STS is an interdisciplinary filed that connects science and humanities, creates a dialogue between them, and bridges the gap between them. This course aims to introduce some of the central ideas in the field of STS. From "Science, Technology and Society" to "Science and Technology Studies", how to understand STS? Through the perspective of STS, how to understand science? How to understand technology? How to understand the entanglements and co-construction between science, technology, society and culture? This course provides students theories and methods to think more critically about science and technology as social activities and what it means to be a citizen in a technological society. This course begins with the analysis of the ideological resources of STS, then further interprets Sociology of Scientific Knowledge (SSK) to examine what is science, and then enters into the field of Technology Studies to examine what is technology, also it involves some forefront researches of STS. We live in a material world dominated by science and technology. STS tries to open the black box of science and technology and provides theories and methods for understanding and reflecting the ideology dominated by science and technology. In addition to teaching specific theories and research methods in the field of STS, this course emphasizes on taking STS as a way to think about the world and a way to study the world. Each student will conduct a case study and make a presentation. At the end of the semester, students will submit a paper analyzing of a related topic of their choosing and demonstrating their understanding of the course.