Science and technology

Associated Press
FILE - In this March, 6, 1953, file photo, Jane Martin remains seated and files paperwork using a hydraulic lift in Chicago, Ill.  An Associated Press investigation released in January 2013 found that millions of mid-skill, mid-pay jobs have disappeared over the past five years and have been replaced with technology. Peter Lindert, an economist at the University of California-Davis, does not believe workers are doomed to unemployment. With the right skills and education, Lindert says, workers can learn to work with the machines and become productive enough to fend off the automation threat.  (AP Photo/Edward Kitch, File)

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