Diseases, Conditions, Syndromes

An early warning system: Testing wastewater for COVID-19

Wastewater samples prove everyone infected with COVID-19 'poops' out a little of the rapidly evolving disease. While researchers say the wastewater is not known to be infectious, it does show that COVID-19—the root cause ...

Medical research

Sound waves for your health

You may not be able to hear them, but they help to diagnose and treat patients every day. In the past 40 years, ultrasound imaging has gone from blurry black-and-white images, to sharp 3-D images in real time. And the technology ...