Wearing red increases attraction.
30
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Speed dating was invented by a Rabbi in 1999.
45
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103