What determines the colour of blue eyes? And when, and why, did they evolve?
Blue eyes have been around for at least 7,000 years but we still don
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Evolution of the Eye
What is the evolutionary advantage of different eye colors? - Quora
DNA suggests 10,000-year-old Brit had dark skin, blue eyes
Why Did Blue Eyes Evolve?, Resource Center
Science - ABC News
Making sense of our evolution
Scientists have drawn on nearly 1,000 brain scans to confirm what many had surely concluded long ago: that stark differences exist in the wiring of male and female brains. : r/science
What colour are your eyes? Teaching the genetics of eye colour
Jane Elliott's Brown Eyes vs. Blue Eyes Experiment - Lesson
How Do We See Light?
Strange Planet' Review: An Alien's Guide to Being Human - The New
Stone Age Europeans had dark skin and blue eyes, Spanish researchers say - ABC News
Your DNA Can Now Be Pulled From Thin Air. Privacy Experts Are
Blue Eyes: Prevalence, Advantages, and Disadvantages