Dolphins have names for one another.
18
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Some British police cars carry a teddy bear to console children after an accident.
46
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26