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Turns out living animals aren't the only ones with internal
clocks. Plants also have them and they're driven by sugar! Anthony
explains how they work.
![](http://static.ddmcdn.com/gif/volcano-mount-desert-island-maine-250.jpg)
Maine has supervolcanoes. Wait, Maine has volcanoes? Yes, and
their eruptions could have been among the biggest ever on Earth.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-11-nr-weller-ross-sea-02-776-mfksmall.jpg)
Russia again objects to a plan to protect Antarctic waters.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-11-coal-plant-co2-250.jpg)
Carbon dioxide emissions hit a record high in 2012, but could
have been even higher, according to a new report. The increase in
emissions was only 1.1 percent in 2012, compared to an average 2.9
percent over the past decade.
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