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
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
When dragonflies mate, their tails form a love heart.
22
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
One litter of kittens can be produced by more than one father.
57