The gas-exchange rate between streams and the atmosphere is needed to measure in-stream ecological processes and C processing in rivers and streams. Current methods include empirical relationships to ...
Breathe easy, for now. Scientists say our breathable air won't last forever. A new NASA-supported study warns that Earth's oxygen supply is not a permanent feature of our planet. Though we often take ...
NASA sent the Perseverance rover to Mars with some bonus technology: a device that can turn carbon dioxide into oxygen, much as trees do on Earth. The device, called the Mars Oxygen In-Situ Resource ...