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A number to know: Oprah’s investment loss

$58 million

Oprah Winfrey lost nearly $58 million on paper from her investment in Weight Watchers International Wednesday morning as the company’s stock fell more than 36 percent.



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This composite image shows a robot monitoring participants at left and the robot’s display at right.
To test how well the algorithm might work in a warehouse, the researchers had a robot monitor participants performing activities in a warehouse-like setting. Within three seconds of the end of each activity, the robot showed a score on its display. (Parsa et al./IEEE Robotics and Automation Letters)

Researchers working on app that sees injury risks at work

Researchers at the University of Washington have developed a system that can monitor factory and warehouse workers and tell them if they risk musculoskeletal injuries in real time, and they’re using their knowledge to develop an app. The researchers used machine learning ...