The U.S. Border Patrol uses wild mustangs rounded up from the Rockies as it takes its hunt for smugglers into the most rugged terrain on the Arizona-Mexico border. Joshua Lott/Reuters/Landov hide caption

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Wild Mustangs Give Patrol Horsepower On The Border
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Bidding Farewell to Lonesome George
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The 'Other Audubon': A Family's Passion
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Barbara and Norman Roux stand in front of cattle pens on their farm outside of Moundridge, Kan., where she has raised cattle for nearly 70 years. Peggy Lowe/Harvest Public Media hide caption

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Unlike Chicken And Pork, Beef Still Begins With Small Family Ranches
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Only Luxembourgers eat more meat per person than Americans. iStockphoto.com hide caption

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A Nation Of Meat Eaters: See How It All Adds Up
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Reviving Extinct Species May Not Be Science Fiction
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Seeking The Micro, Scientists Find The Big Picture
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Researchers Observe Climate Change, First-Hand
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Famed Tortoise Dies In Galapagos Islands
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Bird Flu Research Illustrates Dual-Use Issues
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Massive N.M. Fire Threatens Endangered Fish
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