Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
One litter of kittens can be produced by more than one father.
57
When dragonflies mate, their tails form a love heart.
22
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81