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."

Brain Games' Benefits Last a Decade, Study Finds A groundbreaking new study from the National Institutes of Health found that brain games that sharpen your focus have a big payoff. After just six weeks of playing one of these games, participants found it easier to manage daily life, such as paying bills, cooking and keeping medications straight.

Jerry Seinfeld, Jason Alexander Spotted at 'Seinfeld' Diner Today, Jerry Seinfeld and Jason Alexander were spotted walking into Tom's Restaurant - the NYC deli where "Seinfeld" was filmed in the 1990s and that the world knows as Monk's. Twitter was abuzz as pics surfaced of the iconic duo walking into the restaurant. Pictures from other angles show video cables feeding into the establishment, which means filming of some sort was going on. No official word on what they were up to.

(Photo Credit: @ClubAliP/Twitter)

Pastor Gives One - Minute Sermon so He Can Watch 49ers Game The afternoon service for a pastor in Montana coincided with the San Francisco 49ers playoff game Sunday so he decided to speed things up. "Would you all like to be forgiven for your sins? OK. Great, you are. There's some bread and wine up here on the table. Feel free to help yourself," he said. "Go in peace to love and serve the Lord. OK, we will." The pastor had a 49ers T-shirt under his robe. God apparently didn't mind the abbreviated sermon - the 49ers won.