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.

Tonight's Instant Index:

Gaga Ball The final inaugural event was held Tuesday night. Lady Gaga and Tony Bennett provided the entertainment at the ball for Obama's staff. Bennett tweeted out: "On a date with my Lady tonight…"@ ladygaga: #whitehausball"

Courtesy Royd Chung

Dolphin Rescue Divers off the coast of Hawaii's Big Island helped a dolphin that was tangled in fishing line. The dolphin approached the divers and appeared to be asking for help.