Climate change and the greenhouse effect
Climate change and the greenhouse effect
Cathedral and monastic schools in the middle of 11th century
The Neolithic Revolution. The birth of agriculture
The Locations of the Studia in Medieval Europe
Homo sapiens to conquer the world
The students’ privileges of Bologna carved on a plaque, affixed in a public place, in the early 15th century
Nomads and Gypsies. The Shiites
The Cosmography of Ptolemy and the map of the ecumene created using Ptolemy’s second projection
Ellis Island Heritage
Letter from John II of Portugal to Ferdinand the Catholic (1493) informing him of the arrival of Christopher Columbus in the port of Lisbon