Instant Index: Bear Craves Chinese Food; Largest Egg Ever Laid

Diane Sawyer reveals the top stories that have people buzzing this week.
1:45 | 03/28/13

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Transcript for Instant Index: Bear Craves Chinese Food; Largest Egg Ever Laid
Our instant index tonight starts with a kind of real life goldilocks. A man in southern california heard his dog howling, ran downstairs, locked eyes with a black bear in his living room. He grabbed his dog, bolted himself in in an unstairs bedroom. As he waited, he saw another bear in the backyard. But there was a clue left in the kitchen, half eaten chinese food. They think the bear smelled it through an open window and decided to swing by for lunch. Now a window to our planet 400 years ago. Look again. It's 100 times bigger than the eggs in your refrigerator and believed to be the egg of an extinct elephant bird, a kind of oversized ostrich. Ten feet tall, weighing half a ton, a giant that feasted on plants. It's believed to be the largest egg ever laid on earth, even bigger than the dinosaur eggs in jurassic park. It's going on auction at christie's next month. And news about the shroud of turin. The linen cloth bearing the image of a man with wounds of crucifixion. For years the faithful have debated, are they the images are jesus. Scientists have used infrared light and radiation wave length and they think it proves the cloth dates back to the time of christ's death, 2,000 years ago, between 300 bc and 300 ad. They also found traces of dust and pollen from the holy land. The intriguing mystery deepens.

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

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