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."

'Wheel of Fortune' Contestant Guesses Puzzle With 2 Letters A contestant shocked "Wheel of Fortune" host Pat Sajak on Wednesday by guessing a three-word, 12-letter puzzle with just the first two letters showing on the first word - 'N' and 'e.' And he guessed it on the first try. Obama Jokes With Ellen DeGeneres About Her 'Pretty Cheap Stunt' Ellen DeGeneres crushed President Obama's retweet record with her famous star-studded Oscar selfie. Now, she's rubbing it in. During an interview with the president, which aired today, DeGeneres said, "I don't know if you know this, but I was aiming to break your record of retweets and, I apologize for doing it, but I broke your retweet record." "I heard about that," Obama replied. "I thought it was a pretty cheap stunt myself. Getting a bunch of celebrities in the background … you feeding them pizza."

(Ellen)