Archaeologists study human history and culture by excavating archaeological sites and analyzing what they find. They dig for human remains and artifacts, examine cultures, and develop theories about the past. Archaeologists use scientific techniques to excavate sites layer by layer, carefully observing, recording, and interpreting recovered artifacts. Their work involves studying many time periods and aspects of past societies to understand how humans lived in different eras and regions. Archaeologists may specialize in areas like landscape survey, excavation, artifact analysis, or environmental science to investigate questions about the past.