In NPR's Elise Tries series, correspondent Elise Hu tests out new experiences in East Asia. In this episode: pore vacuuming, a hot trend in Korean beauty. A suction pen excavates grime from your face.
South Korea likes to point the finger at China for its pollution woes, but that's not the whole story. New research is examining how much Korean smog is caused by neighbors and how much is home-grown.