In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Dolphins have names for one another.
18
There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
1
Some British police cars carry a teddy bear to console children after an accident.
46
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When cats are happy, they may squeeze their eyes shut.
10