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No.2, 2021

	Contents
	66 In This Issue
	68 China and Russia Welcome International Participation in Lunar Research Station Project
	70 Book Launch: English Edition of DIIS Theory and Methodology in Think Tanks Released by Springer
	71 New Energy Technology Research – Opportunities and Challenges Officially Released in Beijing
	72 Zhurong Touches down on Mars for in situ Scientific Investigations
	74 China's Technological Research Capabilities See a Steady Growth
	76 SPECIAL: Towards Next-generation Rice – Following the Footprints of Late Academician YUAN Longping
	86 HIGHLIGHT: UHE Photons on the “Knee” Pose Challenges to Dominant Model on Origins of Cosmic Rays
	94 Int'l Cooperation: Working together to Explore Transients in the X-ray Universe -- An Interview with Dr. Erik Kuulkers, ESA Project Scientist for Einstein Probe
	99 ThinkTank Report: Developing Nutritious Crops, Improving the Nutritional Quality of Farm Produce in China
	103 FAST Detects First Evidence for 3D Spin-velocity Alignment in a Pulsar
	104 New FAST Discoveries Shed Light on Pulsars
	106 Evidence for PeVatrons, the Milky Way’s Most Powerful Particle Accelerators
	108 Genome Analyses Reveal the Origin of Specialized Body Plan in Flatfishes
	110 Machine Learning Helps Mining Microalgal Cell Factories for Reducing Carbon Emissions
	112 Researchers Discover the Neural Circuit Mechanism Underlying an Intelligent and Flexible Decision-Making Behavior
	115 Discovery of New Echolocating Mammalian Lineage
	117 Tuning the Length of Fatty Acids in Oil-producing Microalgae
	119 Researchers Unravel Genome-wide Variations in the Secondary Structure of Human Genomic DNA
	120 New Mechanism Revealed for Tumor-associated Macrophages to Regulate the Fate of CD8+ T Cells
	122 Study Sheds Light on Population History of Northern East Asia
	124 New Findings Unveil a Missing Piece of Human Prehistory
	126 Scientists Discover Two New Species of Ancient, Burrowing Mammal Ancestors --120-million-year-old animals evolved “scratch digging” traits independently