The National Institutes of Health has quietly erased the Wuhan Institute of Virology the lab facility at the center of speculation about the origin of COVID-19 from its list of labs that can conduct animal testing with U.S. money.
At least three Russian scientists who have worked on hypersonic missile development have been arrested on suspicion of treason over the past year, their colleagues said in an open letter published Monday.
Traces of sex hormones extracted from a woolly mammoth's tusk provide the first direct evidence that adult males experienced musth, a testosterone-driven episode of heightened aggression against rival males, according to a new University of Michigan-led study.