Video: Working Dogs Go Beyond "Man's Best Friend"

What's This? SHARE Digg StumbleUpon Reddit RELATED Dogs Smell Cancer in Patients' Breath, Study Shows Dog Genome Mapped, Shows Similarities to Humans National Geographic Channel: Dog Whisperer February 17, 2006—They're tireless defenders, life-saving rescuers, and even amateur therapists. Learn how cultures around the world have benefited from the efforts of working dogs, and see what makes the animals so good at what they do. EMAIL NEWSLETTER Photos and News of the Week Get the top photos and news of the week from National Geographic News, plus occasional breaking-news alerts. See Sample >> Please enter a valid email address Thank You! Subscription accepted. An email confirmation will be sent. Privacy Policy MOST VIEWED NEWS Earth's Core, Magnetic Field Changing Fast, Study Says Even Modest Increases in MPG Can Equal Big Gas Savings Amazon Tribe Attacked by Masked Gunners NEWS FEEDS      Get our news delivered directly to your desktop—free. How to Use XML or RSS