169 Science claim verifications avg. score 5.1/10 67 rated true or mostly true 97 rated false or misleading
“Frequently charging a smartphone battery to 100% accelerates battery degradation compared to charging to lower levels.”
The claim is directionally accurate: peer-reviewed research confirms that higher state-of-charge accelerates lithium-ion battery degradation through well-understood mechanisms like SEI growth and lithium plating. Real-world smartphone tests also show measurably better capacity retention when charging is capped below 100%. However, the claim lacks important context: modern phones use battery management systems that reduce stress near full charge, and the practical effect over a typical phone's lifespan is often modest — not dramatic. The biggest factor is time spent at high charge levels, not simply reaching 100%.
“Lightning can strike the same location more than once.”
This claim is unambiguously true. NOAA, NASA, and multiple peer-reviewed studies confirm that lightning routinely strikes the same location more than once — across separate flashes and even separate storms. The Empire State Building is struck 20–25 times per year, and research has identified hundreds of "recurrent lightning spots" across natural terrain. The old saying "lightning never strikes twice" is a well-debunked myth.
“Water can simultaneously boil and freeze under specific pressure conditions.”
The claim is scientifically accurate. At water's triple point (~0.01°C and ~611 Pa), solid, liquid, and gas phases coexist in equilibrium, meaning the conditions for both boiling and freezing are simultaneously met. This is confirmed by NIST, peer-reviewed research, and multiple academic sources. The minor caveat: "simultaneously boil and freeze" slightly overstates the drama — it's thermodynamic equilibrium coexistence, not necessarily vigorous concurrent boiling and freezing — and the required pressure is just 0.6% of normal atmospheric pressure.
“Fogvid-24 is a secret chemical or biological experiment.”
"Fogvid-24" is a conspiracy theory with no credible evidence behind it. No atmospheric testing, chemical analysis, or government documentation supports the claim that recent fog events are secret experiments. Scientists and authoritative outlets explain the phenomena as ordinary winter fog trapping existing pollutants, coinciding with seasonal respiratory illness. Even sources sympathetic to the theory concede there is "no official evidence" linking the fog to any secret operation. The existence of past programs like Operation Sea Spray does not prove current fog is engineered.
“Norway generates more than 95% of its electricity from renewable sources as of March 4, 2026.”
Norway's electricity generation is well above 95% renewable. Statistics Norway (SSB) reports that hydro (87.8%) and wind (10.7%) together accounted for 98.5% of electricity generation in December 2025 — the most recent granular data available. This is corroborated by the European Environment Agency (~98%) and Enerdata (February 2026). Norway's renewable electricity share has been structurally above 95% for decades, and no evidence suggests any change by March 2026. The claim is accurate.
“China has developed a functional artificial womb capable of supporting human reproduction.”
This claim is false. The viral "pregnancy robot" story originated from Kaiwa Technology, whose founder later retracted the claims, clarifying the company only manufactured a humanoid shell — not an artificial womb. Fact-checkers and scientific experts confirm that full-term human ectogenesis remains far beyond current capabilities. No peer-reviewed evidence supports the existence of a functional artificial womb for human reproduction. Existing technologies like embryo-monitoring incubators and "mini-womb on a chip" platforms are categorically different from a system capable of gestating a human baby to term.
“The Earth will experience a loss of gravity for seven seconds during the solar eclipse in August 2026.”
This claim is false. NASA has explicitly stated that a solar eclipse has "no unusual impact on Earth's gravity" and that Earth cannot "lose gravity" without losing mass. The claim originated from a viral social media conspiracy post. While eclipses produce tiny, ordinary tidal variations in local gravity (on the order of 0.0000178%), this is not a "loss of gravity" — and certainly not a seven-second global shutdown. No credible scientific evidence supports this claim.
“The volume or mass of steel produced globally in one hour exceeds the total amount of gold mined throughout all of human history.”
The claim is misleading. Global steel production in 2025 averaged roughly 211,000 tonnes per hour, while estimates of all gold ever mined range from ~187,000 to ~220,000 tonnes depending on the source. The World Gold Council's directly applicable estimate (~219,890 tonnes mined throughout history) actually exceeds the hourly steel figure. The claim is only true if you cherry-pick the lowest gold estimate and the highest steel rate. The comparison is far closer than the claim implies, and the outcome reverses depending on which authoritative source is used.
“Creativity is an innate trait that individuals are born with or without.”
The claim that creativity is something people are simply "born with or without" is false. Peer-reviewed research consistently shows creativity is only partially heritable, polygenic (involving many genes with tiny effects), and significantly shaped by environmental factors. Multiple studies demonstrate creativity can be trained and developed. The scientific consensus treats creativity as a complex interplay of genetic predispositions and environmental influences — not a fixed, binary trait present or absent at birth.
“The COVID-19 virus was engineered in a laboratory.”
The claim that COVID-19 was "engineered" in a laboratory is not supported by the available evidence. While some U.S. intelligence agencies and political bodies have entertained a "lab leak" or "research-related incident" as plausible, this is a fundamentally different claim from deliberate genetic engineering. The WHO, peer-reviewed genomic analyses, and scientific meta-analyses consistently find no credible evidence of engineering, and most intelligence assessments explicitly state the virus was probably not genetically engineered.
