The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
95% of people feel uncomfortable when the TV volume is an odd number.
392
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
On average, men's noses are 10% larger than women's.
12
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
The average American consumes 9 pounds of food additives every year.
6