Trace the evidence

Evidence Library

Sources are reusable records. Investigations connect to them through Evidence; Learn items use the same Source registry for their research basis.

Source registry

954 canonical sources in active use

Source identity is deduplicated by DOI where available and otherwise by normalized URL. Usage is traced back to Investigations and Learn.

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Showing all 954 sources.

government document · synthesis / context

Hydrogen Production: Electrolysis

U.S. Department of Energy · 2026 · 4 knowledge backlinks

Used to: challenges

academic resource · synthesis / context

Research progress on the characteristics and essence of meridians and acupoints from an interdisciplinary perspective: A review

Journal of Integrative Medicine · 2026 · DOI 10.1016/j.joim.2025.09.004 · 2 knowledge backlinks

Used to: contextualizes

peer reviewed study · primary source

Safety, colonisation kinetics, transmissibility, and immune correlates of protection in healthy adults inoculated with Bordetella pertussis in England: a single-centre, open-label, phase 1, controlled human infection study

The Lancet Microbe · 2026 · DOI 10.1016/j.lanmic.2025.101313 · 1 knowledge backlink

Used to: challenges

systematic review · synthesis / context

Sugar sweetened and artificially sweetened beverages, fruit and vegetable juices and cancer risk: a World Cancer Research Fund International Global Cancer Update Programme systematic literature review and meta-analysis

medRxiv / World Cancer Research Fund Global Cancer Update Programme · 2026 · DOI 10.64898/2026.06.22.26355879 · 1 knowledge backlink

Used to: qualifies

systematic review · synthesis / context

Impact of intermittent fasting on patients with cancer undergoing chemotherapy and/or targeted therapies: a systematic review of the literature

Supportive Care in Cancer · 2025 · DOI 10.1007/s00520-025-09907-7 · 3 knowledge backlinks

Used to: challengescontextualizes

meta analysis · synthesis / context

Age- and sex-stratified risks of myocarditis and pericarditis attributable to COVID-19 vaccination: a systematic review and meta-analysis

Epidemiologic Reviews · 2025 · DOI 10.1093/epirev/mxae007 · 2 knowledge backlinks

Used to: supportsqualifiescontextualizes

peer reviewed study · primary source

Looking for Biomarkers Which May Explain Idiopathic Environmental Intolerance Attributed to Electromagnetic Fields (IEI-EMF): Does RF-EMF Exposure Influence Salivary Cortisol Response?

Bioelectromagnetics · 2025 · DOI 10.1002/bem.70021 · 1 knowledge backlink

Used to: challenges

systematic review · synthesis / context

The effect of exposure to radiofrequency fields on cancer risk in the general and working population: A systematic review of human observational studies - Part I: Most researched outcomes

Environment International · 2024 · DOI 10.1016/j.envint.2024.108983 · 4 knowledge backlinks

Used to: challenges

other · primary source

Corrigendum to The effects of radiofrequency electromagnetic fields exposure on human self-reported symptoms: a systematic review of human experimental studies

Environment International · 2024 · DOI 10.1016/j.envint.2024.108892 · 2 knowledge backlinks

Used to: challengesqualifies

systematic review · synthesis / context

The effects of radiofrequency electromagnetic fields exposure on human self-reported symptoms: A systematic review of human experimental studies

Environment International · 2024 · 2 knowledge backlinks

Used to: challengesqualifies

systematic review · synthesis / context

Efficacy of homoeopathic treatment: systematic review of meta-analyses of randomised placebo-controlled homoeopathy trials for any indication

Systematic Reviews · 2023 · DOI 10.1186/s13643-023-02313-2 · 2 knowledge backlinks

Used to: supportsqualifies

peer reviewed study · primary source

The improvement effect of apple cider vinegar as a functional food on anthropometric indices, blood glucose and lipid profile in diabetic patients: a randomized controlled clinical trial

Frontiers in Clinical Diabetes and Healthcare · 2023 · DOI 10.3389/fcdhc.2023.1288786 · 1 knowledge backlink

Used to: supports

academic resource · synthesis / context

Persistent Holocene outflow from the Black Sea to the eastern Mediterranean Sea still contradicts the Noah's Flood Hypothesis: A review of 1997–2021 evidence and a regional paleoceanographic synthesis for the latest Pleistocene–Holocene

