In response to White House concerns about allegedly risky research on viruses, bacteria, and other pathogens, the National Institutes of Health (NIH) has begun a crackdown on dozens of studies it was funding, ScienceInsider has learned. Citing President Donald Trump’s executive order promising greater oversight of “gain-of-function” (GOF) research that’s potentially dangerous, the agency has demanded the scientists leading those studies suspend part or all of their work and propose modifications...