Researchers at Caltech have developed a "smart mask" to screen for conditions like respiratory infections, COPD, asthma and post-COVID infections. Doctors share their opinions.
Engineers at the University of California San Diego have developed an electronic finger wrap that monitors important chemical levels using only human sweat. Here's how it works.
Four victims were killed on Sept. 4, 2024, including two students and two teachers, when a lone gunman opened fire at Apalachee High School in Barrow County, Georgia.