Bill Mak delivered a paper titled “Gargasaṃhitā and Vedic astral science in China – Early evidences of foreign transmission of the science of the Heavens from the ‘West’ ” at the Joseph Needham Symposium on Early Cultural & Scientific Transmission across Eurasia with China, organized by the Chinese University of Hong Kong and the Hong Kong University of Science and Technology, Hong Kong,China (March 26-27, 2018).