Library.

“Ducks have a cloaca through which both feces and eggs pass.”

Authoritative anatomy sources support that ducks have a cloaca, and both feces and eggs pass through it at different times. Some internal structures help keep egg-laying and fecal passage functionally separated, but that does not change the basic fact that both use the cloacal outlet.

“Copper surfaces kill bacteria through contact (without additional disinfectants).”

The evidence strongly supports that copper surfaces can kill bacteria through intrinsic contact-mediated antimicrobial action, without needing added disinfectants. EPA registrations and multiple mechanistic studies show the effect is built into the copper surface itself. The main caveat is that performance depends on conditions such as cleanliness, alloy type, and sufficient contact time.

“A 2018 Massachusetts Institute of Technology (MIT) study found that false stories spread six times faster than true stories on Twitter and were retweeted 70% more often.”

The claim is well supported by the 2018 Science study and accurate summaries from MIT and Reuters. The study found false news was about 70% more likely to be retweeted and that truth took roughly six times as long as falsehood to reach 1,500 people on Twitter. The "six times faster" phrasing is shorthand for that specific diffusion benchmark.

“Dinosaurs are birds and lizards.”

The claim is not supported by modern taxonomy. Birds are living dinosaurs, but dinosaurs are not simply “birds,” because only one dinosaur lineage survives as birds. Dinosaurs are reptiles within Archosauria, whereas lizards belong to a different reptile branch, Squamata, so calling dinosaurs “lizards” is scientifically wrong.

“Saudi Arabia's 2024 adult-skills statistics report high participation by young people in formal and non-formal education and training.”

Official Saudi statistics support this characterization. The 2024 adult-skills publication reports 64.76% participation among youth aged 15–24 in formal and non-formal education and training, well above the 29.23% rate for the broader 15–64 population. The main caveat is that “high” is a qualitative description, not a defined benchmark or cross-country ranking.

“Official graduate statistics show that Saudi Arabia produces a sizeable number of bachelor's degree graduates, alongside master's, higher-diploma, and doctoral graduates.”

Official Saudi education statistics do show large numbers of bachelor’s graduates as well as higher-diploma, master’s, and doctoral graduates. The strongest support comes from Saudi government datasets and related official statistical publications, not from a single postgraduate-only table. The claim is accurate, with only a minor caveat that “sizeable” is a qualitative term rather than a fixed threshold.

“Saudi Arabia's education policy explicitly links the establishment of foreign university branch campuses in Saudi Arabia to expertise transfer and to Saudi labour-market demand under Saudi Vision 2030.”

The evidence largely supports this claim. Saudi education policy explicitly ties foreign branch campuses to workforce development and national priorities associated with Vision 2030, while official Ministry of Education policy also explicitly treats international university cooperation as a channel for academic expertise transfer. The main caveat is that these links are spread across several policy instruments rather than stated together in one document.

“Official youth statistics indicate that roughly 71% of Saudi citizens were under age 35 in mid-2024.”

Official Saudi statistics support that about seven in ten Saudi citizens were under 35 in 2024. GASTAT-linked reports cite 71%, but the figure most clearly tied to mid-2024 is 69.4%, so the claim slightly overstates the specific mid-year number. The core demographic takeaway remains substantially correct.

“Saudi Arabia's total population was estimated at about 35.3 million in mid-2024.”

Saudi Arabia’s official statistics agency estimated the country’s mid-2024 population at 35,300,280, which rounds to about 35.3 million. That figure is echoed by major databases and reporting that rely on the same official estimate. Lower figures seen elsewhere usually reflect different projection methods, not a contradiction of the stated mid-2024 estimate.

“Amazon Web Services (AWS) acknowledged that an AWS customer was mistakenly shown an estimated bill of $1,500,000,000,000 due to a problem with AWS’s estimated billing system.”

