Index/Organizations/Science Advances

Science Advances

Journal

Fact-Checks

14 results
Nov 15, 2025
Most Viewed

do homosexuals commit sex crimes at higher rates

Research does not support a simple claim that "homosexuals" commit sex crimes at higher rates; large recent studies show LGBT people are much more often victims of violent and sexual crimes than non‑L...

Nov 15, 2025
Most Viewed

Reality has a liberal bias

Claims that “reality has a liberal bias” map onto a long-running debate about whether news media tilt left. Empirical work finds many journalists identify as liberal yet detects little or no systemati...

Dec 3, 2025
Most Viewed

How much plastic waste entered oceans and rivers worldwide in 2025 and which regions were worst affected?

Available reporting cites a range of estimates for annual plastic entering aquatic systems: United Nations sources and NGOs commonly cite about 11 million tonnes per year into oceans (equivalently “2,...

Dec 21, 2025

What do excess‑mortality studies say about U.S. pandemic deaths in 2020–2022 compared with the official COVID death tallies?

Excess‑mortality studies — which compare observed all‑cause deaths to statistically modelled baselines — consistently find that the United States suffered substantially more deaths during 2020–2022 th...

Dec 16, 2025

What scientific experiments left on the Moon continue to provide data today?

Apollo-era instruments—most notably the seismometers left by Apollo 11, 12, 14, 15 and 16—have long supplied the Moon’s only continuous seismic record and remain the primary source for understanding m...

Nov 19, 2025

What are the top 5 US cities with the highest crime rates and their mayors' party affiliations?

US city "most dangerous" lists vary by methodology: several mid‑2025 and 2025 rankings repeatedly place Memphis, Detroit, St. Louis, Baltimore and New Orleans among the cities with the highest crime r...

Oct 3, 2025

Do cities with Democratic mayors have higher or lower crime rates than those with Republican mayors?

Cities led by Democratic mayors do not, on the best available evidence, have systematically higher crime rates than those led by Republican mayors; multiple recent empirical studies and contemporaneou...

Jan 20, 2026

What steps does Google take internally to anonymize logs and what are the limits of k-anonymity in practice?

Google describes a multi-layered approach to log anonymization that mixes algorithmic techniques — generalization to achieve k-anonymity, l‑diversity, and differential privacy — with organizational co...

Jan 16, 2026

What were the findings of formal inquiries into the Climategate and NOAA Karl controversies?

Two very different controversies are being asked about, but the available reporting supplied here addresses only the NOAA “Karl” controversy in detail; those sources show formal and informal inquiries...

Jan 5, 2026

What peer‑reviewed estimates exist for all‑cause excess mortality in the U.S. by month from 2020–2024?

Peer‑reviewed, month-by-month estimates of U.S. all‑cause excess mortality exist for the bulk of the acute pandemic period (roughly March 2020 through mid‑2022) but peer‑reviewed monthly series that e...

Dec 17, 2025

How do state laws and prosecutors’ policies interact with mayoral power to affect urban crime rates?

Mayoral partisanship on its own appears to have little causal effect on police spending, staffing, arrests, or city crime rates, according to a large multi‑decade study of nearly 400 U.S. cities . Tha...

Dec 1, 2025

Are there randomized controlled trials testing gelatide for wound healing or skin repair?

Randomized controlled trials (RCTs) of gelatin-based materials for wound care exist in a narrow set of clinical settings (for example palatal donor-site dressings and other small trials), but large-sc...

Nov 19, 2025

Which archival sources (Nazi, Allied, local registries) are used to calculate Holocaust mortality figures?

Historians and institutions calculate Holocaust victim totals using a wide mix of Nazi-era records, postwar Allied reports and trials, prewar and postwar demographic studies, Jewish community and resi...

Nov 1, 2025

What is the historical consensus on the number of Jewish victims in the Holocaust?

The historical consensus among historians and major institutions is that approximately were murdered in the Holocaust, a figure reached by cross‑checking Nazi documentation, demographic studies, and p...