Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
Some British police cars carry a teddy bear to console children after an accident.
46