In recent years, AI has almost been everywhere, from our daily life to life-critical systems. AI for science is a new terminology representing a growing community that attracts more and more people from both AI and science communities to work on scientific discovery with AI. You may wonder what AI really is? How AI for science works? How is it related to my daily work? In this blog, we introduce AI to people who are interested in AI for science (especially from the view of the scientific community) and answer the above questions, including what AI brings to the scientific community, successful examples of AI in scientific applications, AI mindsets in tackling different types of scientific problems.