Secretary of State Marco Rubio approved less than 300 essential personnel as USAID staff in the U.S. and overseas rush to rapidly close missions and leave jobs by midnight Friday.
Congress holds the power of the purse. But President Trump and Elon Musk are swiftly using executive actions to dismantle federal programs funded and approved by Congress.
NPR's Ailsa Chang talks with Emily Kwong and Regina Barber of Short Wave about the fluid dynamics of crowds, an early fossil of a modern bird and new data on how people's moods change through the day.