When cats are happy, they may squeeze their eyes shut.
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A new born kangaroo is small enough to fit in a spoon!
7
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
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
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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