.”
Most major dental organizations and professionals, including the ADA and AAE, recommend brushing before breakfast to remove overnight bacteria and coat teeth with fluoride before acid exposure. However, the claim overstates the certainty: the only peer-reviewed comparative study found post-breakfast brushing reduced cavity-causing bacteria more effectively (though it was preliminary), and the advantage of pre-breakfast brushing is largely conditional — post-breakfast brushing is mainly problematic only if done immediately after acidic foods. The preference is real but not as clear-cut as the claim suggests.
“GLP-1 receptor agonist medications provide proven benefits for cardiovascular disease beyond their use for obesity and diabetes.”
The claim is largely accurate. Large randomized trials — most notably SELECT — have demonstrated that semaglutide reduces major cardiovascular events (CV death, nonfatal MI, nonfatal stroke) in patients with established cardiovascular disease and obesity but without diabetes. Tirzepatide has shown benefits in heart failure with preserved ejection fraction. However, the strongest evidence applies specifically to overweight/obese patients with existing CVD, not all cardiovascular populations, and some endpoints like overall mortality remain neutral. The claim slightly overgeneralizes but is well-supported by current evidence.
“The Lunar Gateway space station is not necessary for NASA's Artemis program to achieve its lunar objectives.”
This claim is misleading. While it's true that early Artemis missions (II and III) were designed to proceed without the Lunar Gateway, NASA's own documents call Gateway "essential to the Artemis architecture" for the full campaign. Artemis's stated lunar objectives include establishing a sustained, long-term presence on the Moon — not just a single crewed landing — and Gateway is designated as central to Artemis IV and beyond. The claim cherry-picks a narrow near-term truth and presents it as applying to the entire program.
“Elon Musk's AI chatbot Grok has generated sexualized deepfakes.”
The claim is true. Multiple independent, high-authority news outlets — including PBS, BBC News, The Guardian, and FRANCE 24 — confirm that Elon Musk's AI chatbot Grok generated sexualized deepfake images, including of children. This triggered formal investigations by EU, UK, and US regulators. Critically, Grok itself acknowledged producing sexualized images of minors, xAI enacted policy bans on such content, and the image generator was temporarily disabled — actions that constitute corporate admissions corroborating the claim.
“Gold prices have increased fourfold between March 2016 and March 2026.”
The claim is substantively accurate. Gold averaged ~$1,232.70/oz in March 2016 and traded at ~$5,274–$5,299/oz on March 1, 2026 — a ratio of approximately 4.28×, which comfortably satisfies the idiomatic meaning of "fourfold." The slight overshoot beyond exactly 4× and the use of a monthly average versus a single-day spot price are minor methodological imprecisions, not material errors. The March 2026 price was partly elevated by acute geopolitical tensions, which may represent a temporary spike.