In a century-old building in Tehran, Saeed Anvarinejad turned the dial of a vintage radio to tune into some of Iran's ...

Earth's magnetic field dramatically flipped a little more than 40,000 years ago. We can now experience this epic upheaval, thanks to a clever interpretation of information collected by the European ...

Heart sounds are one tool providers use to assess heart health. Learn about systolic, diastolic, and S1 to S4 heart sounds in ...