In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
When cats are happy, they may squeeze their eyes shut.
10
One litter of kittens can be produced by more than one father.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
When dragonflies mate, their tails form a love heart.
22
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