Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
A group of kittens is called a "kindle".
10
A puppy is born blind, deaf, and toothless.
16
Raj from the Big Bang Theory is married to Miss India.
11