Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
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
Girls have more tastebuds than boys.
124
Men laugh longer, louder, and more often than women.
61
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234