Dolphins have names for one another.
18
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81