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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Some British police cars carry a teddy bear to console children after an accident.
46
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
One litter of kittens can be produced by more than one father.
57