Secretary of Education Arne Duncan has spent much of the back-to-school season talking with teachers and parents. His department recently oversaw the awarding of more than $4 billion to public schools in select states. While he's addressed countless teachers in recent weeks, now, he tackles students' questions.

Unmarried women between the ages of 22 and 30 are making 8 percent more than men in the same demographic, according to a new analysis of government data by a private research firm. It's partly because more women are college educated. But overall, women still make less than men.

BYU says it is leaving the Mountain West Conference and will go independent in football while joining the West Coast Conference in all other sports in the 2011-2012 school year.