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Misha Krassovski, a computer scientist at Oak Ridge National Laboratory, stands in front of the Polarstern, a 400-foot long German icebreaker. Krassovski lived aboard the Polarstern during the first leg of the MOSAiC mission, the largest polar expedition ever. Credit: Misha Krassovski/Oak Ridge National Laboratory, U.S. Dept. of Energy

In the vast frozen whiteness of the central Arctic, the Polarstern, a German research vessel, has settled into the ice for a yearlong float.

Heat impact map

A detailed study by Oak Ridge National Laboratory estimated how much more—or less—energy United States residents might consume by 2050 relative to predicted shifts in seasonal weather patterns 

The Roane State Community College associates are (from left) Jeff Manning, Chris Zerr, Bruce Lester, Joe Pyle, Darrell Roddy and Rusty Dryman.

Bruce Lester has had a lot of jobs: fisherman, horse trainer, “professional stair builder.” He last worked for a real estate company, surveying land using geographic software. “When the bottom fell out of the construction industry and the company downsized, I got laid off,” 

Default image of ORNL entry sign
Researchers at the Department of Energy’s Oak Ridge National Laboratory have developed a population distribution model that provides unprecedented county-level predictions of where people will live in the U.S. in the coming decades.