tl,dr; Scientists no longer allowed to use federal funding to publish, attend meetings, or talk to the public. They cannot collaborate internationally. Grants can be cancelled for any reason, at any time, political appointees have a final say over what gets funded, and who gets funded.
A sensitive Defense Department branch responsible for uncovering and defending against terrorism plots has a new appointee: a Jan. 6 rioter who was pardoned President Trump. nyti.ms/43MLamL