There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
47% of people have a nightmare at least once a month.
186
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
The average woman uses her height in lipstick every 5 years.
146
Humans blink over 10,000,000 times a year!
97
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Infants spend more time dreaming than adults do.
102
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8