Elon Musk has started a new company called Neuralink, in what's widely seen as a bid to add a symbiotic computer layer to the human brain. Susana Gonzalez/Bloomberg via Getty Images hide caption

toggle caption
Susana Gonzalez/Bloomberg via Getty Images

Sears, once the monolith of American retail, says that there is "substantial doubt" that it will be able to keep its doors open. Company shares tumbled more than 12 percent Wednesday. Above, the department store's location in Brooklyn's Flatbush neighborhood today. Bebeto Matthews/AP hide caption

toggle caption
Bebeto Matthews/AP

Google says it will improve its internal systems and give advertisers more control of where their spots appear, responding to complaints about the pairing of paid ads with offensive content. Marcio Jose Sanchez/AP hide caption

toggle caption
Marcio Jose Sanchez/AP

U.S. Treasury Secretary Steven Mnuchin, right, and German Finance Minister Wolfgang Schaeuble, left, address the media during a joint press conference in Berlin, Germany, on Thursday in advance of the weekend's G20 summit. Michael Sohn/AP hide caption

toggle caption
Michael Sohn/AP

Richard Cordray, director of the Consumer Financial Protection Bureau, testifies before a Senate committee last year. The Trump administration is trying to bring the independent bureau under the president's direct control. Alex Wong/Getty Images hide caption

toggle caption
Alex Wong/Getty Images

Saying that not all businesses are following a current equal-pay standard, Iceland's Prime Minister Bjarni Benediktsson is moving to require companies to prove they pay equal amounts to male and female workers. Angela Weiss/AFP/Getty Images hide caption

toggle caption
Angela Weiss/AFP/Getty Images

Anthony Levandowski, who co-founded Otto and is now head of Uber's self-driving-vehicle project, is accused of taking proprietary designs and information with him when he left the Google spinoff Waymo. AFP/Getty Images hide caption

toggle caption
AFP/Getty Images

Workers assemble Boeing 787s at the company's plant in North Charleston, S.C., in 2015. Results of a vote released Wednesday show workers have rejected union representation. Bruce Smith/AP hide caption

toggle caption
Bruce Smith/AP

Olivia One Feather (center) of the Standing Rock Sioux tribe holds up her fist after the Seattle City Council voted Tuesday to divest from Wells Fargo over its role as a lender to the Dakota Access Pipeline project. Elaine Thompson/AP hide caption

toggle caption
Elaine Thompson/AP