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Amazon’s last-minute contributions have critics laser-focused on tech’s influence in local politics. Several candidates and members of the Seattle City Council held a demonstration at the company’s headquarters last week to protest corporate money in politics. Councilmember Lorena González has introduced legislation that would cap donations to political action committees in Seattle at ,000, challenging an interpretation of the 2010 “Citizens United” Supreme Court case.

American chemical engineers have developed a new sensor that allow them to see inside cancer cells and determine whether the cells are responding to a particular type of chemotherapy drug.

Amid the legal skirmishing, Wednesday was a day of verbal fireworks.

Among the defeated measures, a background-check proposal fell apart on the Senate floor just six votes short of the 60-vote threshold required for approval.

Amazon’s biggest foray into live sports so far came when it dropped a reported million to stream 11 NFL Thursday Night Football games. Amazon beat out several other bidders, including Twitter, which paid a reported million to broadcast 10 games last season.