Sapiens by Yuval Noah Harari
THREE MAJOR HUMAN REVOLUTIONS The Cognitive Revolution (c. 70,000 BCE, when Sapiens evolved imagination). The Agricultural Revolution (c. 10,000 BCE, the development of agriculture). The unification of humankind (the gradual consolidation of human political organisations towards one global empire). The Scientific Revolution (c. 1500 CE, the emergence of objective science). # YEARS AGO 13.5 billion:…