In the online edition of Geophysical Research Letters, Dr. Cheung Ching Wa Richard, Dr. Moriaki Yasuhara, Dr. Briony Mamo and Dr. Hokuto Iwatani (from School of Biological Sciences and Swire Institute of Marine Science, the University of Hong Kong), in collaboration with scientists at Shimane University, Pusan National University, Korean Institute of Geoscience and Mineral Resources, Kyoto University, and Shinshu University, reported their discovery on East Asian monsoon dynamics over the past 1,000 years.