Karina Nguyen@karinanguyen_๐ฟgot so lucky to take math 1b w such an inspiring teacher as Paulin โจi will never forget his last lecture in math 1B, where he derived a diff eq to describe the DNA shape and the moment everyone gave him just stunning applause ๐๐ป๐9:08 AM ยท May 11, 2019ยทTwitter for iPhone