People sometimes try to sense if a person is gay or straight by just looking at their photo for fun.

Well, with new advancements in technology, sexual preference guessing will be a thing in the past.

Researchers from Harvard University invented an Artificial Intelligence that can accurately guess whether a person is gay or straight just by scanning his/her face.

They found out that a computer algorithm could distinguish between gay and straight men 81% of the time and 74% for women. When the AI is given 5 photos of the same person, the accuracy increased even more.

Based on the research, gay men and women tend to have gender-atypical features, expressions and grooming styles. It means that gay men appear more feminine and visa versa.

The data also identified certain trends, including that gay men have narrower jaws, longer noses and larger foreheads than straight men, and that gay women have larger jaws and smaller foreheads compared to straight women.

Researchers Michal Kosinski and Yilun Wang trained the AI using pictures of 36,630 men and 38,593 women publicly available on an online dating site. From there, they compiled the data set and extracted facial features using deep neural networks to sort the images.

The most interesting part of this study is the “strong support” in the theory that sexual orientation stems from exposure to specific hormones before birth. Or, to put it simply, some people are indeed born gay.

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