Dolphins have names for one another.
18
A group of kittens is called a "kindle".
10
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
Sea otters hold hands while sleeping so they don’t drift away from each other.
104