A puppy is born blind, deaf, and toothless.
16
When dragonflies mate, their tails form a love heart.
22
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Raj from the Big Bang Theory is married to Miss India.
11
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Dolphins have names for one another.
18