Earth-Science Reviews · 2022 · DOI 10.1016/j.earscirev.2022.103960 · 1 knowledge backlink

Used to: qualifies

peer reviewed study · primary source

The naturally occurring radioactivity of 'scalar energy' pendants and concomitant radiation risk

PLOS ONE · 2021 · DOI 10.1371/journal.pone.0250528 · 2 knowledge backlinks

Used to: contextualizes

peer reviewed study · primary source

SARS-CoV-2 detection by reverse transcriptase polymerase chain reaction testing: Analysis of false positive results and recommendations for quality control measures

Pathology - Research and Practice · 2021 · DOI 10.1016/j.prp.2021.153579 · 1 knowledge backlink

Used to: supportschallenges

other · synthesis / context

Giza Pyramids and Geopolymer Limestone: Deep Misleading analysis on the ‘Lauer Sample’ by petrologists and geologists — A rebuttal

Geopolymer Institute Library · 2020 · DOI 10.13140/rg.2.2.18423.04004 · 2 knowledge backlinks

Used to: qualifiescontextualizes

peer reviewed study · primary source

Anatomical evidence of acupuncture meridians in the human extracellular matrix: results from a macroscopic and microscopic interdisciplinary multicentre study on human corpses

Evidence-Based Complementary and Alternative Medicine · 2019 · DOI 10.1155/2019/6976892 · 2 knowledge backlinks

Used to: qualifies

systematic review · synthesis / context

Methodological limitations in experimental studies on symptom development in individuals with idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF) – a systematic review

Environmental Health · 2019 · DOI 10.1186/s12940-019-0519-x · 1 knowledge backlink

Used to: qualifies

peer reviewed study · primary source

Symptom presentation in idiopathic environmental intolerance with attribution to electromagnetic fields: Evidence for a nocebo effect based on data re-analyzed from two previous provocation studies

Frontiers in Psychology · 2018 · DOI 10.3389/fpsyg.2018.01563 · 1 knowledge backlink

Used to: qualifies

peer reviewed study · primary source

Measurement of the Earth's rotation: 720 BC to AD 2015

Proceedings of the Royal Society A · 2016 · DOI 10.1098/rspa.2016.0404 · 5 knowledge backlinks

Used to: challengesqualifies

technical report · primary source

The Planetary and Lunar Ephemerides DE430 and DE431

NASA/JPL Solar System Dynamics · 2014 · 4 knowledge backlinks

Used to: challenges

peer reviewed study · primary source

A search for a distant companion to the Sun with the Wide-field Infrared Survey Explorer

The Astrophysical Journal · 2014 · DOI 10.1088/0004-637x/781/1/4 · 3 knowledge backlinks

Used to: challenges

academic resource · primary source

The Stones of Tiahuanaco: A Study of Architecture and Construction

Cotsen Institute of Archaeology Press at UCLA · 2013 · DOI 10.2307/j.ctvdmwwsq · 3 knowledge backlinks

Used to: challenges

government document · synthesis / context

FTC Offers Tips to Help Consumers Avoid Cell Phone Radiation Scams

U.S. Federal Trade Commission · 2011 · 2 knowledge backlinks

Used to: challengescontextualizes

systematic review · synthesis / context

Idiopathic environmental intolerance attributed to electromagnetic fields (formerly 'electromagnetic hypersensitivity'): An updated systematic review of provocation studies

Bioelectromagnetics · 2010 · DOI 10.1002/bem.20536 · 1 knowledge backlink

Used to: challenges

peer reviewed study · primary source

Does short-term exposure to mobile phone base station signals increase symptoms in individuals who report sensitivity to electromagnetic fields? A double-blind randomized provocation study

Environmental Health Perspectives · 2007 · DOI 10.1289/ehp.10286 · 1 knowledge backlink

Used to: qualifies

government document · primary source

FTC Charges Sellers of Cell Phone Radiation Protection Patches with Making False Claims

U.S. Federal Trade Commission · 2002 · 2 knowledge backlinks

Used to: challengescontextualizes

other · synthesis / context

The Day After Roswell — publisher record

Simon & Schuster · 1997 · 4 knowledge backlinks

Used to: contextualizes

academic resource · synthesis / context

First Law of Thermodynamics: Thermal Energy and Work

OpenStax · 5 knowledge backlinks

Used to: challenges
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