Science The latest health and science news. Updates on medicine, healthy living, nutrition, drugs, diet, and advances in science and technology. Subscribe to the Health & Science podcast.
alicemoi/Getty Images/RooM RF

Observations of the GOODS-North field are used to try to understand dark energy. P. Oesch/University of Geneva; M. Montes/University of New South Wales/ESA/NASA hide caption

toggle caption
P. Oesch/University of Geneva; M. Montes/University of New South Wales/ESA/NASA

'Disease tolerance' is the ability of an individual, due to a genetic predisposition or some aspect of behavior or lifestyle, to thrive despite being infected with an amount of pathogen that sickens others. It might play a role in asymptomatic coronavirus infections. Alexander Spatari/Getty Images hide caption

toggle caption
Alexander Spatari/Getty Images

Hurricane Laura caused a fire at a chemical plant owned by BioLab in Westlake, La. The plant manufactures chemicals for swimming pools. Gerald Herbert/AP hide caption

toggle caption
Gerald Herbert/AP

The five largest fires in California history have occurred since 2003, a sign that climate change is making extreme wildfires more frequent. Josh Edelson/AFP via Getty Images hide caption

toggle caption
Josh Edelson/AFP via Getty Images

Everything Is Unprecedented. Welcome To Your Hotter Earth

  • Download
  • <iframe src="https://www.npr.org/player/embed/905622947/906952149" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Teacher Alisha Morris created an interactive tracker of coronavirus in schools, current through Aug. 23, including this map, created by another volunteer. The National Education Association will now take on updates to the database. US schools tracker/Screenshot by NPR hide caption

toggle caption
US schools tracker/Screenshot by NPR

How Many Coronavirus Cases Are Happening In Schools? This Tracker Keeps Count

  • Download
  • <iframe src="https://www.npr.org/player/embed/906263926/906952131" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Frances Acuña drives through southeast Austin with a sensor attached to her driver's side door. It's part of a federal study to measure rising urban heat. Gabriel C. Pérez/KUT News hide caption

toggle caption
Gabriel C. Pérez/KUT News

Several influenza vaccines have been made in the form of a nasal spray, instead of an injection. The sprays confer two kinds of immunity to the recipient but can be difficult technologically to make. Tim Sloan/AFP via Getty Images hide caption

toggle caption
Tim Sloan/AFP via Getty Images

What A Nasal Spray Vaccine Against COVID-19 Might Do Even Better Than A Shot

  • Download
  • <iframe src="https://www.npr.org/player/embed/906797539/906971732" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Since its completion in 1963, the Arecibo Observatory has played a key role in discoveries ranging from new insights into pulsars to detecting planets outside our solar system. Universal Images Group via Getty Images hide caption

toggle caption
Universal Images Group via Getty Images

Parnell McKay, the civil defense director of Pass Christian, Miss., looks over the town's main business district on Aug. 23, 1969 after Hurricane Camille passed through. Jack Thornell/AP hide caption

toggle caption
Jack Thornell/AP

Where Did Earth's Water Come From?

  • Download
  • <iframe src="https://www.npr.org/player/embed/906791690/906791691" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The Pacific Ocean from space. In both liquid and frozen form, water covers most of the Earth's surface, and there's been a debate among scientists about where all the water originated. Stocktrek Images/Getty Images hide caption

toggle caption
Stocktrek Images/Getty Images

Water, Water, Every Where — And Now Scientists Know Where It Came From

  • Download
  • <iframe src="https://www.npr.org/player/embed/906654225/906835773" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">