In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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
Wearing red increases attraction.
30
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Men who kiss their wives in the morning live five years longer than those who don't.
1k