Wide context

Complete PICLE corpus of essays by Polish advanced EFL students (330,000)

/^t/Science has been an aspect of every advanced human civilization. An increasing amount of evidence suggests that the priests of the ancient Egypt or of the Maya or Aztec civilizations of America were surprisingly skilled surgeons, clever astronomers and mathematicians. They used their knowledge to support or override rulers. Generally, however, they employed their powers to establish and preserve the law and order in the state.