Dolphins have names for one another.
18
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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A puppy is born blind, deaf, and toothless.
16
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10