比传统疫苗更好:新型鼻腔疫苗可以阻止COVID-19的传播 - 生物通



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Heart tissues beat half as strongly on the ISS as they do on Earth - Space.com
Paleontologists Unveil New Species of Sauropod Dinosaur - Sci.News

Launch Roundup: Vulcan ready for second flight; Hera mission set to study asteroid - NASASpaceflight.com
Northern lights primed to put on biggest show in decades over Canada - New York Post