San José State University - Animal Longevity and Scale http://www.sjsu.edu/faculty/watkins/longevity.htm http://www.sjsu.edu/faculty/watkins/longevity.htm human heartbeats over a lifespan with animals, San José State University - Animal Longevity and Scale San José State University - Animal Longevity and Scale http://www.sjsu.edu/faculty/watkins/longevity.htm San José State University - Animal Longevity and Scale human heartbeats over a lifespan with animals, http://www.sjsu.edu/faculty/watkins/longevity.htm http://www.sjsu.edu/faculty/watkins/longevity.htm Animal Longevity and Scale Animal Longevity and Scale http://www.sjsu.edu/faculty/watkins/longevity.htm http://www.sjsu.edu/faculty/watkins/longevity.htm San José State University - Animal Longevity and Scale http://www.sjsu.edu/faculty/watkins/longevity.htm âAnimal Longevity and Scaleâ San José State University - Animal Longevity and Scale âAnimal Longevity and Scaleâ