Thrity-five percent of the people who use personal ads for dating are already married.
102
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
Humans blink over 10,000,000 times a year!
97
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9