Zebra Stripes May Act as Bug Repellent

Diane Sawyer reports the latest stories that have people buzzing.
3:00 | 04/02/14

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Transcript for Zebra Stripes May Act as Bug Repellent
Our "Instant index," tonight. Reporter: Starts an answer to an age-old question. Where does a zebra get its stripes? Those are nature's bug repellent, warding off flies. The stripes may keep the flies at bay. They confuse the flies, not knowing whether to land on the dark or the white. So, they fly on to a less glamorous victim. First, it was Kraft cheese. Subway, then chick-fil-a. Tonight, another iconic American brand announces it is changing to join the modern demand for natural foods. Philly cream cheese will use fewer artificial colors and flavors and more of the natural fruit and vegetable flavors. Look at these two pictures. For nearly 40 years they were hanging in the kitchen of an auto worker in Italy, who bought them for $30 in 1975. A steal, in more ways than one. Turns out they are stolen works of art worth $50 million. One's a Gogan, the other, a Bernard. Under Italian law, if he can prove he bought the paintings in good faith, he may be able to keep his life-changing $30 investment. And up next, right here,

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