When cats are happy, they may squeeze their eyes shut.
10
Some British police cars carry a teddy bear to console children after an accident.
46
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A group of pugs is called a grumble.
10
A puppy is born blind, deaf, and toothless.
16