Dolphins have names for one another.
18
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When cats are happy, they may squeeze their eyes shut.
10
A puppy is born blind, deaf, and toothless.
16