Timestamps 0:00 Intro 0:23 What are levorotatory molecules? 0:39 Optical activity and levorotatory molecules 1:04 Chirality and optical activity 1:45 Enantiomers and rotation of plane-polarized light 2:12 Chiral molecules and plane-polarized light 3:13 Dextrorotatory molecules 3:31 Levorotatory and Dextrorotatory molecules 3:47 Outro