Instant Index: Titanic's Sunken Jewels on Display, Lance Armstrong Cuts Livestrong Ties

Diane Sawyer reports what news stories have people talking around the world.
3:00 | 11/12/12

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Transcript for Instant Index: Titanic's Sunken Jewels on Display, Lance Armstrong Cuts Livestrong Ties
And now, our "instant index." Starting with this video, the titanic's doomed lovers, jack and rose and the jewel, the heart of the ocean. What is it, a sapphire? It's a diamond. A very rare diamond. Tonight, we can show you the real jewels of the titanic. And there they are. Diamonds and, indeed, there are more diamonds, more diamonds, sapphires and gold. All found in one bag, two and a half miles under the sea by that titanic exploration team. The jewels are traveling, on display, starting in atlanta later this week. And, some breathtaking photos to free your imagination. Ordinary moments, celebrated in extraordinary ways. Like, catching a subway. Shoveling snow. Hitting the surf. All part of project "dancers among us," professionals reminding the rest of us to be alive to have a chance to dance. And, our person in the news, lance armstrong. He has now severed all ties with the livestrong charity he helped found. But the cyclist accused of doping sent a defiant tweet. A picture, armstrong in his living room surrounded by his seven yellow jerseys from the tour de France, and the caption, quote, back in austin and just laying around. It's been retweeted 8,000 times and counting. And, we always want to hear from you, so, tell us which pictu pictures, people and quotes capture your imagination, every day. Online at abcnews.Com or tweet them to me, @dianesawyer. And coming up, a salute to

This transcript has been automatically generated and may not be 100% accurate.

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