How reports attributed to Ibn Abbas about seven earths should be authenticated, translated and interpreted before being connected to modern cosmology.

A source-based method for reading Surah al-Kahf’s prophetic narratives while distinguishing scripture, miracle, analogy and unsupported portal speculation.

What authenticated hadith say about Dajjal’s deceptive water and fire—and why technological portal claims go beyond the religious evidence.

A structured reading of Surah al-Kahf’s narratives and themes of faith, wealth, knowledge and power, clearly separated from speculative portal theories.

How to assess sayings attributed to Ali ibn Abi Talib about the paths of heaven without turning religious or rhetorical language into a modern physics claim.

The Amazon’s connection to Atlantic trade, European rivalry and piracy, separated carefully from legends about portals, monsters and hidden treasure.

How Tawantinsuyu used roads, terraces, water systems, labour and administration to govern the Andes—and why its conquest was not an instant collapse.

A concise history of Tenochtitlan, the Mexica-led Triple Alliance, tribute, society and the interacting causes of the Spanish-led conquest.

What archaeology, climate records and political history reveal about changes in Classic Maya cities—and why Maya civilisation did not simply disappear.

An evidence-based introduction to the Amazon rainforest, Indigenous societies, archaeology, biodiversity and responsible interpretation of traditional claims.