One litter of kittens can be produced by more than one father.
57
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
Dolphins have names for one another.
18
Raj from the Big Bang Theory is married to Miss India.
11