A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Dolphins have names for one another.
18
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A group of pugs is called a grumble.
10
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81