The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Dolphins have names for one another.
18
When dragonflies mate, their tails form a love heart.
22
When cats are happy, they may squeeze their eyes shut.
10