Science

Vote to reject Iran nuclear deal fails, handing victory to Obama
The final vote tally was 58-42. Following the vote, Senate Majority Leader Mitch McConnell blasted his Democratic colleagues, asking why they are protecting the president from having to issue a veto.
Officials are investigating two years of state water quality testing, including data connected to water systems in Edina, St. Louis Park and Brooklyn Center. Officials say there's no immediate health risk.
Warning calls decoded: Squirrels take up bird alarms to foil the enemy
It can take more than just a keen ear to figure out what animals are saying. Sometimes, scientists are learning, you have to talk back to map the rich networks of conversation in a forest.