Mostly known today for its complex pantheon and religious rituals, the Aztec empire was also highly advanced in the fields of science, technology, engineering,

Over its 2,700-year history, the Maya became one of the most complex and dominant indigenous civilizations in pre-Columbian America. They became masters in scie

In size and sophistication, the most impressive empire in the Americas was the Incas. Established in Peru in the twelfth century, the Incan empire united millio

The ancient Greeks lived thousands of years ago. However, their discoveries about science, technology, engineering, and math or STEM have held up throughout tim

From the founding of its republic in 509 B.C.E. to the demise of its empire in 476 C.E., Rome dominated the countries of the Mediterranean Sea, the Middle East,