Coronavirus disease (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), continues to wreak havoc globally, so scientists are rushing to develop an effective drug or vaccine to fight the infection. Since the epidemic began in December 2019.5 More than 33. million people have been infected, finding treatment for …
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Earlier this year, astronomers announced a dazzling discovery. A rapid radio burst named FRB 121102 was not just repeated – it was repeated on a recognizable cycle. For about 67 days, the source is silent. Then, for about 90 days, it wakes up, spits out repeated millisecond radio flights before …
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The International Space Station (ISS), in Earth orbit at hundreds of kilometers altitude, is not perfectly airtight. Every day, the cabin loses a minute how much air, carefully controlled so that a viable atmospheric pressure can be maintained, and to identify leaks. Now the last one just happened, just two …
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