Sen. Tom Daschle (D-SD), the Senate minority leader, ends speculation by announcing he will not run for president in 2004. Hear more from NPR's David Welna.
African giant pouched rats use their acute sense of smell to sniff out landmines and detect TB in sputum samples. Now, they are set to become search-and-rescue specialists too.
A round up of this week's developments and drama in artificial intelligence: Apple announced a slew of AI features for its new iPhone and Elon Musk dropped his lawsuit against the maker of ChatGPT.