Decades of data on world’s oceans reveal a troubling oxygen decline
- May 4, 2017
- Georgia Institute of Technology
- The amount of dissolved oxygen contained in the water — an important measure of ocean health — has been declining for more than 20 years, reveals a new analysis of decades of data on oceans across the globe.
Scientists find giant wave rolling through the Perseus galaxy cluster
- May 2, 2017
- NASA/Goddard Space Flight Center
- Combining data from NASA’s Chandra X-ray Observatory with radio observations and computer simulations, an international team of scientists has discovered a 200,000-light-year wave of hot gas in the Perseus galaxy cluster.