Why do babies all have blue eyes?

Ibaby1t’s the same stuff that makes us tan when we go in the sun-a pigment in our skin and eye balls called melanin. The amount of melanin just keeps getting bigger. The more melanin, the darker our hair, eyes and skin are. If there is only a tiny amount in the colourful parts of our eyes, our eyes look blue, whereas a lot makes our irises brown. We keep changing eye colour until we’re two years old!

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