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
You burn 26 calories in a one minute kiss.
605
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A man's beard grows fastest when he anticipates sex.
239