“A single day on Venus is longer than a year on Venus.”
This claim is accurate under the standard definition used by NASA and other major space agencies: Venus's sidereal day (one full axial rotation) takes ~243 Earth days, while its orbital year takes only ~224.7 Earth days. However, the claim omits an important nuance: Venus's solar day (sunrise to sunrise) is only ~116.75 Earth days — shorter than its year — due to Venus's retrograde rotation. The unqualified word "day" creates ambiguity, but the dominant scientific framing supports the claim.
“The temperature of lightning is higher than the temperature of the surface of the Sun.”
This claim is well-supported. Lightning's plasma channel reaches approximately 30,000°C (54,000°F), while the Sun's surface (photosphere) is about 5,500°C (10,000°F) — making lightning roughly five times hotter. This is confirmed by Weather.gov, NASA, Britannica, and other authoritative sources. The claim correctly specifies "the surface of the Sun," which is the key qualifier. The only caveat: lightning's temperature is a brief, localized peak, not a sustained condition, and the Sun's core (~15 million°C) is vastly hotter than lightning.
“Artificial intelligence will have a net positive impact on the climate.”
This claim overstates the certainty of AI's climate benefits. Leading authorities like the IEA and UNFCCC describe AI's potential emissions reductions as conditional — dependent on widespread adoption, smart governance, and clean energy supply. Meanwhile, AI-driven data center growth is already increasing emissions, with energy demand projected to reach ~1,050 TWh by 2026, much of it fossil-powered. AI could be net positive for the climate under the right conditions, but the unconditional claim that it will be is not supported by current evidence.
“The number of avalanches in the Alps has increased significantly in 2026 compared to previous years, and this increase is attributed to climate change.”
The claim is not supported by the available evidence. No Alps-wide data shows a significant increase in avalanche numbers in 2026. The only quantitative indicator — roughly 105 fatalities in the 2025–26 season — is described by official sources as in line with the long-term average of ~100. The strongest peer-reviewed research on Alpine avalanches and climate change projects a net reduction in total avalanche activity under warming, with only a compositional shift toward more wet-snow events. The claim overstates both the trend and the attribution.
“Per- and polyfluoroalkyl substances (PFAS), also known as forever chemicals, cannot be detoxified in the human body or the environment.”
This claim is false due to its absolute language. While PFAS are highly persistent and difficult to break down, they are not impossible to detoxify. In the environment, engineered technologies like electrochemical oxidation and plasma treatment can permanently destroy PFAS. In the human body, PFAS are excreted via urine, feces, and breast milk — with short-chain PFAS clearing in days to weeks. Emerging research also shows gut bacteria can help remove PFAS. The accurate statement is that PFAS are very difficult to break down, not that it "cannot" happen.
“Achieving global net-zero greenhouse gas emissions by 2050 is not technologically or economically feasible without significant compromises in living standards.”
This claim is not supported by the evidence. The world's most authoritative bodies—the IEA, IPCC, National Academies, and IMF—have published detailed roadmaps showing net-zero by 2050 is technically feasible with existing and emerging technologies, and project net economic benefits including GDP growth and job creation under orderly transitions. While the transition requires massive investment, policy coordination, and protections for vulnerable communities, these are design challenges—not evidence that living standards must significantly decline.
“At least one planet exists that is composed mostly of diamond.”
The claim that at least one planet is "composed mostly of diamond" is not supported by current evidence. The best-known candidate, 55 Cancri e, has been reclassified by updated NASA models as silicate-dominated, with diamond likely comprising less than 10% of its mass. Other candidates like PSR J1719-1438 were labeled "diamond planets" in 2011-2012 headlines but lack modern confirmation of majority-diamond bulk composition. Recent Webb telescope findings show diamonds forming deep inside certain planets — but that is far from being "mostly" diamond.
“The majority of Earth's breathable oxygen is produced by marine phytoplankton rather than land plants.”
The claim overstates the scientific consensus. The most authoritative sources — including the US EPA, Woods Hole Oceanographic Institution, National Geographic, and World Ocean Review — describe phytoplankton's oxygen contribution as "about half" or "roughly equal" to land plants, not a clear majority. While some estimates range as high as 50–85%, the dominant scientific framing is approximate parity (~50/50), making the word "majority" an overstatement of what the evidence reliably supports.
“Honeybees can be trained to detect landmines.”
The claim is well-supported. Multiple peer-reviewed studies and government-funded research programs (including Sandia National Laboratories and DARPA) have demonstrated that honeybees can be classically conditioned to respond to TNT and other explosive odors associated with landmines, with successful field tests confirming detection capability. The research spans two decades and includes both active conditioning and passive biomonitoring approaches. However, this training enables area-level surveying of minefields rather than precise pinpointing of individual buried mines.
“Sea level is not uniform across different locations on Earth.”
Sea level is indeed not uniform across Earth's locations. Authoritative sources from NASA, NOAA, and oceanographic institutions confirm that ocean surface height varies globally due to currents, winds, gravity fields, and other physical factors.