From the unconventional and awe-inspiring to the hilarious and heartwarming, here's a look at some of the most interesting photos, videos and stories that have our newsroom talking today. What's capturing your attention, filling your inbox and cluttering your Facebook/Twitter feed? Tweet us the stories you're talking about using #InstantIndex, or email us at ABC.WorldNews@abc.com, and they could appear on "World News."

(Courtesy: Rolling Stone)

Pope Francis and Rolling Stone Countless rock stars have graced the music magazine's cover over the years - from Adele and Bob Dylan, to Michael Jackson and Beyonce. But this time the magazine added a different kind of star to that list: Pope Francis. The pontiff was the first to make the cover. Read what the magazine had to say.

Billy Joel Is Back Monday night, Billy Joel kicked off a series of concerts at New York's Madison Square Garden. No one has reportedly tried it before. Joel will perform a concert a month - a kind of artist-in-residency - and will continue the open-ended gig as long as fans keep coming.