Under the conditions of the Hamiltonian principle, information is exchanged between two masses during an interaction by ...

allowing some of its most prized staffers to work remotely amid worries that recent layoffs and resignations could jeopardize basic functions, like approving new medicines. An internal email ...

WASHINGTON — (AP) — Weeks after ordering all Food and Drug Administration employees back into the office, the agency is reversing course, allowing some of its most prized staffers to work remotely ...