One litter of kittens can be produced by more than one father.
57
Raj from the Big Bang Theory is married to Miss India.
11
Dolphins have names for one another.
18
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13