• All
  • Acoustics
  • Algebra
  • Anatomy
  • Anthropology
  • Archeology
  • Architecture
  • Arts
  • Astronomers
  • Astronomy
  • Astrophysics
  • Biology
  • Botany
  • Chemistry
  • Communication
  • Cosmology
  • Economics
  • Electromagnetism
  • Electronics
  • Electrotechnics
  • Engineering
  • Engineers
  • Fluid Mechanics
  • Geography
  • Geology
  • Geometry
  • History
  • Informatics
  • Insects
  • Journalism
  • Jurisprudence
  • Linguistics
  • Literature
  • Materials Science
  • Mathematicians
  • Mathematics
  • Mechanics
  • Medicine
  • Metrology
  • Minerals
  • Music
  • Nanotechnology
  • Optics
  • Pathology
  • Pedagogy
  • Philosophers
  • Philosophy
  • Physicists
  • Physics
  • Physiologists
  • Physiology
  • Politics
  • Psychiatry
  • Psychologists
  • Psychology
  • Religion
  • Sociologists
  • Sociology
  • Statistics
  • Theologians
  • Thermodynamics
  • Writers
  • Zoology



The mother of Mesoamerican cultures was the Olmec civilization. The Olmec civilization flourished during the Mesoamerican (pre-classical) formative period, extending approximately from 1500 BCE to 400 BCE. The Olmecs constituted the first Mesoamerican civilization and established the foundations of later cultures. The Olmec produced several major works of art, architecture, pottery, and sculpture. Most recognizable are their giant head […]

Olmecs Keep reading »


Mesoamerica is the geographic area stretching from north of Panama up to the desert of central Mexico. Although marked by great topographic, linguistic, and cultural diversity, this region cradled several civilizations with similar characteristics. Mesoamericans were polytheistic; their gods possessed both male and female traits and demanded blood sacrifices of enemies taken in battle or ritual

Mesoamerica Keep reading »


On the geologic time scale, the Jurassic is the middle period of the Mesozoic era; the name was introduced in 1795 by A. von Humboldt, for whom, however, the Jurassic soils were included between the Permian and the Buntsandstein (lower Trias); later A. Boué placed the Jurassic exactly between Trias and Cretaceous, and A. Brongniart

Jurassic Keep reading »


War is a social phenomenon that has its distinctive feature in the armed violence between organized groups. In its traditional meaning, war is a conflict between sovereign states or coalitions for the resolution, usually as a last resort, of an international dispute more or less directly motivated by real or presumed, but in any case partial,

War Keep reading »

Comparative history

Comparative history is a discipline that seeks to provide general descriptions, explanations, and interpretations of historical facts and processes by analyzing the similarities and differences between two or more historical phenomena. With the emergence of the comparative method, autonomous disciplines such as comparative anatomy, comparative law, comparative literature, and comparative linguistics have been established, while

Comparative history Keep reading »


Chronology (from the Latin chronologia, itself derived from the Greek χρόνος, chrónos, “time,” and λόγος, lógos, “discourse”), in its most general sense, is a system for organizing and classifying events according to their order in time, according to a regular subdivision of time. Homo sapiens has been using chronologies for millennia, originally not for historiographical

Chronology Keep reading »


In ancient Rome, an auriga was a slave with gladiator status, whose duty it was to drive a biga, the light vehicle powered by two horses, to transport some important Romans, mainly duces (military commanders). While in Greece these were mostly free men, sometimes even owners of horses, in Rome they were usually slaves, who

Auriga Keep reading »

Scroll to Top