Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
One litter of kittens can be produced by more than one father.
57
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When dragonflies mate, their tails form a love heart.
22
A puppy is born blind, deaf, and toothless.
16
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13