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.

New Portrait The White House has released a new official portrait of first lady Michelle Obama, featuring her new bangs.

Official White House Photo by Chuck Kennedy

Next Nobel? The Nobel Prize received some competition today when the $3 million " Breakthrough Prize in Life Sciences" was announced. It is the brainchild of Internet titans including Facebook's Mark Zuckerberg and Google's Sergey Brin. The prize will be awarded to 11 scientists who "think big and take risks."