HKU Bulletin May 2022 (Vol. 23 No. 2)

While our publication is printed on environmentally friendly paper, we urge you to share your copy with friends and colleagues to help reduce our carbon footprint. Alternatively, you may like to read the Bulletin online at Care for the Environment The University of Hong Kong Bulletin reports on activities, events and research initiated by members of the University. It aims to keep the local and international communities informed of new breakthroughs and achievements in all of our faculties and disciplines. Contribution and Feedback With special thanks to staff and students who kindly contributed their time and their photographs to the Bulletin. We welcome contributions of content for publication. Items should include the author’s name and University contact details. Please direct contributions, comments or suggestions to the Communications and Public Affairs Office at for consideration. If you would like to opt-out of receiving a printed copy and subscribe to the electronic version of publications from the Communications and Public Affairs Office, please visit Editorial Team Chief Editor: Ella Lee, Director of Communications and Public Affairs Managing Editor: Shirley Yeung, Publications Manager Editor: Yu Nga-wing Copy Editors: Kelvin Au, Sendy Leung, Karen Liang Writers: Teri Fitsell, Kathy Griffin Design and production: one ZEBRA Limited