Science

When the Centers for Disease Control and Prevention told Americans in January that they did not have to wear masks, Dr. S. Vincent Rajkumar, a professor at the Mayo Clinic and the editor of the Blood Cancer Journal, did not believe his ears. But he remained silent until Zeynep Tufekci …

Democratic presidential candidate Joe Biden has two words for President Trump when the current White House resident asks his mental fitness: “Watch me.” Biden, who sat for his first interview alongside running mate Sen. Kamala Harris of California, defends his ability after months of Trump that he had smeared himself …

WASHINGTON – After expressing frustration over the slow pace of approval for coronavirus treatments, President Donald Trump on Sunday announced the emergency authorization of convalescent plasma for COVID-19 patients. The announcement came after days of White House officials suggesting there were politically motivated delays by the Food and Drug Administration …

A new genomic study ranks the potential of the SARS-CoV-2 spike protein to bind to the ACE2 receptor site in 410 vertebrate animals. Old world primates and great apes, which have identical amino acids on the binding site as humans, are predicted to have a very high tendency to bind …

This animation shows the rotation of comet C / 2020 F3 (NEOWISE) shortly after its passage through the sun. The two images were taken three hours apart on August 8, 2020 by NASA’s Hubble Space Telescope. Two jets coming from the core of the comet are fanned by the rotation …