Enlarge / Vials of the AstraZeneca COVID-19 vaccine are seen during the opening of a vaccination center in Cyprus on March 22, 2021. (credit: Getty | Etienne Torbey) European medical regulators on Wednesday concluded that there is a strong link between AstraZeneca’s COVID-19 vaccine and life-threatening conditions involving the unusual combination of blood clots and […]
Enlarge / Photo taken on Dec. 4, 2020, shows the model of China’s first Mars probe Tianwen-1 lander and Zhurong rover at the Zhejiang International Intelligent Transportation Industry Expo 2020. (credit: Costfoto/Barcroft Media via Getty Images) As early as Friday evening in the United States, China will attempt to set its Tianwen-1 lander down on […]
Enlarge / The structure of the SARS-CoV-2 spike protein. (credit: University of Arkansas) Over the summer, you could almost hear a sigh of relief rising from the portion of the research community that was tracking the evolution of the SARS-CoV-2 virus. Viruses, especially those new to their hosts, often pick up mutations that help them […]