Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
When cats are happy, they may squeeze their eyes shut.
10
Baby rabbits are called kittens.
6
Sea otters hold hands while sleeping so they don’t drift away from each other.
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