Education, namely, courses of instruction on biology and/or medicine; training in the field of biology and/or medicine; information relating to entertainment or education; vocational retraining in the field of biology; publication of books; lending libraries; videotape film production; rental of motion pictures; rental of sound recordings; rental of video cassette recorders or of radio and television sets; rental of show scenery; videotape editing; photography services; organization and condu...