AWS did acknowledge a fault in its estimated billing system that showed customers wildly inflated charges. Multiple credible reports say some customers saw estimates as high as $1.5 trillion, but AWS’s own public statements appear to confirm the glitch in general terms, not that exact figure for a specific customer. The core claim is supported, with attribution caveats.

“The amount of sleep loss caused by high temperatures that is attributable to climate change has at least doubled since the early 1970s.”

Available evidence supports the claim: modeled climate-attributable heat-related sleep loss rose from roughly 2 hours per person per year in the early 1970s to about 5 hours in 2020-2025, which is more than a doubling. The main caveat is that this exact doubling estimate comes primarily from one attribution analysis rather than multiple independent replications.

“Keir Starmer said, "The test of any Prime Minister is: do you leave your country in a better place than you found it? I’m proud that the answer is yes."”

The quote is directly supported by first-party and independent evidence. Verified posts on Starmer’s official social media accounts contain the exact wording, and multiple mainstream outlets reported the same line. Some coverage discusses slightly different phrasing in Parliament, but that does not change the fact that he said this quote.

“The government of Israel has stated that it is preparing for war with Iran, Turkey, Egypt, and Syria.”

The evidence shows official Israeli war-readiness statements focused on Iran, not a declared four-country posture. Some reporting describes northern-front preparations involving Syria and contingency discussion about Turkey, but credible sources do not show the government stating it is preparing for war with Turkey or Egypt. Egypt, especially, rests on speculative commentary rather than official policy.

“In the United States, data centers used about 17 billion gallons of water annually for direct on-site cooling in 2023.”

The available evidence supports a national 2023 estimate of roughly 17.4 billion gallons of direct on-site water consumption by U.S. data centers, so “about 17 billion gallons” is a fair summary. The figure comes from a widely cited Lawrence Berkeley National Laboratory report. The main caveat is that some descriptions include humidification alongside cooling.

“Some people who are classified as overweight can be metabolically healthy.”

The evidence shows that a subset of people in the overweight BMI range meet standard clinical criteria for metabolic health. Multiple reviews and cohort studies explicitly recognize this phenotype. Ongoing debate about whether these individuals still face higher long-term cardiovascular risk does not negate the narrower claim that they can be metabolically healthy at a given time.

“Body-mass index (BMI) can misclassify fit, muscular people as overweight or obese because muscle is denser than fat.”

The claim matches the medical literature. BMI relies on height and weight alone, so people with unusually high muscle mass can be placed in overweight or obese BMI ranges even when their body fat is low. The “muscle is denser than fat” explanation is a valid shorthand for why this happens, though BMI category alone is not a full diagnosis of obesity.

“In a vacuum, a metal hammer and a feather dropped from the same height at the same time will land at the same time.”

The evidence shows that a hammer and a feather dropped together in a vacuum will fall with the same acceleration and reach the ground at the same time. This is a standard result of classical physics and has been demonstrated both on the Moon and in vacuum-chamber experiments on Earth. Apparent differences in ordinary air are caused by drag, not by gravity acting differently on heavy and light objects.

“National BankAmericard Inc. was formed in 1970 to manage the BankAmericard system under member-bank control.”

The historical record clearly supports this statement. In 1970, National BankAmericard Inc. was established to take over management of the BankAmericard system from Bank of America and place it under the control of participating member banks. Some sources add competitive or organizational context, but that does not alter the core fact.

“National BankAmericard Inc. changed the BankAmericard brand name to Visa in 1977 because of opposition to the Bank of America name as the payment system expanded globally.”

The core account is supported: international resistance to the Bank of America name was a real reason for adopting Visa. But the formal rebranding began in late 1976, with card rollout in 1977, and the change was also driven by the need for one unified global brand.

“Bank of America introduced the BankAmericard credit card program in 1958.”

The historical record clearly shows that Bank of America launched BankAmericard in 1958. Multiple independent, high-authority sources directly state this and commonly note the September 1958 Fresno rollout. There is no material dispute in the evidence about the year or the institution involved.