A group of pugs is called a grumble.
10
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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