Dolphins have names for one another.
18
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
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
One litter of kittens can be produced by more than one father.
57
Baby rabbits are called kittens.
6
A puppy is born blind, deaf, and toothless.
16