When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
Raj from the Big Bang Theory is married to Miss India.
11
Dolphins have names for one another.
18
When cats are happy, they may squeeze their eyes shut.
10