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Instant Index: A Burger That Costs $330,000.

Diane Sawyer reveals the top stories people have been buzzing about this week.
1:28 | 08/05/13

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Transcript for Instant Index: A Burger That Costs $330,000.
At the top of our "instant index" tonight, a kind of canyon opening up in kansas? You heard it right, a rancher in kansas went up to see his pasture and found a hole instead, 90 feet deep and about the size of a football field. It's a mystery, a giant sink hole that isn't near an oil field or a broken water main. His cattle are all right but the rancher says the sink hole is growing and he can't keep the tourists away. For the first time in history we will tell you about a new kind of hamburger and here it is. What's different? Well, it costs $330,000 and years to make because it was created in a laboratory grown in a dish from the cells of a cow, not a cow itself. Scientists hoping some day living cattle won't be needed. Today two food reviewers tasted it, saying it was a little dry, causing us to think of this lady, remember? For one 4-year-old what's it like to go to work with daddy? Well, getting to watch him play golf, tiger woods won at the bridgestone yesterday matching a pga record for winning the same tournament and shattering another barrier. It's on his come back trail. Turns out his 4-year-old son charlie had never seen dad play and win. Woods said this day, this winning was a kind of special trophy for both of them.

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

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