People in parts of Western China put salt in their tea instead of sugar.
16
Yawns are more contagious among people with closer relationships.
163
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
95% of people feel uncomfortable when the TV volume is an odd number.
392
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Children's sense of smell is better than adults'.
860
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234