this post was submitted on 08 Jan 2024
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Today I Learned (TIL)

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TIL about Tetrachromacy, a condition which lets you see more colors. Normal people can see about 1 million colors, while tetrachromats may see up to 100 million. Up to 12% of women may have it. (www.healthline.com)
submitted 10 months ago by garfaagel to c/[email protected]
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[–] [email protected] 8 points 10 months ago

It's a fourth cone in the eyes. Interesting that the brain just rolls with it being present. Something similar was done to give squirrel monkeys the missing cone they need to see red: https://www.nationalgeographic.com/science/article/gene-therapy-gives-full-colour-vision-to-colour-blind-monkeys