If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Yawns are more contagious among people with closer relationships.
163
Girls have more tastebuds than boys.
124
47% of people have a nightmare at least once a month.
186
More redheads are born in Scotland than in any other part of the world.
85
About 3000 years ago, most Egyptians died by the time they were 30!
18