The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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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
A group of kittens is called a "kindle".
10
When dragonflies mate, their tails form a love heart.
22