Cells in your eyes that help your sleep

Your eyes are very much involved in your sleep patterns – way beyond the physical involvement of opening and closing your eyelids. Rods are cells in our eyes basically detecting light. Our brain and … [Read more...]

Artificial night illumination and cancer

We who live in developed countries live in a world of artificial lights which light up our world at any time of the day. Isn't it convenient to have light at the push of a button, at the flick of a … [Read more...]