National Geographic Explorer

Season 3 Episode 2

Science of Dogs

Aired Monday 10:00 PM Aug 15, 2007 on National Geographic
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Episode Summary

Science of Dogs
Dogs: many see these animals simply as "man's best friend," playful companions that bring comfort and friendship. However, this episode explores the hidden world of selective dog breeding; that is, dogs bred specifically for one task. While this dubious method can produce fantastic results... it can also lead to serious genetic problems. When does breeding go too far?moreless

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