Science Friday: Decades of data on world’s oceans reveal a troubling oxygen decline | Scientists find giant wave rolling through the Perseus galaxy cluster

Decades of data on world’s oceans reveal a troubling oxygen decline

Date:
May 4, 2017
Source:
Georgia Institute of Technology
Summary:
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.

https://www.sciencedaily.com/releases/2017/05/170504104346.htm


Scientists find giant wave rolling through the Perseus galaxy cluster

Date:
May 2, 2017
Source:
NASA/Goddard Space Flight Center
Summary:
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.

https://www.sciencedaily.com/releases/2017/05/170502142400.htm

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