It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
91% of Americans eat turkey on Thanksgiving.
197
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
40% of people who are rejected in romantic love slip into clinical depression.
72
People who are lying to you tend to look up and to the left (their left).
178
You share your birthday with at least 9 other million people in the world.
201