Surviving financial records helped expose MKUltra after many of its files were destroyed. This Field Note examines what those records reveal—and what remains unknown.

American records from 1947 show how the investigation of Unit 731 became a negotiation over intelligence, protection and prosecution.

Sensor illusions in aviation can cause pilots to misread an aircraft’s attitude or movement when visual references are limited. Although

Archaeological speculation can influence how ancient sites are interpreted, making it essential to separate evidence-based conclusions from assumptions. Context Archaeological

Precision does not imply advanced technology. Remarkable precision in ancient structures has sparked debate about how past civilisations achieved such

This field note explains why DidjaKnow focuses on examining evidence and competing interpretations rather than declaring final “debunked” conclusions in

In DidjaKnow investigations, the term **“unresolved” refers to historical or scientific questions where available evidence remains incomplete, contested, or open

When evidence does not clearly support a single conclusion, multiple explanations Can Coexist. In historical and archaeological research, investigators often

In historical investigation, the absence of evidence does not automatically confirm or deny a claim. Understanding how researchers interpret incomplete

Controversial archaeological sites often emerge where limited evidence, dramatic structures, and competing interpretations intersect. In these situations, both mainstream archaeological