A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
40% of people who are rejected in romantic love slip into clinical depression.
72
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
The world's tallest man reached 8 feet 11 inches at 21.
202
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Women mature much faster than men.
1k
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11