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.

J.K. Rowling Writing New Wizarding World Film "Harry Potter" fans unite! Warner Bros. announced today that J.K. Rowling, the author of the wildly popular book series, is writing a new film. It will be based on "Fantastic Beasts and Where to Find Them," a fictious textbook for the wizarding world she created in the "Potter" books. In a statement, Rowling said the movie "is neither a prequel nor a sequel to the 'Harry Potter' series, but an extension of the wizarding world." The story will begin in New York, 70 years before the start of Potter's story.

(Ben Pruchnie/Getty Images)

'Invisible' Skyscraper to be Built in South Korea The world's first "invisible" skyscraper is set to be built in South Korea. It will be called the "Tower Infinity" and the exterior will be covered in LED screens. Optical cameras nearby will project images making it blend with the background. The proposed tower will be 1,467 feet tall and will be used for "entertainment and leisure purposes."

Flying Frog Caught on Camera at NASA Moon Rocket Launch NASA's unmanned LADEE rocket headed to the moon with an unexpected passenger, a small frog that was caught on camera launching into the air from its home in the marshy wetlands surrounding the Wallops Flight Facility in Virginia. One of three still cameras set up around the launch site, triggered by sound, caught the small frog in the air.