Why we find babies so cute? it’s mostly because of their size small and helpless things trigger an instinct to nurture and protect which helps our species survive. There are other traits and babies that are brain for whatever reason finds adorable.
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They have a disproportionate head to body size and short limbs. In fact, if babies were proportioned more like many adults we probably wouldn’t be as inclined to coo at them. They also have flatter more rounded faces and off-course smooth hairless skin.
Aging into childhood at lessons, young adulthood and finally full-on adult mode means the loss of these cute features our faces become more angular.
The bridge of our nose becomes more defined and we lose our pinch able pudgy nuts. As our muscles take on more definition in our long limbs.
East Asians People that is Japanese, Chinese, Korean, Vietnamese, Thai, Taiwanese and Singaporean. Few tend to hold on to these features into adulthood a phenomenon called neotney.
Studies that found Neotney faces are often perceived as more social and feminine where as non neotney faces are seen as more intimidating.
Neoteny is prominent among East Asians ethnicities because of a mutation that first appeared around 35,000 years ago, in the gene known as Edar gene. Edar gene controls the development of our hair Skin and teeth.
This mutation causes people to have thicker hair shafts, more oil glands (which helps keep skin looking youthful for longer and less breast tissue in females.
Over a thousands of years preference to choose mates
that exhibit features has resulted in a much higher number of people with them.
So basically about 93% of Han Chinese people,
70 % of Japanese and Thai people, and 75% of Native Americans carry this variation of the ER gene.