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.
34
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
One litter of kittens can be produced by more than one father.
57