Women rate men more attractive if other women are looking and smiling at him.
17
2% of Europeans lack the genes for smelly armpits.
6
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
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
47% of people have a nightmare at least once a month.
186
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
In a year, the average person walks four miles to make his or her bed.
56