15 percent of Americans secretly bite their toes.
57
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
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
One in 500 humans has one blue eye and one brown eye.
145
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119