A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
People who are lying to you tend to look up and to the left (their left).
178
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46