When dragonflies mate, their tails form a love heart.
22
When cats are happy, they may squeeze their eyes shut.
10
A puppy is born blind, deaf, and toothless.
16
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
A new born kangaroo is small enough to fit in a spoon!
7