Lenz has verified thousands of claims across science, politics, health, tech, and more. These are the topics people are checking most.
1446 published verifications avg. score 5.1/10 578 rated true or mostly true 851 rated false or misleading
“Artificial intelligence systems are used in clinical practice to assist with medical imaging diagnosis, such as detecting cancers on radiology images.”
AI tools are already used in real clinical radiology settings to help detect or assess findings on medical images, including some cancer-related applications. The strongest evidence comes from government, peer-reviewed, and specialty-society sources describing FDA-cleared systems used as decision-support or second-reader tools. The main caveat is that use is uneven and these systems usually assist clinicians rather than diagnose on their own.
“La Nación has shifted from being primarily a newspaper to being a multi-platform media brand that includes a website, an Instagram presence, a YouTube channel, and podcasts.”
La Nación clearly operates across web, social, video, and audio, but the evidence does not show that its primary identity has stopped being that of a newspaper. The cited materials confirm a multiplatform expansion, including Instagram, YouTube, podcasts, and its website. What is missing is proof that these additions replaced, rather than supplemented, the newspaper-centered identity.
“Remote sensing can improve food production.”
Available evidence supports this capability claim. Peer-reviewed studies and agency reports show remote sensing can improve crop management by detecting stress, optimizing irrigation and fertilizer use, and improving yield forecasts, which can raise output or maintain yields more efficiently. Benefits are real but context-dependent, and remote sensing works best as part of broader farm management rather than as a standalone fix.
“Yogurt was first introduced in Colombia in the 20th century.”
The evidence does not support the assertion that yogurt first reached Colombia in the 20th century. Reliable sources show yogurt is an ancient food, but none document a first introduction date for Colombia. The claim appears to confuse modern commercial expansion with first-ever presence, which is a different and unproven proposition.
“The European Commission for Democracy through Law (Venice Commission) said that Peru’s proposed judicial reforms threaten judicial independence.”
Official Venice Commission opinions support the claim. The Commission said Peru’s proposed reforms would weaken guarantees of judicial independence, seriously endanger judges’ and prosecutors’ independence, and risk political influence over the judiciary. The only important caveat is that these warnings concerned a specific reform package, not every reform proposal in Peru.
“A proposal would reorganize the Judiciary of Peru and allow the President of Peru to remove judges deemed "traitors to the homeland."”
The available evidence supports this as an accurate description of a real draft reform in Peru. Multiple high-authority sources report that the proposal would reorganize judicial institutions and let the president decree the removal of judges or prosecutors once Congress has declared them “traitors to the homeland.” The main caveat is that this remained a proposal, not enacted law, as of early 2026.
“A proposal would grant total immunity to the President of Peru and members of the Congress of Peru for crimes committed previously.”
The available evidence does not support this description of the proposal. Recent official reporting from Peru’s Congress indicates the restored immunity proposal for legislators excludes crimes committed before election and is not a blanket shield. No cited source substantiates a proposal granting retroactive immunity to the President, and describing the measure as “total immunity” misstates a procedural protection as full impunity.
“Ukraine supports addressing non-self-governing territories through peaceful, democratic, and multilateral mechanisms.”
Ukraine’s official UN-recorded position supports resolving non-self-governing territory issues through peaceful means, democratic processes, and multilateral institutions. Multiple formal statements across several years say so explicitly. The main caveat is that Ukraine links this support to respect for territorial integrity, but that limitation does not change the claim’s core meaning.
“Microbial fuel cells can potentially be used to treat wastewater while generating electricity.”
Published research shows microbial fuel cells can simultaneously treat wastewater and generate electricity in laboratory and pilot systems. Reviews and meta-analyses support the underlying feasibility of this dual function. The main caveat is practical: current systems usually produce low power and face major scale-up and cost barriers, so feasibility does not mean routine large-scale use.
“A British Airways cabin crew member named Aisha Mensah Clark was arrested at Heathrow Airport Terminal 5 staff customs for smuggling £2.4 million in cash.”
The core account is supported: a British Airways cabin crew member, Aisha Mensah Clarke, was stopped at Heathrow Terminal 5 staff customs and later convicted over a cash-smuggling operation valued at about £2.4 million. The main caveat is that roughly £104,000 was found at the arrest; £2.4 million was the estimated total moved across multiple trips, not the amount seized that day.
“When writing a chemical formula, the core rule for deciding element order is to write the more electropositive (lower electronegativity) element first and the more electronegative element last.”
