You will experience the billionth second of your life when you are 31 years old.
21
Roughly a quarter of the world's people live in China.
50
People in parts of Western China put salt in their tea instead of sugar.
16
You can only remember 4 things at a time.
31
Only about 2% of the world population has green eyes.
36
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
90% of people sit at their computer desk slouching, supporting their head with their left hand.
41
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15