Two in five people in the world marry their first love.
270
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The human body contains over a billion miles of DNA.
147
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
27-year-old Valeria Lukyanova from Ukraine looks so much like a girl’s doll that she has become world famous as the "Living Barbie".
25
Intelligent people have more zinc and copper in their hair.
233
Group "brainstorming" makes each individual in the group less creative and doesn't work as efficiently as the same number of people working alone and then later pooling their ideas.
10
40% of people who are rejected in romantic love slip into clinical depression.
72