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Signs that SARS-CoV-2 is evolving to avoid immune responses
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 […]
How to shut off a quasar
Enlarge / This quasar is over two billion light years away, yet is bright enough to outshine far closer galaxies. (credit: NASA/ESA) Active galaxies are some of the brightest objects in the Universe. These galaxies send out enormous jets of matter at near light speed, all powered by matter falling into the supermassive black hole […]
Why iPhone subscription plans make sense
Consumers may not own their iPhones in the future, but they’d get other perks. Read More