Twinkle, twinkle little star. How I wonder, what you are. Some of the things we've learned [...]
The effort of Christians to regain control of the Holy Land in the Middle Ages [...]
In search of new worlds: Sailing around the globe, traversing the deserts, jungles and frontiers. Going out into space and even within the Earth. [...]
Big events in mathematics that make the modern world possible. [...]
Important alchemical works of the Middle Ages [...]
Politicians and players of the Roman Republic and Roman Empire [...]
From antiquity to the modern city: How did we get here? [...]