Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
When cats are happy, they may squeeze their eyes shut.
10
A new born kangaroo is small enough to fit in a spoon!
7
There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
1