PALEOLITHIC ERA

NEOLITHIC ERA

DOMESTICATION

SURPLUS PRODUCTION

STONEHENGE

EASTER ISLAND

PYRAMIDS

URBAN REVOLUTION

HYDRAULIC HYPOTHESIS

PYTHAGOREANS

HELLENIC AND HELLENISTIC NATURAL PHILOSOPHY

ARISTOTLE

MUSEUM AT ALEXANDRIA

PLINY THE ELDER

ROMAN AQUEDUCTS

HOUSE OF WISDOM

AVICENNA

CHI

TENOCHTITLAN

ANASAZI CIVILIZATION

MEDIEVAL UNIVERSITIES

THOMAS AQUINAS

MILITARY REVOLUTION

PRINTING PRESS

LEONARDO DA VINCI

COPERNICUS

URANIBORG

KEPLER

GALILEO & THE TELESCOPE

CARDINAL ROBERT BELLARMINE

RENE DESCARTES

MECHANICAL PHILOSOPHY

ISAAC NEWTON

ROYAL SOCIETY OF LONDON

BACONIAN SCIENCE