Yawns are more contagious among people with closer relationships.
163
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
Only 2% of the Earth's population are natural redheads.
13
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
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20