Dolphins have names for one another.
18
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Some British police cars carry a teddy bear to console children after an accident.
46
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Raj from the Big Bang Theory is married to Miss India.
11
A group of pugs is called a grumble.
10