Pas García

Fighting gender bias at the speed of light

Full Professor of Physics Pas García takes a gendered approach to her field, which involves the diffraction and polarisation of light. She points out that women in physics represent only around 20–22% of researchers.


Why can we not see colours at night?

Human eyes cannot perceive colours at night because cones, responsible for colour perception, are only activated under intense light conditions.

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.

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.


Why do our eyes turn red?

There are numerous causes for eye redness, and many of them are not serious. Begoña Domenech Amigot, professor of the Department of Optics, Pharmacology, and Anatomy of the University of Alacant, explains.


What is the function of the white of the eye?

The sclera, known for its color as «the white part of the eye», is an opaque, resistant, and fibrous membrane that covers part of the eyeball, giving it shape and protecting its interior.