Science

Facial scanning now arriving at U.S. airports
Airlines say taking a picture of your face speeds boarding, and Homeland Security says it stops fraud. But critics worry about privacy and bias.
Republicans in the Minnesota Senate advanced a measure Tuesday to abolish Minnesota IT Services and replace it with a new information technology division. MNIT is facing heavy scrutiny amid the troubled rollout of the state's new license plate database, MNLARS.
Can you believe it? On Twitter, false stories shared more widely than true ones
An MIT study tracked 126,000 stories and found that false ones were 70 percent more likely to be retweeted than ones that were true. Twitter is asking outside experts to help it deal with the problem.
Digital ads, social media hide political campaign messaging
With the explosion of Facebook, Twitter and YouTube as political platforms, some of a campaign's most pivotal efforts happen in the often-murky world of social media, where ads can be targeted to ever-narrower slices of the electorate and run continuously with no disclosure of who is paying for them.
How to break up the technology 'boys' club
A searing look at what's happening to women in the technology world. Journalist Emily Chang is the author of "Brotopia: Breaking Up the Boys' Club of Silicon Valley."
Did 3M pay a professor to influence science on harmful chemical?
Attorney General Lori Swanson's office is alleging that a renowned toxicologist took at least $2 million in payments from 3M to help the company "command" science regarding a toxic chemical that was at the heart of a lawsuit brought by the state.