AR-2020-21

125 33 rd ANNUAL REPORT 2020-21 Astronomy Centre for Educators Teaching Learning Centre and National Resource Centre An Introduction to Optical and Infrared Interferometry An online course titled An Introduction to Optical andInfrared Interferometry, was organized by the Teaching Learning Centre of the Astronomy Centre for Educators, IUCAA, from the end of July 2020 till the end of September 2020 with Jean Surdej (Hono r a r y Di r ec t o r, Ex t r aga l ac t i c Astrophysics and Space Observatories Group, University of Liege, Belgium) as the instructor. This course was coordinated by PrakashArumugasamy (IUCAA). (For details, see Khagol, No. 124, October 2020) The Thirty-Second Foundation Day Lecture War and Peace: Conflict and Cooperation in an Insect Society