The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12
2% of Europeans lack the genes for smelly armpits.
6
Parrot parents "name" their children with a signature call.
112
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
A dairy cow can produce more milk when listening to music.
446