Science

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.
New research claims bones found 80 years ago on Pacific atoll likely Amelia Earhart's
Richard Jantz, a forensics expert at the University of Tennessee, reanalyzed measurements from the bones. He says they are female and the right size to be Earhart's. But questions linger.
Your yard is a powerful force against climate change
Even tiny green spaces in urban areas appear to be more impactful in the fight against a warming climate than scientists realized.
Renewables now the number two source of power generation in Minnesota
Coal made up 39 percent of the energy Minnesota generated inside its borders in 2017. And while nuclear capacity is static, new wind and solar capacity added every year resulted in 25 percent of energy generated within the state.
Will we soon be seeing the end of gasoline cars?
Experts from the oil, electric and auto industries explore the future of the internal combustion engine, and the prospects for renewable fuels, new technologies, and robotic and electric cars.