Planet Earth
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-08-pitch-drop-250.jpg)
An old experiment, dusty and shelved for much of its
duration, finally let fall a drop of asphalt in front of cameras for the
first time.
![](http://static.ddmcdn.com/gif/big-islands-1-greenland-250.jpg)
In a warming world, what could cause temperatures to suddenly plummet across the Northern Hemisphere?
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-07-SeaIcesmall.jpg)
Declines in Arctic sea ice will affect wildlife on land as well as in the ocean.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-08-climate-change-tied-to-a-violent-future-130801-250.jpg)
Human societies are more aggressive during climate extremes.
![](http://static.ddmcdn.com/gif/north-pole-lake-cam2_20130729-250.jpg)
A stunning blue meltwater lake that formed on the Arctic ice
in mid-July has disappeared, draining through a crack in the underlying
ice floe.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-07-Irazu-SMALL.jpg)
The Costa Rican volcano IrazĂș showed magma can travel on the “highway from hell.”
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