It's just a bit of genetic material wrapped in protein and fat. But the virus behind COVID-19 can wreak havoc deep inside human lungs when it triggers the immune system to go into overdrive.
The Mosaic expedition is an international project to study the warming Arctic. For a year, scientists are taking turns living in an icebreaker, frozen alongside an ice floe in the Arctic Ocean.
NPR's science and political correspondents discuss challenges that states are facing as they attempt to reopen their economies amid the coronavirus outbreak.
Over 9 million Americans have lost both their job and health coverage. To help them, COBRA is an option, but it could cost buyers more than if subsidies were increased for Affordable Care Act plans.
The tree killer is a bacterium called xylella fastidiosa. It has killed millions of olive trees in Italy and is now threatening Spain and Greece. These countries produce 95% of Europe's olive oil.
When SUNY Plattsburgh professor Jeremy Grabbe's 7-year-old triplets complained about not getting out because of social distancing, he enlisted their help in writing up a study.
Access to testing is still uneven in the nation's largest state. Even as some urban counties offer tests to anyone who wants one, a rural county is testing raw sewage to track the virus.