Every three seconds, a new baby is born.
122
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
You will experience the billionth second of your life when you are 31 years old.
21
Most people smile when they are frustrated, according to a study.
15
Babies cry but they don't produce tears until one to three months after birth.
238
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Intelligent people have more zinc and copper in their hair.
233
People in parts of Western China put salt in their tea instead of sugar.
16