After visiting and studying each exceptionally long-lived Rottweiler, Dr. Waters takes time to reflect and write about what this particular dog has taught him about the aging process, his own thought process ... and beyond.

Click the title below to read a passage from Dr. Waters' Muzzle Tour Journal.

The Family Safe

Upside Down in Texas

As Sweet As Rosie

Do Something Heroic

The Physics of CiCi

Never Dominated

Simple Sam

Mastering the Head of the Mouse

Muscle Builder

Code Breaker

Language in a Key of B, Association for Gerontology in Higher Education Education Leadership Conference

Story by Numbers: Old Grey Muzzle Tour 2015

Educating World Class Minds, Learning and the Brain Conference,May 7-9, 2015

Doggie Diva, Visit with "Bridget" in Salem, CT, May, 6, 2015

Rock Star, Visit with "Red" in New Milford, CT, May 5, 2015

History Lesson, Visit with "Ollie" in Livingston, NJ, May 4, 2015

Study the Few, Honor the Many

Big Softie, Visit with “Anakin” in Hinckley, IL, May 1, 2015

A Serious Player, Visit with “Rocky” in Crystal Lake, IL, April 30, 2015

A Case of Goat Fever, Visit with "Freya"in El Cajon, CA, April 15, 2015

Walking On Eggshells, Visit with "Colt" in Gilroy, CA, April 19, 2015

The Pride of a Protector, Visit with "Riot" in Walnut Creek, CA, April 20, 2015

Visit with "Hanna" in Kennewick, WA, April 12, 2015

A Slowly Beating Heart, Visit with "Girlfriend" in Tualatin, OR, April 12, 2015

Visit with "Baby" in Chicago, IL, April 4, 2015

A Pair of Discoveries, Celebration Stop in New York, NY, March 30, 2015

A Tale of Two Sisters

Old Grey Muzzle Tour Celebration Stop, Midwestern University, April 7, 2015

Old Grey Muzzle Tour Celebration Stop, Rocky River, OH, March 26, 2015

Exploring the Explorer's Mind

Visit with "GypC" in Cadogan, PA, March 22, 2015

Stretching Young Minds, March 24, 2015

Celebraing The Old Grey Muzzle Tour, March 29, 2015

Visit with "Yoda" in Milesburg, PA, March 20, 2015

Visit with "Ava" in Henrietta, NY, March 18, 2015

Looking for Pizza and Renewal, March 14, 2015

Visit with "Tiki" in Cocoa Beach, FL, March 9, 2015