The statement captures an important convention, but it overstates its scope. Electropositive-first ordering is widely used for many inorganic binary formulas, yet IUPAC does not treat it as the universal rule for chemical formulas overall. Organic and many molecular formulas commonly follow Hill notation, and some inorganic cases use other conventions or established traditional order.
“In real molecular structures, chemical bonds are not physically curved, and the curved appearance of bonds is solely an artifact of limitations in physical ball-and-stick model kits.”
The evidence does not support the claim. Ball-and-stick kits do simplify molecular geometry, but they are not the only reason bonds can appear curved: in some real molecules, especially strained hydrocarbons such as cyclopropane, bonding electron density is genuinely bent. The claim’s absolute wording (“not physically curved” and “solely”) is contradicted by established chemistry.
“In Plato's dialogue "Apology", Socrates says that the Delphic Oracle declared that no one was wiser than Socrates.”
The dialogue plainly contains this statement. In Apology 21a–21b, Socrates says Chaerephon consulted the Delphic oracle and received the answer that no one was wiser than Socrates. The main caveat is that this is Socrates’ report within Plato’s dialogue, not independent proof that the event happened historically.
“From December 2019 to May 2026, Arsenal Football Club did not receive any Premier League charges or sanctions for breaches of Premier League financial rules.”
Available evidence supports the claim, but not as an exhaustive legal certainty. Official Premier League statements and credible reporting from 2019 to May 2026 identify financial-rule charges or sanctions against other clubs, not Arsenal. The only contrary material is speculative or unverified, though the case still relies partly on Arsenal's absence from public records rather than an explicit comprehensive league register.
“Shinto is Japan's indigenous religion that originated from ancient Japanese folk beliefs in kami, which are spirits or sacred powers believed to inhabit natural phenomena such as mountains, rivers, trees, the sun, and animals.”
The core description is well supported. Major scholarly sources describe Shinto as Japan’s indigenous religious tradition rooted in ancient kami veneration associated with natural forces, places, and beings. The main caveat is historical: Shinto developed gradually, and the label became more defined later, so the claim slightly simplifies that evolution.
“In most soils, low-molecular-weight root exudates such as sugars and amino acids are largely consumed by soil microorganisms within hours to a few days after release.”
Available evidence strongly supports rapid microbial consumption of low-molecular-weight root exudates after release. Direct tracer experiments and multiple reviews indicate sugars and amino acids are typically taken up within hours and largely depleted within one to a few days in the rhizosphere. Slower turnover can occur in unusually harsh or microbially limited soils, but that does not overturn the claim’s “most soils” wording.
“Apple Inc. generated over US$391 billion in revenue in its fiscal year 2024.”
Apple’s reported FY2024 revenue exceeded US$391 billion. Its financial statements list net sales of US$391,035 million, which equals US$391.035 billion. Apple often rounds that to “US$391.0 billion” in public materials, but the underlying reported figure is still above the threshold in the claim.
“Medellín Cómo Vamos reported that long-term follow-up for people served by Hogares de Paso in Medellín, Colombia was limited during 2023–2025.”
The evidence only weakly supports attributing this specific finding to Medellín Cómo Vamos. Secondary media reports from 2024–2025 quote remarks that follow-up for street-homeless services, including Hogares de Paso, was limited, but no primary Medellín Cómo Vamos report has been verified with that exact program-specific conclusion. The claim therefore overstates the precision and formality of what Medellín Cómo Vamos documented.
“Between 2023 and 2025, Medellín's "Hogares de Paso" functioned mainly as precarious assistance services rather than as programs that achieved meaningful social inclusion for people experiencing homelessness.”
Evidence indicates Medellín’s Hogares de Paso mainly operated as short-term assistance services during 2023–2025, not as a system that routinely delivered durable social inclusion. Municipal and independent reports alike emphasize shelter, food, and basic care, while documenting weaker links to stable housing, employment, and long-term follow-up. Some people did exit homelessness or enter resocialization routes, but the available data do not show those outcomes were the dominant pattern.
“Between 2023 and 2025, the legal and regulatory framework for constitutional protection of homeless people in Medellín, Colombia was insufficient and allowed harmful dynamics such as social marginalization and state marginalization to persist in Medellín “Centros Día” (day centers).”
The available legal evidence strongly indicates Medellín’s framework remained inadequate to fully protect homeless people’s constitutional rights during 2023-2025. A binding Constitutional Court ruling found the city’s rules for Centros Día insufficient and linked them to exclusionary dynamics, and the materials provided do not show clear full remediation afterward. The main caveat is that direct facility-level evidence from 2023-2025 is limited.