90% of people worldwide are brown-eyed1
What do people associate with brown eyes?2
34% | intelligence
16% | trustworthiness
6% | shyness
4% | creativity
The gene "bey2" is responsible for brown eyes in addition to blue and gray eyes4
1) Meier, Dirk, Our number of the week, Netzoptiker.de, 2010
2) CyberPulse/Impulse Research Corp., survey commissioned by CIBA Vision, women aged 16 to 35, 2002
3) Lucy Media, Celebrities by eye color, Lucywho.com, 2014
4) Swiss National Science Foundation, Gene-ABC, 2014
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