Each person lives in this world have an unique face, but somewhere some people who is not even our blood relation having their facial features similar with our facial features. That type of people are known as Doppelgangers.
Atleast once in our lifetime, somebody tells us that they saw a person "just like us". The person having similar facecut, nose, eyes or somehow their actions might familiar with another person.
For a perfect matching of doppelganger, it should be satisfied the following rule, all eight features matches perfectly. But researches explained that the probability of existance of doppelganger having atleast one same feature is one in 135 pairs. If all the eight features of a person matches perfectly with another person, this possibility exists one in a trillion.
Michael Sheehan, assistant professor of neurobiology specialized in Behavioural ecology completed his research and found that, unlike other species humans have use their sight to identify and differentiate. They play a major role in social interactions and recognizing the features present in the face. They identified by the signal given by the brain, works as a software for face recognition.
Some of the Doppelgangers with odds
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