Deliberately infecting healthy human volunteers with the SARS-CoV-2 virus in order to test the efficacy of potential COVID-19 vaccines is unnecessary, uninformative, and unethical. And it risks ...

The time frame of a species’ origins provides context for evolutionary questions. However, dates from fossils are often inconsistent with estimates from genetic data. Emerging evidence points to ...

F or the first time since the Centers for Disease Control and Prevention introduced its three-level risk system in March 2022, on June 30 its community level map of Covid-19 cases had the dubious ...

RRC asked Rosenfeld if uninformative research could also be termed “junk” studies or science. “We talked about this” as the recommendations were being drafted, he said.