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Instacart raises $265 million, more than doubling its valuation to $39 billion.

The pandemic has supercharged Instacart’s growth as customers eager to avoid shopping in stores turn to the company’s grocery ordering service.

Colleges That Require Virus-Screening Tech Struggle to Say Whether It Works

Many schools that use fever scanners and symptom checkers have not rigorously studied if the technology has slowed the spread of Covid-19 on campuses.

Amazon Workers’ Union Drive Reaches Far Beyond Alabama

A vote on whether to form a union at the e-commerce giant’s warehouse in Bessemer, Ala., has become a labor showdown, drawing the attention of N.F.L. players, and the White House.