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The Ruff Report: The secret to your dog's amazing sense of smell

Your dog is really a nose above you - and all other living creatures for that matter – when it comes to sense of smell, and researchers have discovered the secret as to why.


A dog has many more nerve cells in its far superior nasal cavity, giving it a heightened sense of smell and an amazing ability to sniff out anything from drugs to cancer, New Scientist magazine reports.


Pennsylvania State University researchers found that a complex network of mucus-covered tubes in a dog's nose pre-sorts smells, making it easier for the brain to identify them. The researchers found that different smell molecules are first picked up by receptors at different locations in a dog's airway network. Until now, research has focused on how receptors pick up different chemicals.

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"We've shown that the sorting out of the different odorants before they even get to the receptors is also important," said Brent Craven, head of the research team.

More reports about dogs and surveys:
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Is your dog's name on the most popular list?
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Which pet is most likely to be considered family?
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 The secret to your dog's amazing sense of smell
How much would you sacrifice for your dog
Face it, you really do look like your dog
The trick to helping dogs and cats get along 
Dog has become woman's best friend, too
Who's treated better - your pet or significant other? 
Smokers willing to quit for sake of pets
The top 10 dog parks in America 
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The canine is top dog in Britain
Pets are best medicine for sadness and stress

The Ruff Report's dogs and surveys Home page

The researchers presented the results of their study at a recent meeting of the American Physical Society's division of fluid dynamics in San Antonio, Texas.

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The Ruff Report is a column that appears on MySetterSam.com, a blog written by Joseph A. Reppucci, a retired editor from The Patriot Ledger in Quincy, Massachusetts. Mr. Reppucci worked as a reporter and editor on major daily newspapers in the Boston area for more than 30 years. He is the author of the book, The Hunt of Her Life, a heartwarming story about his once-in-a-lifetime rescue dog. Find it on Createspace.com and Amazon.com.

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Book sets signed by the author available here!

THE HUNT HER LIFE BOOK SERIES: Order your set signed by author Joseph A. Reppucci! The Original will touch your heart and the Sequel will lift your soul. *The Hunt of Her Life signed book series sets are only available to U.S. customers.

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