A puppy is born blind, deaf, and toothless.
16
When dragonflies mate, their tails form a love heart.
22
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Sea otters hold hands while sleeping so they don’t drift away from each other.
104