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No.1, 2021

	Contents
	2 In This Issue
	4 World's Most Sensitive Radio Telescope Concludes 15-month Listening Session, Accepting International Proposals
	6 Water Cherenkov Detector Array at Large High-Altitude Air Shower Observatory Now in Operation
	8 VLBI: A Sharp Eye on Tianwen-1
	12 Special: Annual Top 10 Science Advances of 2020 in China – To Honor and to Inspire
	22 When Neighbors Talk with Each Other – Insight-HXMT and its identification of the sender of FRB 200428, a cosmic "telegram"
	31 Pin Down Sources for New Hepatocytes by Tracing Proliferating Cells
	34 Thoughts and Suggestions on China's Smart City Building
	40 Observation of the Zcs(3985) Strange Four-quark Meson: The first hidden-charm tetraquark state with non-zero strangeness
	42 Scientists Probe Electronic Angular Momentum to a Chemical Reaction for the First Time
	44 Novel Catalyst Boosts Hydrogenation of CO2 to Methanol: Higher Activity, Selectivity and Stability
	46 Recapitulating the Lung Pathophysiology of COVID-19 in a Human Organ Chip
	48 Targeting DNA-sensing Pathway may Save the Elderly from Aging-related Autoimmune Inflammation
	52 Scientists Provided and Practiced a Rational Strategy for Creating Novel Type of Rice Crop from a Wild Allotetraploid Rice
	54 Understanding the Architecture of Plant Immune System
	56 Engineering Platelets for Combined Anticancer Therapy
	58 Scientists Engineer Virus to Fight Against Bacteria
	59 Climate Change Influences Biodiversity Evolution of Birds: Study
	61 New Findings on Devonian "Platypus Fish" Cast Light on Evolution of Modern Jawed Vertebrates
	50 New Strategy to Develop an mRNA Vaccine for Durable Cancer Immunotherapy
	63 Researchers Announce World's First Dinosaur Preserved Sitting on Nest of Eggs that Includes Fossilized Babies