One litter of kittens can be produced by more than one father.
57
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12