This week scientists decided to test a hypothesis that any man, woman, child or beast could predict: weather or not a woman's hotness would make a man less likely to "do it" sans latex, even if they suspected she had an STI.

In a survey published in BMJ, scientists showed 51 hetero dudes aged 19-61 pictures of women's faces and asked them to rate each one on the four most important factors about a woman:

Sources: h/t ars technica