A new born kangaroo is small enough to fit in a spoon!
7
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When cats are happy, they may squeeze their eyes shut.
10
A puppy is born blind, deaf, and toothless.
16
Sea otters hold hands while sleeping so they don’t drift away from each other.
104