NEW HAVEN, Conn. (AP) — A team of college students is getting attention from internet companies and Congress after developing a browser extension that alerts users to fake and biased news stories and helps guide them to more balanced coverage.

The plug-in, "Open Mind ," was developed earlier this month during a 36-hour problem-solving competition known as a hackathon at Yale University.

The winning team was comprised of four students: Michael Lopez-Brau and Stefan Uddenberg, both doctoral students in Yale's psychology department; Alex Cui, an undergraduate who studies machine learning at the C...