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? Comment below with the stories you're talking about or tweet them to us using #InstantIndex and they could appear on World News.

A TINY IMPLANT THAT COULD SAVE YOUR LIFE

Image credit: EDFL

Scientists in Switzerland have created an implant that can warn you before you are about to have a heart attack. The monitor is implanted just under the skin and detects heart attack warning signs in the blood. The signs are then sent through bluetooth to your smartphone. Researchers hope the system will be commercially available within four years.

BIG BOX OFFICE HIT OVERSEAS

Trey Parker and Matt Stone Image credit: Joel Ryan/Invision/AP

'The Book of Mormon' ranked in the highest one day box office earnings in London theather history. Despite mixed reviews, the musical earned $3.2 million dollars worth of tickets after the first night the show opened. The first night The 'Book of Mormon' opened on Broadway in the U.S. it sold $1.5 million dollars in ticket sales.

TILDA SWINTON'S PERFORMANCE ART PIECE

Actress Tilda Swinton is drawing in crowds for her performance art piece at the New York's Museum of Modern Art. The actress, who won an oscar for the film 'Michael Clayton,' is intermittenly sleeping in a glass box. Each nap lasts for as long as the museum is open. Swinton has preformed the piece around the world since 1995, but this is the first time the actress can be seen sleeping for the sake of in the U.S.