What it means: The U.S. government issues short-term debt at a discount at a competitive auction, usually on a weekly basis. At a discount means the note is sold at a discount from face value and then ...

T cells are white blood cells that are important for adaptive immunity. They have unique cell surface receptors that are generated by randomly assorting genes. These receptors allow T cells to sense ...

Ex-AT&T lawyer who raised compliance concerns accused of ethics violations A former senior AT&T lawyer who said he raised concerns about the company's compliance with a school discount program has ...

Trump Stokes Chaos in Congress Over Housing and Voting Bills President Trump scrapped plans to sign a major housing bill, condemning “bad Republicans” for resisting his demands to ram through new ...

NPR's weekly news quiz hosted by Peter Sagal. Have a laugh and test your knowledge with today's funniest comedians and a celebrity guest.