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
When dragonflies mate, their tails form a love heart.
22
One litter of kittens can be produced by more than one father.
57
Dolphins have names for one another.
18
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11