Roughly a quarter of the world's people live in China.
50
Someone on Earth reports seeing a UFO every three minutes.
180
Babies cry but they don't produce tears until one to three months after birth.
238
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
Every three seconds, a new baby is born.
122
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 Japanese commonly put ketchup on their rice.
16
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11