Why do big dogs have unusually short lifespans compared to small dogs?
Dogs come in an astounding range of shapes and sizes. Explore how genetic differences impact age and how Loyal is working on extending the lives and health of large dogs.
The Canine 39: An encyclopedia of your dog’s genome
An average-sized dog may have 10 trillion cells in its body. If you stretched all the DNA in these cells end to end, how far would it reach?