Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2