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
Men fall in love faster than women do.
32
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
On average, men's noses are 10% larger than women's.
12
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
Only about 2% of the world population has green eyes.
36
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104