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
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
When dragonflies mate, their tails form a love heart.
22
Some British police cars carry a teddy bear to console children after an accident.
46
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
One litter of kittens can be produced by more than one father.
57
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81