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Article summary and answer:
The article provides several science-related news briefs. The first brief concerns the discovery of a new dinosaur species, named Yi qi, in China. The second brief discusses the phenomenon of « Covid long, » where some patients experience long-term symptoms after recovering from Covid-19. The third brief announces the publication of a new star map, cataloging over a billion celestial objects.
The answer to the article is:
1. A new dinosaur species named Yi qi has been discovered in China.
2. Some patients experience long-term symptoms after recovering from Covid-19, known as « Covid long. »
3. A new star map has been published, cataloging over a billion celestial objects.