Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
There is one slot machine in Las Vegas for every eight inhabitants.
58
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The WD in WD-40 stands for Water Displacer.
30
The average cough comes out of your mouth at 60 miles per hour.
126
It takes the same amount of time to age a cigar as wine.
25
An iceberg contains more heat than a lit match.
73
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7