When dragonflies mate, their tails form a love heart.
22
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
One litter of kittens can be produced by more than one father.
57
Some British police cars carry a teddy bear to console children after an accident.
46
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Raj from the Big Bang Theory is married to Miss India.
11