The National Science Foundation (NSF), already battered by White House directives and staff reductions, is plunging into deeper turmoil. According to sources who requested anonymity for fear of retribution, staff were told today that the agency’s 37 divisions—across all eight NSF directorates—are being abolished and the number of programs within those divisions will be drastically reduced. The current directors and deputy directors will lose their titles and might be reassigned to other positions at the agency or elsewhere in the federal government. As soon as this evening, NSF is also expected to send layoff notices to an unspecified number of...