A series published in the Point Reyes Light last fall about the questionable science behind Marin’s breast cancer cluster won a gold award from the American Association for the Advancement of Science.

The association, a nonprofit that publishes the journal Science and has run the award program for 71 years, bestowed the AAAS Kavli Science Journalism Awards in eight categories, with entries spanning 56 countries. Gold winners receive $5,000, and silver $3,500. Winners this year…