A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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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
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
Some British police cars carry a teddy bear to console children after an accident.
46
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