32 by gardenfelder | 17 comments on Hacker News.
New top story on Hacker News: The Upper Atmosphere Is Cooling, Prompting New Climate Concerns
The Upper Atmosphere Is Cooling, Prompting New Climate Concerns
32 by gardenfelder | 17 comments on Hacker News.
32 by gardenfelder | 17 comments on Hacker News.
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