Great Zimbabwe: What the Stone Walls Reveal
Explore Great Zimbabwe’s African origins, remarkable dry-stone walls and trade connections—and the questions archaeology still seeks to answer.
Corrosion
Climate Change: What the Numbers Actually Tell Us
Learn how to read our climate meter: temperature anomalies, reference periods, monthly updates and the difference between a single reading and long-term warming.
What the Doomsday Clock Actually Measures
What does 85 seconds to midnight mean? Explore who sets the Doomsday Clock, the risks it considers and why it is a warning rather than a countdown.
A World in Conflict: Understanding Today’s Wars
A dated overview of major conflicts, their humanitarian consequences and the risks that reach beyond national borders.
Signs in the Heavens and Earth
Auroras, eclipses and earthquakes show what science can explain, what it can predict, and where uncertainty remains.
Lost Civilizations: What the Evidence Reveals
Mesa Verde, Angkor and the Indus world reveal why a deserted place is not the same as a vanished people.
The Prophecies That Shaped History
From Cyrus to Merlin and Nostradamus, explore prophetic texts, their historical settings, and how to assess claims about their meaning.