The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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
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
When cats are happy, they may squeeze their eyes shut.
10