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.

Panda Watch at the National Zoo There is a panda watch under way at the National Zoo in Washington, D.C. Scientists say the female giant panda may be pregnant. She has been building a nest, is sensitive to noise and her hormone levels are high - there's no word yet on whether she's craving ice cream. The zoo has closed part of the panda exhibit so she can have some privacy.

(Chip Somodevilla/Getty Images)

Rare Marilyn Monroe Photos to Be Auctioned New photos of Marilyn Monroe charming U.S. troops in Korea during the war are set to be auctioned next month. One soldier even captured the moment when Monroe, then 28, touched down in a helicopter. All of the photos create a glamorous time capsule.

Rare Michael Jackson-Freddy Mercury Duets Set for Release Back in the 1980s, two music legends, Michael Jackson and Queen frontman Freddy Mercury, met at Jackson's home for a secret recording session. Jackson was riding high after his album "Thriller." Their duets were never released but now Queen guitarist Brian May has dusted them off. He's getting ready to release the duets this fall.