Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.
Congress has approved $60 billion in military aid for Ukraine. Here's a look at what it it's likely to include and how it might reshape the battlefield.
UNICEF says one child is injured or killed in Gaza every 10 minutes. This is the story of a 12-year-old boy shot by Israeli forces while he was trying to get food aid.