Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
Only about 2% of the world population has green eyes.
36
You can only remember 4 things at a time.
31