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.
Taiwanese President Lai Ching-te vowed to defend the self-ruled island's sovereignty in the face of what he termed China's "expansionist ambitions," days after Beijing wrapped up live-fire military drills near its shores.
The protests began due to economic pressures, with Iran's currency rapidly depreciating. Demonstrators have also chanted against the country's theocracy.
NPR's Scott Detrow talks with Ana Gonzalez and cellist Yo-Yo Ma about their new podcast Our Common Nature from WNYC, which connects music with nature and place.