Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Dolphins have names for one another.
18
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11