Camouflage

Animal colourations and the patterns they generate provide some of the best examples of evolution by natural selection. One of the most studied aspects has been camouflage.

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colourblind vision

Why do colourblind people see colours differently?

Colourblind people see colours differently because they do not have all the necessary information from the L, M and S cones. A simile would be to try to obtain different paint colours by mixing only two primary colours: we would never be able to obtain the full range of existing colours.

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color iris ojos

Why do some people have different colour irises or an iris section of a different colour?

María Violeta Gómez Vicente, PhD in biochemistry and professor at the Department of Optics, Pharmacology, and Anatomy of the University of Alacant writes about the phenomenon of heterochromia.

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Why do wet materials become darker?

When a material gets wet, we see it with a darker colour. Professor Inmaculada Pascual Villalobos explains why.

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mar blava

Why is the sea blue?

When a large quantity of water is observed, as happens in the sea, we notice a blue color that can vary depending on the mass of water we are observing. Professor Inmaculada Pascual Villalobos explains why.

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