Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Baby rabbits are called kittens.
6
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Dolphins have names for one another.
18
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13