2% of Europeans lack the genes for smelly armpits.
6
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Most people smile when they are frustrated, according to a study.
15
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Women have a slightly higher average IQ than men.
164
The world's tallest man reached 8 feet 11 inches at 21.
202